Stereoselective preparation of (5E)- and (5Z)-5-benzylidene-3-methyl-3-pyrrolin-2-ones. Application to the synthesis of ampullicine and isoampullicine
作者:Rosario Rico、Francisco Bermejo
DOI:10.1016/0040-4039(96)01232-4
日期:1996.8
The application of N-Boc-5-phosphoranylidene- and N-Boc-5-diethylphosphonate-3-methyl-3-pyrrolin-2-ones to the stereoselective synthesis of (5E)- and (5Z)-3-methyl-5-benzylidene-3-pyrrolin-2-ones is examined. The stereoselective synthesis of the growth regulators Ampullicin and Isoampullicin by using both Wittig intermediates has also been achieved.
N-Boc-5-膦基亚烷基-和N-Boc-5-二乙基膦酸酯-3-甲基-3-吡咯啉-2-酮在(5E)-和(5Z)-3-甲基-5的立体选择性合成中的应用检查了-亚苄基-3-吡咯啉-2-酮。还已经通过使用两种Wittig中间体实现了生长调节剂Ampullicin和Isoampullicin的立体选择性合成。