Cordier, Georges published the article 《Influence of the medium on hydrogenation of 2-methylglutaronitrile. Selective access to 2-methylpentane diamine or β-picoline after dehydrogenation》. Keywords: medium effect hydrogenation methylglutaronitrile; selective preparation methylpentanediamine; picoline; dehydrogenation methylpiperidine.They researched the compound: 2-Methylglutaronitrile( cas:4553-62-2 ).SDS of cas: 4553-62-2. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:4553-62-2) here.
A conference. The 2-methylglutaronitrile (I) is obtained as a byproduct of the important adiponitrile production It, nevertheless, gives rise to interesting chem. transformations. In particular, its hydrogenation can produce 2-methylpentanediamine, a substitute for hexamethylenediamine in polyamide or polyurethane compounds The 3-methylpiperidine, also produced by hydrogenation of I, can be an interesting intermediate for β-picoline production involved in the synthesis of PP vitamin. Using Raney nickel as the catalyst, hydrogenation reactions were performed in various liquid phase compositions 2-Methylpentanediamine was obtained very selectively. The reaction product can be used itself as solvent. Addition of dry ammonia in ethanol in the place of isopropanol / KOH or NaOH medium leads to a mixture of 2-methylpentanediamine, 3-methylpiperidine and some heavy byproducts. This mixture can be cyclized and dehydrogenated to β-picoline (3-methylpyridine) on a special and very efficient Pd/SiO2 catalyst. The two processes have been patented by Rhone-Poulenc.
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com