Journal of the Chemical Society. Perkin transactions I p. 2746 - 2750 (1981)
Update date:2022-08-04
Topics:
Hall, C. Richard
Williams, Nancy E.
1,3,2-thiazaphospholidin-2-ones are prepared by rearrangement of the corresponding 1,3,2-oxazaphospholidine-2-thiones.In both the phosphono- and phosphoro-series treatment with alkoxide results in P-N bond cleavage with inversion of configuration, while treatment with Grignard reagents results in P-S bond cleavage with retention of configuration.The products are consistent with a mechanism which involves initial nucleophilic attack opposite endocyclic nitrogen.
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