Chemistry Letters p. 333 - 336 (1985)
Update date:2022-08-11
Topics:
Okuma, Kentaro
Nakanishi, Kazuto
Honda, Takumi
Ohta, Hiroshi
Yokomori, Yoshinobu
Sekido, Kiyotane
The title compounds have been synthesized by the reaction of diaminooxosulfonium methylides with aldehydes as isomeric mixtures in good yields.These ylides reacted with aldehydes to give betaines, which formed unusual four-membered cyclic alkoxyoxosulfonium salts.Another methylide further attacked α-carbon of these salts to afford cyclopropyldiaminooxosulfonium salts.
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