59936-36-6Relevant articles and documents
IPSO-SUBSTITUTION REACTIONS OF 2- AND 4-SULFONYLPYRIDINES WITH GRIGNARD REAGENTS
Furukawa, Naomichi,Tsuruoka, Masayuki,Fujihara, Hisashi
, p. 3337 - 3340 (2007/10/02)
The reactions of 2-sulfonylpyridines with Grignard reagents proceeded via an ionic path to give only the corresponding ipso-substitution products, while 4-sulfonylpyridines afforded mainly a mixture of both the substitution and coupling products on treatment with Grignard reagents.