Helvetica Chimica Acta p. 2287 - 2294 (1990)
Update date:2022-07-29
Topics:
Tromm, Peter-Claus
Heimgartner, Heinz
The BF3*Et2O-catalyzed reaction of 2,4,4-trisubstituted 1,3-thiazole-5(4H)-thiones 13 with alkyl- and phenyl-substituted oxiranes 7 in CH2Cl2 at room temperature leads, in very good yields, to 1-oxa-4,6-dithia-8-azaspiro<4.4>non-7-enes 14 and 15.
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