Preferential yield of ring expansion and rearrangement products through α-cleavage of tetramethyl-3-thio-1,3-cyclobutanedione (1) and 3-mercapto-2,2,4-trimethyl-3-pentenoic acid β-(thio lactone) (2) involving diradical and carbene has been observed upon photolysis of 1 and 2.
通过四甲基-3-
硫代-1,3-环
丁二酮 (1) 和 3-巯基-2,2,4-三甲基-
3-戊烯酸 β-(
硫代内酯) 的 α-裂解获得扩环和重排产物的优先收率(2) 在 1 和 2 的光解中观察到涉及双自由基和卡宾。