A variety of 2-arylthio-4-methoxybenzoates are regioselectively prepared by the first formal [3+3] cyclocondensations of 3-arylthio-1-trimethylsilyloxybuta-1,3-dienes with 3-oxo-orthoesters.
通过 3-arylthio-1-trimethylsilyloxybuta-1,3-dienes 与 3-oxo-orthoesters 的首次正式 [3+3] 环缩合反应,调节选择性地制备了多种 2-芳
硫基-4-
甲氧基苯甲酸酯。