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- Title
Reaction of Methyl (2-Methylidene)-3-oxolup-20(29)-en-28-oate with Dimethyl Trimethylsilyl Phosphite.
- Authors
Tsepaeva, O. V.; Nemtarev, A. V.; Abdullin, T. I.; Kuznetsova, E. V.; Mironov, V. F.
- Abstract
A method of phosphorylation of pentacyclic triterpenoids derivatives containing an α,β-unsaturated carbonyl fragment in the ring A was described by the example of the reaction of methyl (2-methylidene)-3-oxolup-20(29)-en-28-oate with dimethyl trimethylsilyl phosphite. Methyl 2-dimethoxyphosphorylmethyl-3-oxolup-20(29)-en-28-oate was obtained as two epimers in a 2: 1 ratio in a 70% yield.
- Subjects
TRITERPENOIDS; PHOSPHORYLATION; EPIMERIZATION; CELL-mediated cytotoxicity; DIASTEREOISOMERS
- Publication
Russian Journal of General Chemistry, 2018, Vol 88, Issue 9, p1944
- ISSN
1070-3632
- Publication type
Academic Journal
- DOI
10.1134/S1070363218090335