New strategy for the synthesis of the taxane diterpenes: Formation of the BC-rings of taxol via a [5+2]-pyrylium ylide-alkene cyclization, ring expansion strategy
作者:William Bauta、John Booth、Mary Ellen Bos、Mark DeLuca、Louis Diorazio、Timothy Donohoe、Nicholas Magnus、Philip Magnus、José Mendoza、Philip Pye、James Tarrant、Stephen Thom、Feroze Ujjainwalla
DOI:10.1016/0040-4039(95)01083-t
日期:1995.7
The BC-rings of taxol can be synthesized using an intramolecular [5+2]-pyrylium ylide-alkene cyclization, followed by gem-methylcyclopropanation and reductive cleavage of the internal cyclopropane bond.
紫杉醇的BC环可以使用分子内的[5 + 2]-
吡啶鎓内鎓盐-
烯烃环化,然后通过宝石-
甲基环丙烷化和内部
环丙烷键的还原性裂解来合成。