Iodides-buliding-blocks

Related Products of 260558-15-4, The chemical industry reduces the impact on the environment during synthesis 260558-15-4, name is 4-Bromo-2-iodo-1-methylbenzene, I believe this compound will play a more active role in future production and life.

To a solution of 2-methyl-5-bromo-iodobenzene (12 g, 40.4 mmol) in tetrahydrofuran (75 ml), cooled to -78 C., was added a solution of isopropylmagnesium chloride (4.6 g, 44.5 mmol) in tetrahydrofuran (22.2 ml) dropwise over 20 minutes. After stirring at -78 C. for 30 minutes, the mixture was warmed slowly to -20 C. and stirred for 1 hour. After cooling again to -78 C., trimethylborate (8.4 g, 80.8 mmol) was added dropwise. After warming to 0 C., the mixture was stirred for 2 hours, treated with 1 M hydrochloric acid (35 ml), and extracted with ethyl acetate (2*50 ml). The combined extracts were washed with water (50 ml), dried over sodium sulfate, and concentrated under reduced pressure. The residual solid was suspended in hexane (50 ml), filtered, washed with hexane (30 ml) and dried under reduced pressure to provide 2-methyl-5-bromo-phenylboronic acid (7.32 g, 84% yield) as a white solid. 1H NMR (DMSO-d6) delta 7.92 (s, 1H), 7.46 (d, J=8.1 Hz, 1H), 7.13 (d, J=8.1 Hz, 1H), 2.59 (s, 3H).

In the field of chemistry, the synthetic routes of compounds are constantly being developed and updated. I will also mention this compound in other articles, 4-Bromo-2-iodo-1-methylbenzene, other downstream synthetic routes, hurry up and to see.

In the next few decades, the world population will flourish. As the population grows rapidly and people all over the world use more and more resources, all industries must consider their environmental impact. 69113-59-3, name is 3-Iodobenzonitrile belongs to iodides-buliding-blocks compound, it is a common compound, a new synthetic route is introduced below. Recommanded Product: 69113-59-3

The title compound (39 mg, 67.3 %, yellow solid) was obtained from [4- (5-] tributylstannanyl-isoxazol-3-ylmethyl)-piperazine-1-carboxylic acid ethyl ester (106 mg, 0.2 mmol) and Pd (PPh3) [2C12] (0.2 mg) with 3-iodobenzonitrile (38.9 mg, 0.17 mmol) in dioxane [(LML)] at [110 C OVEMIGHT. LH-NMR] (CDC13) 8 (ppm): [8.] 07 (s, 2H), 8.02 (d, 1H), 7.73 (d, 1H), 7.62 (t, lH) 6.68 (s, [1H),] 4.14 (q, 2H), 3.68 (s, 2H), 3.51 (m, 4H), 2.51 (m, 4H) and 1. 26 (t, 3H).

The synthetic route of 69113-59-3 has been constantly updated, and we look forward to future research findings.

In the chemical reaction process, reaction time, type of solvent, can easily affect the result of the reaction, thereby determining the yield and properties of the reaction product. An updated downstream synthesis route of 689291-89-2 as follows. Safety of 5-Bromo-2-iodobenzaldehyde

Intermediate 21; N-[(l£)-(5-bromo-2-iodophenyI)methylidene]-2-methyl-2- ropanamine; To a solution of 2-1, 4-Br benzaldehyde (2.0 g, 6.4 mmol) in anhydrous THF (10 mL) was added tert-butylamine (2.0 mL, 19.3 mmol) and the reaction stirred at room temperature under a nitrogen atmosphere for 4 days. The reaction was concentrated in vacuo and partitioned between dichloromethane and water. The organic layer was dried over anhydrous sodium sulfate and concentrated in vacuo to afford the desired compound as a pale yellow solid in quantitative yield.

According to the analysis of related databases, 689291-89-2, the application of this compound in the production field has become more and more popular.

Adding a certain compound to certain chemical reactions, such as: 2265-91-0, name is 1,3-Difluoro-5-iodobenzene, belongs to iodides-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 2265-91-0, Recommanded Product: 1,3-Difluoro-5-iodobenzene

To a stirred solution of 1 ,3-difluoro-5-iodobenzene (50.0 g, 208.3 mmol) in DMF (250 ml) was added portionwise MeSNa (14.6 g, 208.3 mmol). The reaction was heated at 150C for 1 h. Further MeSNa (1.5 g, 21 mmol) was added and the reaction was stirred at 150C for a further 30 min. The reaction mixture was allowed to cool to rt before being diluted with distilled water (250 ml) and then extracted five times with MTBE (5 x 150 ml). The combined organic layers were then washed three times with brine (3 x 150 ml). The organic layer was dried (MgS04), filtered and concentrated in vacuo to afford a yellow oil (61 g). This oil was combined with 54 g batch from another synthesis to give a combined total of 115 g (429 mmol). This was purified by silica column chromatography (n- heptane) to afford a colourless oil (84.18 g, 76 %). 1 H NMR (CDCI3; 400 MHz): d: 7.31 (s, 1 H), 7.18 (m, 1 H), 6.88 (m, 1 H), 2.45 (s, 3H).

If you are interested in these compounds, you can also browse my other articles.Thank you for taking the time to read this article. I hope you enjoyed it.

Reference:
Patent; BENEVOLENTAI BIO LIMITED; BROWN, Alan; GLEN, Angela; (115 pag.)WO2020/39209; (2020); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Related Products of 3930-83-4,Some common heterocyclic compound, 3930-83-4, name is 2-Iodobenzamide, molecular formula is C7H6INO, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

General procedure: A two-neck round bottom flask was charged with amagnetic stirrer, evacuated and backfilled with argon. 2-iodobenzamide ( 0.5mmol, 124 mg), aniline or alpha-substituted benzylamine (1.0 mmol), K2CO3(1.0 mmol, 138 mg) and CuBr2 (0.05mmol, 11 mg) in DMSO (5 mL) under argon atmosphere. The mixture was allowed tostir under argon atmosphere at 110 C for 4 h.The mixture was concentrated with the aid of a rotary evaporator, and theresidue was purified by column chromatography on silica gel using petroleumether/ethyl acetate (2:1) as eluent to provide the product 2-9.

These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 2-Iodobenzamide, its application will become more common.

Reference:
Article; Wang, Li-Xia; Hu, Ben-Quan; Xiang, Jun-Feng; Cui, Jie; Hao, Xiang; Liang, Tong-Ling; Tang, Ya-Lin; Tetrahedron; vol. 70; 45; (2014); p. 8588 – 8591;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Researchers who often do experiments know that organic synthesis is a process of preparing more complex target molecules from simple raw materials through one or more chemical reactions. Generally, it requires fewer steps, and cheap raw materials. 696-41-3, name is 3-Iodobenzaldehyde, A new synthetic method of this compound is introduced below., COA of Formula: C7H5IO

A 10 mL Schenk tube was dried in oven and loaded under N2 with K3PO4 (2.37 g,11.16 mmol) and DMA (2.0 mL). 3-iodobenzaldeide (1.85 g, 7.97 mmol) and n- butylacrylate (2.28 mL, 15.94 mmol) were then added by syringe. A solution of EPO Pd(OAc)2 (0.18 g, 0.797 mmol) in DMA (0.5 mL) was further added by syringe. The Schlenk tube was then sealed under nitrogen and placed in a pre-heated oil bath at 140 0C, and the reaction mixture was stirred for 24 h. After cooling to room temperature, the reaction mixture was poured in water (50 mL) and extracted with ethyl acetate (3 x 50 mL). The combined organic extracts were washed with brine, dried (Na2SO4), and concentrated under vacuum to dryness. The crude product was purified by chromatographic column on silica gel, eluting with n- hexane/ethylacetate/methanol 12/3/1 (yield: 47%). 1H NMR (CDCI3) delta: 0.91-0.96 (t, 3H, OCH2CH2CH2CH3), 1.39-1.42 (m, 2H, OCH2CH2CH2CH3), 1.65-1.68 (m, 2H, OCH2CH2CH2CH3), 4.17-4.21 (m, 2H, OCH2CH2CH2CH3), 6.48-6.53 (d, 1 H, ArCH=CHCO), 7.52-7.54 (m, 1 H, benzene H-5), 7.53-7.75 (m, 2H, ArCH=CHCO and benzene H-6), 7.84-7.86 (m, 1 H, benzene H-4), 7.99 (m, 1 H, benzene H-2), 10.01 (s, 1 H1 CHO).

The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.

Reference:
Patent; DAC S.R.L.; WO2006/37761; (2006); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Synthetic Route of 4387-36-4,Some common heterocyclic compound, 4387-36-4, name is 2-Iodobenzonitrile, molecular formula is C7H4IN, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

S1: The reaction formula of this step is as follows. The specific reaction operation is: at room temperature,Adding 100 mmol of the compound of the above formula (III) to an appropriate amount of the organic solvent N,N-dimethylacetamide (DMA),200 mmol of the compound of the above formula (IV), 0.4 mmol of palladium acetate,150 mmol of tetra-n-butylammonium bromide and 150 mmol of sodium carbonate,Then, the temperature was stirred to 120 ¡ã C, and the reaction was stirred at this temperature for 15 hours;After the reaction was completed, the reaction mixture was poured into a sufficient amount of ethyl acetate and then washed with saturated brine.The organic layer and the aqueous layer were separated, and the aqueous layer was sufficiently extracted with ethyl acetate.The organic layers are combined (ie, the organic layer washed with saturated brine and the organic layer obtained by ethyl acetate extraction).Dry with anhydrous Na2SO4 and distill under reduced pressure.The residue was eluted by flash column chromatography (a mixture of petroleum ether and ethyl acetate in a volume ratio of 8:1).The eluent was collected and evaporated to remove the eluent.The compound of the above formula (II) was obtained as a white solid in a yield of 87.8percent

The synthetic route of 4387-36-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Wenzhou Medical University Affiliated The Second Hospital ? Wenzhou Medical University Affiliated Yuying Child Hospital; Wenzhou Medical University; Wang Zhiyi; Weng Jie; Chen Chan; Wang Zhibin; Zhou Zhiliang; Ma Jianshe; Xu Tong; (18 pag.)CN108250162; (2018); A;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Application of 33348-34-4, A common heterocyclic compound, 33348-34-4, name is 4-Amino-3-iodobenzonitrile, molecular formula is C7H5IN2, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route.

In an oven-dried three-necked round bottom flask provided with a reflux condenser was 4-Amino-3-benzonitrile (1.0 g, 4.1 mmol) dissolved in anhydrous THF (10 ml) under N2. BH3-THF was added dropwise. Once the addition was complete the reaction mixture was refluxed for 2h. The mixture was allowed to cool and HCl (2.0 N aq.) (6.0 ml) was added dropwise. Then the mixture was refluxed for 1.0 h. The solvents were removed under vacuum and residue was suspended in CH2Cl2 (30 ml). DMAP (100.1 mg, 0.8 mmol), Et3N (1.3 ml, 9.4 mmol) and BoC2O (2.7 g, 12.3 mmol) were added and the mixture stirred at r.t. for 1.5 h. H2O was added and the product extracted with EtOAc. The combined organic extracts were dried (MgSO4), filtered and concentrated. The crude product was purified by flash chromatography (CH2Cl2ZMeOH 99:1) affording 1.0 g (71%) of the title compound. 1H NMR (CDCl3) delta 7.55 (d, IH), 7.07 (dd, IH), 6.70 (d, 1 H), 4.76 (bs, IH),4.15 (d, 2H), 4.08 (bs, 2H), 1.46 (s, 9H).

The synthetic route of 33348-34-4 has been constantly updated, and we look forward to future research findings.

Reference:
Patent; RESPIRATORIUS AB; JOHANSSON, Martin; THORNQVIST-OLTNER, Viveca; TOFTERED, Joergen; WENSBO, David; DALENCE, Maria; WO2010/97410; (2010); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

These common heterocyclic compound, 2468-56-6, name is 6-Iodohex-1-yne, its traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. COA of Formula: C6H9I

General procedure: A mixture of the corresponding precursor (1 eq) and alkylating agent (1.5 eq) and K2CO3 (2.5 eq) in DMF was stirred at rt till completion of the reaction. H2O was added and the mixture was extracted with EtOAc. The organic layer was dried, filtered and evaporated. The crude compound was used in next reaction step without further purification (it can be impure with the corresponding precursor).

The synthetic route of 6-Iodohex-1-yne has been constantly updated, and we look forward to future research findings.

Reference:
Patent; Fundacion del Sector Publico Estatal Centro Nacional de Investigaciones Oncologicas Carlos III (F.S.P. CNIO); PASTOR FERNANDEZ, Joaquin Angel; BLASCO MARHUENDA, Maria Antonia; MARTINEZ GONZALEZ, Sonia; BLANCO-APARICIO, Carmen; GARCIA GARCIA, Ana Belen; VARELA BUSTO, Carmen; GOMEZ-CASERO ESTEBAN, Elena; BEJARANO BOSQUE, Leire; MENDEZ PERTUZ, Marinela; MARTINEZ RODRIGUEZ, Paula; GARCIA-BECCARIA, Maria; (71 pag.)EP3623370; (2020); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Each compound has different characteristics, and only by selecting the characteristics of the compound suitable for a specific situation can the compound be applied on a large scale. 135050-44-1, name is 3-Chloro-4-iodoaniline, This compound has unique chemical properties. The synthetic route is as follows., Application In Synthesis of 3-Chloro-4-iodoaniline

Diethyl 2-((3-chloro-4-iodophenylamino)methylene)malonate 3-Chloro-4-iodoaniline (3.0 g, 11.8 mmol) and diethyl 2- (ethoxymethylene)malonate (12.78 g, 59.2 mmol) were mixed in a 100 mL single neck flask, and the resulting mixture was heated to 120oC and stirred for 2.5 h. The mixture was allowed to cool to RT and purified by flash column chromatography on silica gel (10-20% ethyl acetate / petroleum ether) to afford the desired product (3.93 g) as a white solid. ESI-MS m/z : 422.1 [M – H]-.

According to the analysis of related databases, 135050-44-1, the application of this compound in the production field has become more and more popular.

Reference:
Patent; ARAXES PHARMA LLC; LI, Liansheng; FENG, Jun; WU, Tao; REN, Pingda; LIU, Yi; LIU, Yuan; LONG, Yun, Oliver; WO2015/54572; (2015); A1;,
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com