Novel Preparation of Vinylphosphonates, Vinylphosphinates, and Vinylphosphine Oxides via β-Elimination of Nitrous Acid
- 1 January 1990
- journal article
- research article
- Published by Georg Thieme Verlag KG in Synthesis
- Vol. 1990 (05) , 420-422
- https://doi.org/10.1055/s-1990-26893
Abstract
Base treatment of 2-dimethoxyphosphinyl-, 2-methoxyphenylphosphinyl- and 2-diphenylphosphinyl-1-nitroethane derivatives results in ß-elimination of nitrous acid to afford the corresponding vinyl derivatives in excellent yield. This is a useful method for the preparation of 5,6-dideoxy-5-C-(dimethoxyphosphinyl)-, 5,6-dideoxy-5-C-(methoxyphenylphosphinyl)-, and 5, 6-dideoxy-5-C-(diphenylphosphinyl)-xylo-hexo-5-enofuranose derivatives as well as 5,6-dideoxy-5-C-(dimethoxyphosphinyl)-xylo-hexofuranose.Keywords
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