A new class of fused 1,4-diazepines: synthesis of substituted 8,8a-dihydrofuro[2,3-b][1,4]diazepin-2-ones
作者:José Barluenga、Miguel Tomás、Alfredo Ballesteros、Jian-She Kong、Santiago García Granda、Enrique Pérez-Carreño
DOI:10.1039/c39910000353
日期:——
The novel furo[2,3-b][1,4]diazepines 7 have been synthesized in two steps from acetylenedicarboxylic acid esters and 4-amino-1-azabutadienes 1via their 1,3,2-diazasiline derivatives 2 and the crystal structure of 7a has been determined.