Attempts at new synthesis of 5,11 -Dihydro-6<i>H</i>-pyrido[2,3-b][1,4]benzodiazepin-6-one
作者:M. Oklobdžija、G. Comisso、E. Decorte、T. Kovač、C. Angeli、F. Moimas、P. Zanon、F. Zonno、R. Toso、V. Šunjić
DOI:10.1002/jhet.5570200536
日期:1983.9
Attempting some new approaches to 5,11-dihyro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one (6), compounds 8, 10 and 11 were prepared. Ring enlargement of 4 into 6 failed, as well as condensation of 10 and 11 into ID, which is the potential precursor of pirenzepin (11-[2′-(4″-methylpiperazin-1″-yl)]acetyl derivative of 6) via an envisaged intramolecular Diels-Alder reaction. Model compounds 5 and 13 were
尝试制备5,11-二氢-6 H-吡啶并[2,3- b ] [1,4]苯并二氮杂-6-6- one(6)的新方法,制备了化合物8、10和11。的扩环4到6不合格,以及缩合10和11到ID,其是哌仑西平和的潜在前体(11- [2' - (4“-methylpiperazin-1” -基)]乙酰基衍生物的6)通过设想的分子内Diels-Alder反应。模型化合物5和13制备和他们在类似反应中的行为解释了预期的转化4的失败,以及10和11的缩合的失败。