View all references It is well??known that α??iodo?螃?,β??unsaturated esters are easily deprived of hydrogen iodide under basic or high temperature conditions to turn into the corresponding propiolates. In addition, it is difficult to obtain iodoylides. So, the above methods are not suitable for preparation of α??iodo?螃?,β??unsaturated esters. Recently, Huang44. Huang , Y. , Shi , L. , Li , S. and Huang , R. 1989. An efficient one pot synthesis of α??iodo?螃?,β??unsaturated esters, ...