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Reaction of methyl 2-methylidene-3-oxolup-20(29)-en-28-oate with triphenylphosphonium trifluoromethanesulfonate


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Phosphorylation of methyl 2-methylidene-3-oxolup-20(29)-en-28-oate with triphenylphosphonium trifluoromethanesulfonate in methylene chloride at 20°C afforded 90% of a γ-oxoalkylphosphonium salt containing a terpenoid fragment, [28-methoxy-3,28-dioxolup-20(29)-en-2-ylmethyl]triphenylphosphonium trifluoromethanesulfonate, as a mixture of two epimers (2S/2R) at a ratio of 2: 1.

作者简介

O. Tsepaeva

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center

Email: a.nemtarev@mail.ru
俄罗斯联邦, ul. Arbuzova 8, Kazan Tatarstan, 420088

A. Nemtarev

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Kazan (Volga Region) Federal University

编辑信件的主要联系方式.
Email: a.nemtarev@mail.ru
俄罗斯联邦, ul. Arbuzova 8, Kazan Tatarstan, 420088; ul. Kremlevskaya 18, Kazan Tatarstan, 420008

V. Mironov

Arbuzov Institute of Organic and Physical Chemistry, Kazan Scientific Center; Kazan (Volga Region) Federal University

Email: a.nemtarev@mail.ru
俄罗斯联邦, ul. Arbuzova 8, Kazan Tatarstan, 420088; ul. Kremlevskaya 18, Kazan Tatarstan, 420008

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