A novel synthesis and preliminary in vitro cytotoxic evaluation of dihydropyrimidine-2,4(1H, 3 H)-dione derivatives
作者:V UDAYAKUMAR、J GOWSIKA、A PANDURANGAN
DOI:10.1007/s12039-017-1223-4
日期:2017.2
from methyl 3-amino-3-(2-chlorophenyl)propanoate precursor in a multi-step synthesis. Acid-amine coupling of 3-(2-(1H-inden-2-yl)phenyl)-3-((tert-butoxycarbonyl)amino)propanoic acid with a series of amine derivatives under mild reaction conditions led to form the corresponding dihydropyrimidine-2,4(1H,3H)-dione derivatives via de-Boc and cyclization reaction in modest yield. Spectroscopic (1H, 13C
我们报告了四个新化合物的合成和表征:6-(2-(1H-茚满-2-基)苯基)-3-(2-吗啉代乙基)二氢嘧啶-2,4(1H,3H)-二酮(13a) ,6-(2-(1H-茚满-2-基)苯基)-3-(2-(吡咯烷-1-基)乙基)二氢嘧啶-2,4(1H,3H)-二酮(13b),6- (2-(1H-茚-2-基)苯基)-3-苯乙基二氢嘧啶-2,4(1H,3H)-二酮(13c)和3-(3-(1H-咪唑-1-基)丙基)- 6-(2-(1H-茚满-2-基)苯基)二氢嘧啶-2,4(1H,3H)-二酮(13d)。在多步合成中,由3-氨基-3-(2-氯苯基)丙酸甲酯前体衍生出一系列二氢嘧啶-2,4(1 H,3 H)-二酮部分。3-(2-(1 H-茚满-2-基)苯基)-3-((叔丁氧羰基)氨基)丙酸与一系列胺衍生物在温和的反应条件下通过de-Boc和环化反应以适度的收率形成相应的二氢嘧啶-2,4(1 H,3 H)-二酮衍生物。光谱(1