A new route for the convenient synthesis of 3-(thiazol-2'-ylthio)-2h-1-benzopyran-2-ones
作者:V.K. Ahluwalia、H.R. Sharma、R. Tyagi
DOI:10.1016/s0040-4020(01)90053-5
日期:1987.1
Different thiazolylthiocoumarins were prepared by the reaction of (thiazol-2-ylthio) acetic acid hydrazides with 2-hydroxybenzaldehydes, followed by cyclization of the formed N-benzylidene derivatives in presence of PPA.
通过使(噻唑-2-基硫基)乙酸酰肼与2-羟基苯甲醛反应,然后在PPA存在下环化形成的N-亚苄基衍生物,来制备不同的噻唑基硫香豆素。