TURCHI I. J.; MARYANOFF C. A.; MASTROCOLA A. R., J. HETEROCYCL. CHEM., 1980, 17, NO 7, 1593-1595
作者:TURCHI I. J.、 MARYANOFF C. A.、 MASTROCOLA A. R.
DOI:——
日期:——
A synthesis of some novel 4,5-dihydroazepines by the reaction of oxazolium 5-oxides with 1,2-dicyanocyclobutene
作者:Ignatius J. Turchi、Cynthia A. Maryanoff、Antonietta R. Mastrocola
DOI:10.1002/jhet.5570170748
日期:1980.11
Heating primary or secondary α-amino acids in acetic anhydride in the presence of 1,2-dicyanocyclobutene leads to 4,5-dihydroazepines via the intermediacy of mesoionic oxazolium5-oxides.