Chemistry Letters p. 1503 - 1506 (1980)
Update date:2022-08-17
Topics:
Okuma, Kentaro
Higuchi, Naotsugu
Otha, Hiroshi
Kobayashi, Michio
Diaminooxosulfonium salts were prepared by alkylation of aminosulfoximines.Their reactions with dimsyl sodium gave the corresponding ylides and sulfoximines.The intramolecular rearrangement of the ylide led to ortho substitution via an intermediate cyclohexadienoneimine.Hydrogen transfer, accompaning rearomatization and the subsequent action of a base gave a dihydrobenzoisothiazole derivative.
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