Reaction of 2-Diazopropane and 1,3-Thiazole-5(4H)-thiones

DOI: 10.1002/hlca.19920750608

Source and publish data:

Helvetica Chimica Acta p. 1825 - 1833 (1992)

Update date:2022-08-03

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Authors:

Mloston, Grzegorz

Heimgartner, Heinz

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Article abstract of DOI:10.1002/hlca.19920750608

At 0 deg C, 1,3-thiazoles 1 and 2-diazopropane in pentane or MeOH undergo a smooth 1,3-dipolar cycloaddition to give spirocyclic 2,4-dihydro-1,3,4-thiadiazoles 6 (Scheme 3).Elimination of N2 occurs already at 20 deg C, yielding spirocyclic thiiranes 7.At

Full text of DOI:10.1002/hlca.19920750608

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