Reactions of N-(2-chloroacetyl)-α-amino acids with 3-cyanopyridine-2(1H)-thiones. New promising route to 3,4-dihydropyrido[3",2":4,5]thieno[3,2-e][1,4]diazepine-2(1H),5-diones
作者:A. E. Fedorov、A. M. Shestopalov、P. A. Belyakov
DOI:10.1023/b:rucb.0000011878.52263.c4
日期:2003.10
The reactions of N-(2-chloroacetyl)-α-amino acids with 3-cyanopyridine-2(1H)-thiones afforded N-(3-aminothieno[2,3-b]pyridin-2-ylcarbonyl)-α-amino acids. Heating of the latter smoothly produced 3,4-dihydropyrido[3",2":4,5]thieno[3,2-e][1,4]diazepine-2(1H),5-diones in high yields.
N-(2-氯乙酰基)-α-氨基酸与 3-氰基吡啶-2(1H)-硫酮反应得到 N-(3-氨基噻吩并[2,3-b]吡啶-2-基羰基)-α-氨基酸。后者的加热平稳地以高产率产生 3,4-dihydropyrido[3",2":4,5]thieno[3,2-e][1,4]diazepine-2(1H),5-diones。