75267-77-5Relevant articles and documents
Photochemical Syntheses of 1,2-Diazepines. 11. Regiospecific Synthesis of 1,2-Dihydro-1,2-diazepin-3-ones
Kiguchi, Toshiko,Schuppiser, Jean-Luc,Schwaller, Jean-Claude,Streith, Jacques
, p. 5095 - 5100 (2007/10/02)
Starting from 2-chloropyridine 7, a series of 1,2-diazepin-3-ones 16 was prepared by a five-step synthesis.The key intermediates were the bicyclic oxadiazolium salts 10 which led, through a methoxide ion induced ring opening, to the expected 2-methoxypyri