The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 2-Methylglutaronitrile( cas:4553-62-2 ) is researched.Related Products of 4553-62-2.Gavagan, John E.; Fager, Susan K.; Fallon, Robert D.; Folsom, Patrick W.; Herkes, Frank E.; Eisenberg, Amy; Hann, Eugenia C.; DiCosimo, Robert published the article 《Chemoenzymic Production of Lactams from Aliphatic α,ω-Dinitriles》 about this compound( cas:4553-62-2 ) in Journal of Organic Chemistry. Keywords: dinitrile enzymic hydrolysis lactamization; cyano carboxylic acid enzymic preparation lactamization; lactam enzymic preparation dinitrile. Let’s learn more about this compound (cas:4553-62-2).
Five- and six-membered ring lactams have been prepared by first converting an aliphatic α,ω-dinitrile to an ω-cyano carboxylic acid ammonium salt, using a microbial cell catalyst having an aliphatic nitrilase activity (Acidovorax facilis 72W, ATCC 55746) or a combination of nitrile hydratase and amidase activities (Comamonas testosteroni 5-MGAM-4D, ATCC 55744). The ω-cyano carboxylic acid ammonium salt was then directly converted to the lactam by hydrogenation in aqueous solution, without isolation of the intermediate ω-cyano carboxylic acid or ω-amino carboxylic acid. Only one of two possible lactam products was produced from α-alkyl-substituted α,ω-dinitriles, where the nitrilase of A. facilis 72W regioselectively hydrolyzed only the ω-cyano group to produce a single cyano carboxylic acid ammonium salt in greater than 98% yield.
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Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com