1229516-52-2Relevant articles and documents
Optional synthesis of 2- OR 5-substituted 3-bromopyrroles via bromine-lithium exchange of N-benzenesulfonyl-2,4-dibromopyrrole
Fukuda, Tsutomu,Iwao, Masatomo
, p. 1261 - 1273 (2013/08/23)
The regioselective bromine-lithium exchange of N-benzenesulfonyl-2,4- dibromopyrrole (6) with n-BuLi followed by treatment with various electrophiles gave 5-substituted 3-bromopyrroles (5) in excellent yields. In contrast, the sequential treatment of 6 wi