Convenient synthetic equivalents of 2-lithiopyrrole and 2,5-dilithiopyrrole
作者:Wha Chen、Michael P. Cava
DOI:10.1016/s0040-4039(00)96854-0
日期:1987.1
Rearrangement of 2,5-Bis(silylated)-<i>N</i>-Boc Pyrroles into the Corresponding 2,4-Species
作者:Jean-Hugues Mirebeau、Mansour Haddad、Martin Henry-Ellinger、Gérard Jaouen、Julien Louvel、Franck Le Bideau
DOI:10.1021/jo901956a
日期:2009.11.20
The rearrangement or 2,5-bis(silylated)-N-Boc pyrroles in their 2,4-isomers is shown to proceed under mild acidic conditions. A reasonable mechanism, based on literature as well as experiments, is proposed to rationalize this transformation.