The unusual cyclic products from tetra- and penta-peptides of α-methylalanine
作者:M.Y. Ali、Anowara Khatun
DOI:10.1016/s0040-4020(01)96438-5
日期:1985.1
Tetra- and pentapeptides of α-methylalanine give with PCl5, SOCl2 etc. intermediates which, with or without loss of amino adds, lead to bi- and tricyclic products containing imidazole and piperazine rings through different routes.