Month: November 2022

C(sp³)-H Bond Arylation and Amidation of Si-Bound Methyl Group via Directing Group Strategy was written by Han, Jie-Lian;Qin, Ying;Zhao, Dongbing. And the article was included in ACS Catalysis in 2019.Synthetic Route of C17H18F3IO3S The following contents are mentioned in the article:

Silylmethyl functionalization provides a general and efficient access to diverse organosilanes. The traditional methods for silylmethyl functionalization often involved silylmethylmetals or silylmethyl halides. In recent years, a C-H activation strategy has become one of the most attractive alternatives in organic synthesis. Authors envisioned that the attachment of a coordinating group at silicon of methylsilanes provides the opportunity to modify the silylmethyl group via directed C-H bond functionalization. However, despite employment of silicon tethers bearing a directing group (DG) for C(sp²)-H functionalization has been well established due to the fact that the silicon tethers are easily installable and removable/modifiable, applying this concept toward C(sp³)-H functionalization remains underdeveloped. Herein, authors successfully developed Ir^III/Rh^III-catalyzed C-H bond arylation/amidation of silyl Me group by using directing group strategy, which constitutes the most powerful access to benzylsilanes and amino-substituted silanes. Moreover, they demonstrated that the pyridine directing group on silicon atom can be easily removed, and the starting materials can also be efficiently recovered, which are different from those of pyridine-directed C-H functionalization of C-bound Me group. This study involved multiple reactions and reactants, such as Mesityl(p-tolyl)iodonium trifluoromethanesulfonate (cas: 1204518-02-4Synthetic Route of C17H18F3IO3S).

Mesityl(p-tolyl)iodonium trifluoromethanesulfonate (cas: 1204518-02-4) belongs to iodide derivatives. In addition to tryptophan, indigo, and indoleacetic acid, numerous compounds obtainable from plant or animal sources contain the indole molecular structure. More than 200 indole derivatives have already been marketed as drugs or are under advanced stages of clinical trials.Synthetic Route of C17H18F3IO3S

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

A convenient alumination of functionalized aromatics by using the frustrated Lewis pair Et₃Al and TMPMgCl-LiCl was written by Unsinn, Andreas;Wunderlich, Stefan H.;Jana, Anukul;Karaghiosoff, Konstantin;Knochel, Paul. And the article was included in Chemistry – A European Journal in 2013.Recommanded Product: 371764-70-4 The following contents are mentioned in the article:

A straightforward and efficient alumination of functionalized arenes, in particular, halogenated electron-rich aromatic compounds, with Et₃Al and stoichiometric amounts of frustrated Lewis pair TMPMgCl-LiCl (TMP = 2,2,6,6-tetramethylpiperidyl) as a co-reactant, has been developed. In particular, halogenated electron-rich aromatics can be smoothly functionalized by using the frustrated Lewis pair Et₃Al and TMPMgCl-LiCl. Compared with previously described alumination methods, this procedure avoids extensive cooling and the need for an excess of base. This in situ procedure has proven to be most practical and allows for regio- and chemoselective metalation of a wide range of aromatics with sensitive functional groups (CONEt₂, CO₂Me, CN, OCONMe₂) or halogens (F, Cl, Br, I). The resulting aromatic aluminates, which were characterized by using NMR spectroscopy, were subjected to allylations, acylations, and palladium-catalyzed cross-coupling reactions after transmetalation to zinc. It was shown that the nature of the Zn salt used for transmetalation is crucial. Thus, compared with ZnCl₂ (2 equiv), the use of Zn(OPiv)₂ (2 equiv; OPiv=pivalate) allows the subsequent quenching reactions to be performed with only a slight excess of electrophile (1.2 equiv) and provides interesting functionalized aromatics in good yields. This study involved multiple reactions and reactants, such as 2-Chloro-4-iodobenzonitrile (cas: 371764-70-4Recommanded Product: 371764-70-4).

2-Chloro-4-iodobenzonitrile (cas: 371764-70-4) belongs to iodide derivatives. Indole produced by Proteus, Pseudomonas, Escherichia and other species was shown to be a growth promoting factor in Arabidopsis thaliana. Indole plays a fundamental role for QS in E. coli, being one of the signal molecules responsible for the transcription of a variety of genes (gabT, and tnaB ASTD). Recommanded Product: 371764-70-4

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

A convenient N-arylation route for electron-deficient pyridines: The case of π-extended electrochromic phosphaviologens was written by Reus, Christian;Stolar, Monika;Vanderkley, Jeffrey;Nebauer, Johannes;Baumgartner, Thomas. And the article was included in Journal of the American Chemical Society in 2015.Product Details of 139139-80-3 The following contents are mentioned in the article:

A simple and representative procedure for the synthesis of N,N’-diarylated phosphaviologens directly from both electron-rich and electron-poor diaryliodonium salts and 2,7-diazadibenzophosphole oxide is reported. The latter are electron-deficient congeners of the widely utilized N,N’-disubstituted 4,4′-bipyridinium cations, also known as viologens, that proved to be inaccessible by the classical two-step route. The single-step preparation method for phosphaviologens described herein could be extended to genuine viologens but reached its limit when sterically demanding diaryliodonium salts were used. The studied phosphaviologens feature a significantly lowered reduction threshold as compared to all other (phospha)viologens known to date due to the combination of an extended π-system with an electron deficient phosphole core. In addition, a considerably smaller HOMO-LUMO gap was observed due to efficient π-delocalization across the phosphaviologen core, as well as the N-aryl substituents, which was corroborated by quantum chem. calculations Detailed characterizations of the singly reduced radical species by EPR spectroscopy and DFT calculations verified delocalization of the radical over the extended π-system. Finally, to gain deeper insight into the suitability of the new compounds as electroactive and electrochromic materials, multicolored proof-of-concept electrochromic devices were manufactured This study involved multiple reactions and reactants, such as Bis(2,4,6-trimethylphenyl)iodonium triflate (cas: 139139-80-3Product Details of 139139-80-3).

Bis(2,4,6-trimethylphenyl)iodonium triflate (cas: 139139-80-3) belongs to iodide derivatives. Indole is an important structural motif of various drugs, therapeutic leads besides its prevalence in numerous natural products, agrochemicals, perfumery, and dyes. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Product Details of 139139-80-3

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthesis of ring- and side-chain-substituted m-iodobenzylguanidine analogues was written by Vaidyanathan, Ganesan;Shankar, Sriram;Zalutsky, Michael R.. And the article was included in Bioconjugate Chemistry in 2001.Electric Literature of C7H8INO The following contents are mentioned in the article:

With the goal of developing m-iodobenzylguanidine (MIBG) analogs with improved targeting properties especially for oncol. applications, several radioiodinated ring- and side-chain-substituted MIBG analogs were synthesized. Except for 3-[¹³¹I]iodo-4-nitrobenzylguanidine (I) and N-hydroxy-3-[¹³¹I]iodobenzylguanidine (II), the radioiodinated analogs were prepared at no-carrier-added levels from their resp. tin precursors. The radiochem. yields generally were in the range of 70-90% except for 3-amino-5-[¹³¹I]iodobenzylguanidine for which a radiochem. yield of about 40% was obtained. While the silicon precursor N¹,N²-bis(tert-butyloxycarbonyl)-N¹-(4-nitro-3-trimethylsilylbenzyl)guanidine did not yield 3-[¹³¹I]iodo-4-nitrobenzylguanidine, its deprotected derivative, N¹-(4-nitro-3-trimethylsilylbenzyl)guanidine was radioiodinated in a modest yield of 20% providing 3-[¹³¹I]iodo-4-nitrobenzylguanidine. Exchange radioiodination of 3-iodo-4-nitrobenzylguanidine gave 3-[¹³¹I]iodo-4-nitrobenzylguanidine in 80% radiochem. yield. No-carrier-added [¹³¹I]NHIBG (III) was prepared from its silicon precursor N¹-hydroxy-N³-(3-trimethylsilylbenzyl)guanidine in 85% radiochem. yield. The paired-label tissue uptake of ¹²⁵I and ¹³¹I activity after injection of [¹²⁵I]MIBG, I, II, and III is provided. This study involved multiple reactions and reactants, such as (3-Amino-5-iodophenyl)methanol (cas: 368435-46-5Electric Literature of C7H8INO).

(3-Amino-5-iodophenyl)methanol (cas: 368435-46-5) belongs to iodide derivatives. The indole subunit is an almost ubiquitous component of biologically active natural products, and its study has been the focus of research for decades. Moreover, it is known that it controls biofilm formation. However, the role of indole in the cell has not been fully elucidated.Electric Literature of C7H8INO

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Substitution products of 4-nitro- and 4-acetamidodiphenyl ether was written by Scarborough, Harold A.. And the article was included in Journal of the Chemical Society in 1929.Name: 1-Iodo-4-(4-nitrophenoxy)benzene The following contents are mentioned in the article:

4-ClC₆H₄OC₆H₄NO₂-4 (I), m. 76°, results from 4-O₂NC₆H₄OPh (II) and Cl in AcOH or from p-O₂NC₆H₄Cl and p-ClC₆H₄OK; the 4-Br derivative (III), m. 61°, was prepd, similarly. 4-NO₂CdH₄OPh and ICl in AcOH give 4-iodo-4′-nitrodiphenyl ether (IV), pale yellow, m. 71°; Cl precipitates a stable iodochloride, yellow. II or III in dry Br or p-ClC₆H₄NO₂ and 2,4-Br₂C₆H₃OK give 2,4-dibromo-4′-nitrodiphenyl ether, m. 81°. Reduction of II in EtOH- or Et₂O-HCl with SnCl₂ gives 4-aminodiphenyl ether-HCl, m. 238°; the Ac derivative, m. 127°. Reduction of I gives the NH₂ derivative, m. 101°, whose Ac derivative (V), m. 146°. Nitration of V gives the 3-NO₂ derivative, yellow, m. 98°; hydrolysis gives 4′-chloro-3-nitro-4-aminodiphenyl ether, m. 114°; deamination gives 4′-chloro-3-nitrodiphenyl ether, yellow, m. 60°. 4-Bromo-4′-acetaminodiphenyl ether, m. 161°; nitration gives 4′-bromo-3-nitro-4-acetaminodiphenyl ether, yellow, m. 107°; hydrolysis gives the free NH₂ derivative, scarlet, m. 144°; deamination gives 4′-bromo-3-nitrodiphenyl ether, yellow, m. 64°. 4-Iodo-4′-aminodiphenyl ether, m. 91°; Ac deriv; m. 174°. 4′-Iodo-3-nitro-4-acetaminodiphenyl ether, yellow, m. 123°; hydrolysis gives the free NH₂ derivative, scarlet, m. 155°. 3-Nitro-4-aminodiphenyl ether, bright red, m. 82°; Ac derivative, deep yellow, m. 100°. 2,4-Dibromo-4′-acetaminodiphenyl ether, m. 158°; 3′-NO₂ derivative, yellow, m. 141°; the free NH₂ derivative, yellow, m. 107°; deamination gives 2,4-dibromo-3′-nitrodiphenyl ether, orange, m. 72°. 4-Iododiphenyl ether, m. 48°; dichloride, yellow. 4-Bromo-4′-iododiphenyl ether, m. 72°. 4,4′-Diiododiphenyl ether, m. 139°. This study involved multiple reactions and reactants, such as 1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1Name: 1-Iodo-4-(4-nitrophenoxy)benzene).

1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1) belongs to iodide derivatives. Indole could be stereoselectively alkylated with chiral cyclopentyl sulfone reagent. More than 200 indole derivatives have already been marketed as drugs or are under advanced stages of clinical trials.Name: 1-Iodo-4-(4-nitrophenoxy)benzene

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

High performance volatile polymeric memory devices based on novel triphenylamine-based polyimides containing mono- or dual-mediated phenoxy linkages was written by Kuorosawa, Tadanori;Chueh, Chu-Chen;Liu, Cheng-Liang;Higashihara, Tomoya;Ueda, Mitsuru;Chen, Wen-Chang. And the article was included in Macromolecules (Washington, DC, United States) in 2010.Recommanded Product: 1-Iodo-4-(4-nitrophenoxy)benzene The following contents are mentioned in the article:

Two novel functional polyimides (PIs), PI(AAPT-TPA) and PI(APT-TPA), consisting of electron-donating 4-amino-4′-(p-aminophenoxy)-triphenylamine (AAPT) or 4,4′-bis(p-aminophenoxy)-triphenylamine (APT) and electron-accepting phthalimide moieties, were prepared for the memory device applications. The TPA moieties as electron donor are expected to enhance the electron donating and charge transport ability with phthalimide moieties (electron acceptor). The monophenoxy linkage PI(AAPT-TPA) had a higher T_g and a lower band gap than the dual-phenoxy linkage PI(APT-TPA). It suggested the more rigid backbone of the former and led to different memory characteristics. The memory devices with the configuration of ITO/PI/Al exhibited two conductivity states and could be swept pos. or neg. with a high ON/OFF current ratio of 10⁸-10⁹. The PI(AAPT-6FDA) device relaxed from the ON state to the OFF state quickly after the applied voltages was removed, whereas the ON state of the PI(APT-6FDA) device could remain for around 4 min after the power was turned off. Probably dynamic random access memory (DRAM) was exhibited for the PI(AAPT-6FDA) device and static random access memory (SRAM) was for the PI(APT-6FDA) device. The volatile memory characteristics were probably attributed to the unstable charge transfer (CT) complex based on the weak theor. dipole moments of the studied PIs. The dual-mediated phenoxy linkage of PI(APT-6FDA) led to the more twisted conformation compared to the monosubstituted PI(AAPT-6FDA) based on the theor. anal. by the d. functional theory (DFT) method. It thus produced a potential barrier for delaying the back CT process by the elec. field and explained the SRAM characteristic. The present study suggested the importance of the TPA structure for the memory characteristics. The fast switching and high ON/OFF characteristics also indicated the new TPA based polyimides for advanced memory technol. This study involved multiple reactions and reactants, such as 1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1Recommanded Product: 1-Iodo-4-(4-nitrophenoxy)benzene).

1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1) belongs to iodide derivatives. Indole produced by Proteus, Pseudomonas, Escherichia and other species was shown to be a growth promoting factor in Arabidopsis thaliana.Indole was synthesized in moderate yield via an o-naphthoquinone catalyzed tandem cross-coupling of substituted aniline and benzylamine under aerobic oxidation conditions.Recommanded Product: 1-Iodo-4-(4-nitrophenoxy)benzene

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Preparation of some halonaphthylamines, dihalonaphthalenes, 2-bromo-1-naphthol and related derivatives was written by Hodgson, Herbert H.;Hathway, David E.. And the article was included in Journal of the Chemical Society in 1944.Safety of 2-Bromo-1-iodonaphthalene The following contents are mentioned in the article:

The halonitro compound (5 g.) was refluxed with 10 g. Fe dust and 100 cc. H₂O containing FeSO₄ or Fe(NH₄)₂(SO₄)₂ for 1.5 h. and the mixture steamdistd. or extracted with a solvent. 2-Chlorobenzo-1′-naphthalide (Schotten-Bauman reaction in Me₂CO), m. 158°. 2-Bromo-1-naphthylamine (4.1 g.), m. 65° (Bz derivative, m. 179°; Ac derivative, m. 198°). 2-Iodo-1-naphthylamine, very pale straw, m. 85°; volatility in steam, 0.8 g./l.; HCl salt, needles; Ac derivative, m. about 230°, decomposes on attempted recrystallization; Bz derivative, m. 212°. 3,1-O₂NC₁₀H₆NH₂ (I) and o-C₆H₄(CO)₂O in tetralin, refluxed 2 h., give the 1-phthalimido compound, m. above 300°; 1-succinimido compound, m. above 300°. I (1.5 g.) and 4 g. p-MeC₆H₄SO₂Cl, heated with 30 cc. H₂O and 7 cc. Me₂CO on the water bath for 2 h. (with addition of Na₂CO₃ to keep the mixture alk.) and the product extracted with 4% aqueous NaOH at 100° for 30 min., give 2.5 g. of the N, N-bis(p-tolylsulfonyl) derivative, pale buff, m. 257°. The Ac derivative of I, refluxed 4 h. with AcCl and Ac₂O, gives the N,N-di-Ac derivative, m. 145°; the N,N-di-Bz derivative, yellow, m. 205°. The diazonium sulfate from I and alk. 2-C₁₀H₇OH give (3-nitro-1-naphthylazo)-2-naphthol, maroon, m. 215°; concentrated H₂SO₄ gives a deep purple color, changing to scarlet on dilution 4-Chlorobenzo-2′-naphthalide, m. 135°; Br analog, buff, m. 142°. 2,1-BrC₁₀H₆NH₂, through the diazo reaction, gives 2-bromo-1-iodonaphthalene, pale flesh-colored, m. 65°; addition of the diazo solution to boiling 50% aqueous H₂SO₄ gives 2-bromo-1-naphthol, m. 45°. 4-Phenylazo-2-bromo-1-naphthol, red, m. 150°; the purple solution in concentrated H₂SO₄ turns scarlet on dilution 1-Chloro-3-bromonaphthalene, m. 60°; 3-iodo analog, m. 58°; 3-chloro-1-bromonaphthalene, m. 56°; 1-bromo-3-iodonaphthalene, m. 65°; 1,3-diiodonaphthalene, m. 76°. This study involved multiple reactions and reactants, such as 2-Bromo-1-iodonaphthalene (cas: 676267-05-3Safety of 2-Bromo-1-iodonaphthalene).

2-Bromo-1-iodonaphthalene (cas: 676267-05-3) belongs to iodide derivatives. Indole is an important structural motif of various drugs, therapeutic leads besides its prevalence in numerous natural products, agrochemicals, perfumery, and dyes. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Safety of 2-Bromo-1-iodonaphthalene

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Lewis Acidity Scale of Diaryliodonium Ions toward Oxygen, Nitrogen, and Halogen Lewis Bases was written by Mayer, Robert J.;Ofial, Armin R.;Mayr, Herbert;Legault, Claude Y.. And the article was included in Journal of the American Chemical Society in 2020.Recommanded Product: Bis(2,4,6-trimethylphenyl)iodonium triflate The following contents are mentioned in the article:

Equilibrium constants for the associations of 17 diaryliodonium salts Ar₂I⁺X^– with 11 different Lewis bases (halide ions, carboxylates, p-nitrophenolate, amines, and tris(p-anisyl)phosphine) have been investigated by titrations followed by photometric or conductometric methods as well as by isothermal titration calorimetry (ITC) in acetonitrile at 20°C. The resulting set of equilibrium constants K_I covers 6 orders of magnitude and can be expressed by the linear free-energy relationship lg K_I = s_I LA_I + LB_I, which characterizes iodonium ions by the Lewis acidity parameter LA_I, as well as the iodonium-specific affinities of Lewis bases by the Lewis basicity parameter LB_I and the susceptibility s_I. Least squares minimization with the definition LA_I = 0 for Ph₂I⁺ and s_I = 1.00 for the benzoate ion provides Lewis acidities LA_I for 17 iodonium ions and Lewis basicities LB_I and s_I for 10 Lewis bases. The lack of a general correlation between the Lewis basicities LB_I (with respect to Ar₂I⁺) and LB (with respect to Ar₂CH⁺) indicates that different factors control the thermodn. of Lewis adduct formation for iodonium ions and carbenium ions. Anal. of temperature-dependent equilibrium measurements as well as ITC experiments reveal a large entropic contribution to the observed Gibbs reaction energies for the Lewis adduct formations from iodonium ions and Lewis bases originating from solvation effects. The kinetics of the benzoate transfer from the bis(4-dimethylamino)-substituted benzhydryl benzoate Ar₂CH-OBz to the phenyl(perfluorophenyl)iodonium ion was found to follow a first-order rate law. The first-order rate constant k_obs was not affected by the concentration of Ph(C₆F₅)I⁺ indicating that the benzoate release from Ar₂CH-OBz proceeds via an unassisted S_N1-type mechanism followed by interception of the released benzoate ions by Ph(C₆F₅)I⁺ ions. This study involved multiple reactions and reactants, such as Bis(2,4,6-trimethylphenyl)iodonium triflate (cas: 139139-80-3Recommanded Product: Bis(2,4,6-trimethylphenyl)iodonium triflate).

Bis(2,4,6-trimethylphenyl)iodonium triflate (cas: 139139-80-3) belongs to iodide derivatives. Indole, first isolated in 1866, and it is commonly synthesized from phenylhydrazine and pyruvic acid, although several other procedures have been discovered. Due to this activity, the indole ring system has become an important component or intermediate in the synthesis of heterocycles.Recommanded Product: Bis(2,4,6-trimethylphenyl)iodonium triflate

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Iodo derivatives of diphenyl ether. I. The mono- and certain diiodo derivatives of diphenyl ether and of 2- and 4-carboxydiphenyl ethers was written by Brewster, R. Q.;Strain, Franklin. And the article was included in Journal of the American Chemical Society in 1934.Electric Literature of C12H8INO3 The following contents are mentioned in the article:

Most of the following compounds were prepared by standard methods. 2-IC₆H₄OPh, m. 56°; 3-I isomer, b₃ 155°, b₂₀ 194-6°, d²⁵ 1.616, n²⁵ 1.643; 4-I isomer, m. 47°; 2-iodo-4′-nitro derivative, m. 104°; 4-I isomer, m. 70°; 2-iodo-4′-amino derivative, m. 69° (Ac derivative, m. 150°); 2-IC₆H₄OC₆H₄I-4, m. 48°; 2-nitro-4′-iododiphenyl ether, m. 86° (constitution proved for 1st time); 3,4′-dinitrodiphenyl ether, m. 123°; 3,4′-diamino derivative, m. 72° (di-Ac derivative, m. 192°); 3,4′-diiododiphenyl ether, b₃ 200°, d²⁵ 2.051, n²⁵ 1.696; 4-phenoxyphenylurethane, m. 63°; 4-iodophenoxy derivative, m. 126°; 4-(4-iodophenoxy)-phenylurea, m. 201°; (4-IC₆H₄)₂O, m. 139°; 2-amino-4-nitrodiphenyl ether, m. 107°; 2-I derivative, m. 61°; 2-iodo-4-amino derivative, b₃ 203°, d²⁵ 1.667, n²⁵ 1.677 (Ac derivative, m. 120°); 2,4-diiododiphenyl ether, b₃ 198°, d²⁵ 2.056, n²⁵ 1.700; 3-nitro-4-aminodiphenyl ether, m. 82°; 3,4-diamino derivative, m. 69° (di-Ac derivative, m. 188°); 3-nitro-4-iodo derivative, b₃ 195°, d²⁵ 1.722, n²⁵ 1.657; 3-amino derivative, b₃ 188°, d²⁵ 1.664, n²⁵ 1.676 (Ac derivative, m. 144°); 3,4-di-I derivative, b₃ 208°, d²⁵ 2.055, n_D²⁵ 1.700; o-ClC₆H₄CO₂H, PhOH, NaOH and a little Cu, heated at 190° for 15 min. give 2-PhOC₆H₄CO₂H; p-ClC₆H₄NO₂ and o-KOC₆H₄CHO, heated 6 h. at 190-200°, give 2-(4-nitrophenoxy)benzaldehyde, m. 112°; oxidation of the aldehyde or nitration of 2-PhOC₆H₄CO₂H gives the corresponding acid, m. 157°; 4-amino derivative, m. 180° (Ac derivative, m. 185°); 4-I derivative, m. 143°; heating the latter with concentrated H₂SO₄ at 100° for 10 min. gives 2-iodoxanthone, m. 156°. 2-Phenoxy-5-aminobenzoic acid, m. 164° (Ac derivative, m. 165°); 5-I derivative, m. 148°. 2-(2-Nitrophenoxy)benzaldehyde, m. 77°; the acid m. 153°; 4-nitroxanthone, m. 190°; 2-(2-aminophenoxy)benzoic acid, m. 153° (Ac derivative, m. 179°); the lactam m. 211°. 2-(2-Iodophenoxy)benzoic acid, m. 133°; the 4-(4-iodophenoxy) derivative m. 217°; 2-(4-iodophenoxy)-5-nitrobenzoic acid, m. 178°; the 5-amino derivative m. 185°; 2-(4-nitrophenoxy)-5-nitrobenzoic acid, the α-form m. 158° and the β-form. m. 170-1°; the α-form is converted into the β-form above its m. p.; 2-(4-iodophenoxy)-5-iodobenzoic acid, m. 176°. These compounds, with the possible exception of the iodocarboxy compounds, do not possess any marked physiol. activity. This study involved multiple reactions and reactants, such as 1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1Electric Literature of C12H8INO3).

1-Iodo-4-(4-nitrophenoxy)benzene (cas: 21969-05-1) belongs to iodide derivatives. Indole could be stereoselectively alkylated with chiral cyclopentyl sulfone reagent. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Electric Literature of C12H8INO3

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Intermediates in the synthesis of carboxyl-C¹⁴-labeled 3-hydroxyanthranilic acid was written by Ciereszko, Leon S.;Hankes, L. V.. And the article was included in Journal of the American Chemical Society in 1954.Recommanded Product: 725266-66-0 The following contents are mentioned in the article:

3,2-MeO(O₂N)C₆H₃CO₂H (I) (10 g.) and 15 g. SOCl₂ refluxed 1.5 h. on the water bath, the clear red solution dissolved in 50 cc. C₆H₆ and poured slowly and carefully with stirring into 200 cc. cold concentrated NH₄OH, the flask rinsed with 40 cc. Et₂O, the washings added to the NH₄OH solution, the mixture stirred 10 min., and the solid filtered off on a sintered glass funnel and washed successively with H₂O, EtOH, and Et₂O yielded 9.4 g. (94%) 3,2-MeO(O₂N)C₆H₃CONH₂ (II), colorless needles, m. 212°, very soluble in Me₂CO, but insoluble in H₂O, EtOH, Et₂O, and C₆H₆. It is recommended that the conversion of I to the acid chloride be carried out with SOCl₂ instead of PCl₅ which caused an explosion in one case. I (9.8 g.) in 200 cc. alk. 0.5N NaOCl stirred 3 h. at room temperature, the mixture filtered, the amber filtrate heated 0.5 h. at 80-90° and let stand overnight at room temperature, and the precipitate washed with H₂O and dried gave 7.5 g. (99%) 3,2-MeO(O₂N)C₆H₃NH₂ (III), bright yellow crystals, m. 124° (recrystallized from C₆H₆-ligroine, bright yellow needles, m. 124-4.5°). [The structure III had previously been assigned by Reverdin and Widmer (C.A. 8, 932) to a compound, m. 143°, obtained by the hydrolysis of 1 of the products isolated from a mixture produced by the nitration of m-MeOC₆H₄NHAc.] III (21 g.) in 300 cc. glacial AcOH treated gradually at 15° with 15 g. KNO₂ in 70 cc. ice-cold concentrated H₂SO₄, the resulting solution poured into 650 g. ice and H₂O, the mixture stirred 0.5 h., the excess HNO₂ destroyed with H₂NSO₃NH₄, the clear solution treated with 30 g. KI in 150 cc. H₂O, the mixture heated 1 h. on the water bath, and cooled, the liberated iodine removed with NaHSO₃, and the product filtered off, washed with H₂O, and dried gave 30.5 g. (88%) 3,2-MeO(O₂N)C₆H₃I (IV), reddish brown powder, m. 68-74°, which on short-path vacuum distillation gave pale yellow crystals, m. 81°. IV (2.7 g.) and 0.9 g. dry CuCN heated 2 h. at 180°, the mixture extracted with 25 cc. boiling C₆H₆, the extract diluted with 50 cc. ligroine, and the precipitate recrystallized from C₆H₆ and ligroine gave 3,2-MeO(O₂N)C₆H₃CN (V), white needles, m. 122°. IV (0.9 g.), 2.0 g. NaOH, 16 cc. H₂O, and 4 cc. EtOH refluxed 1.5 h. (evolution of NH₃), and the hot solution decolorized with C and acidified with HCl gave 1 g. I, m. 257°. This study involved multiple reactions and reactants, such as 1-Iodo-3-methoxy-2-nitrobenzene (cas: 725266-66-0Recommanded Product: 725266-66-0).

1-Iodo-3-methoxy-2-nitrobenzene (cas: 725266-66-0) belongs to iodide derivatives. In addition to tryptophan, indigo, and indoleacetic acid, numerous compounds obtainable from plant or animal sources contain the indole molecular structure. It is used in perfumery and in making tryptophan, an essential amino acid, and indoleacetic acid (heteroauxin), a hormone that promotes the development of roots in plant cuttings.Recommanded Product: 725266-66-0

Referemce:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com