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A Carbaboranylmercuric Salt Catalyzed Reaction; Highly Regioselective Cycloisomerization of 1,3-Dienes
- Yamamoto, Hirofumi, Sasaki, Ikuo, Shiomi, Shinya, Yamasaki, Naoto, Imagawa, Hiroshi
- Organic letters 2012 v.14 no.9 pp. 2266-2269
- Lewis acids, ambient temperature, chemical reactions, chemical structure, organic compounds, regioselectivity, silver
- The combination of carbaboranylmercuric chloride (new type of bulky Lewis acid) and silver triflate efficiently catalyzes cycloisomerization of 1,3-dienes at room temperature. The catalytic system gives allyl-substituted azacycles and cycloalkanes in excellent yields with high to complete regioselectivity.