A New 1,3-Oxathiolane Synthesis: Spirocyclic 1,3-Oxathiolanes from the Lewis-Acid-Catalyzed Reaction of 1,3-Thiazole-5(4H)-thiones and Oxiranes

DOI: 10.1002/hlca.19900730825

Source and publish data:

Helvetica Chimica Acta p. 2287 - 2294 (1990)

Update date:2022-07-29

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Authors:

Tromm, Peter-Claus

Heimgartner, Heinz

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Article abstract of DOI:10.1002/hlca.19900730825

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.

Full text of DOI:10.1002/hlca.19900730825

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