作者:Rudolf Schindler、Grigory V. Mokrov、Arkady M. Likhosherstov、Rainer Gewald
DOI:10.3987/com-08-11436
日期:——
acids esters 5. Heating of the aminoesters 5 in xylene under reflux resulted in 5-(arylalkyl)-4,5-dihydro-6H-pyrrolo[1,2-a][1,4]benzodiazepin-6-ones 7. Lactams 7 were reduced by lithium aluminum hydride in toluene and ether solutions to give 5-(arylalkyl)-5,6-dihydro-4H-pyrrolo[1,2-a][1,4]benzo-diazepines 8. The solid products 8 were recrystallized and the liquid ones were transformed into their salts
- 2,5-二甲氧基-2-(二甲氧基甲基)四氢呋喃 1 与邻氨基苯甲酸烷基酯 2 在沸腾的乙酸中反应得到 2-(2-甲酰基吡咯-1-基)苯甲酸酯 3。 3 与伯胺的还原胺化芳烷基胺 4 得到 2-2-[(芳基烷基氨基)甲基]吡咯-1-基}-苯甲酸酯 5。氨基酯 5 在二甲苯中回流加热得到 5-(芳烷基)-4,5-二氢- 6H-pyrrolo[1,2-a][1,4]benzodiazepin-6-ones 7. 内酰胺 7 在甲苯和乙醚溶液中被氢化铝锂还原得到 5-(arylalkyl)-5,6-dihydro-4H -吡咯并[1,2-a][1,4]苯并二氮杂 8. 将固体产物8重结晶,将液体产物与草酸转化成它们的盐。