Journal of Organic Chemistry p. 2390 - 2392 (1994)
Update date:2022-08-28
Topics:
Okuma, Kentaro
Sato, Yasunari
Ishii, Toshiro
Ohta, Hiroshi
The reactions of (dimethylamino)phenylsulfoxonium methylide with aldehydes gave unusual cyclopropylaminosulfoxonium salts in good yields when 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU) was used as a base.This ylide reacted with aldehydes to give the corresponding betaines, which resulted in the formation of vinylsulfoxonium salts.The additional ylide reacted with these salts to afford cyclopropylsulfoxonium salts.
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