[2 + 2 + 1] Cycloaddition between Alkynes, Acrylates, and Titanocene(II)

5-Alkoxycarbonyltitanacyclopent-2-enes were produced regioselectively by the [2 + 2 + 1] cycloaddition between alkynes, acrylates, and titanocene(II) reagent Cp2Ti[P(OEt)3]2. Although the titanacycles were inactive toward carbonyl compounds, their addition proceeded in the presence of titanocene(II)...

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Bibliographic Details
Published in:Chemistry letters 2010-07, Vol.39 (7), p.723
Main Authors: Oishi, Shigeki, Ohomika, Kaoru, Tsubouchi, Akira, Takeda, Takeshi
Format: Article
Language:English
Online Access:Get full text
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Summary:5-Alkoxycarbonyltitanacyclopent-2-enes were produced regioselectively by the [2 + 2 + 1] cycloaddition between alkynes, acrylates, and titanocene(II) reagent Cp2Ti[P(OEt)3]2. Although the titanacycles were inactive toward carbonyl compounds, their addition proceeded in the presence of titanocene(II).
ISSN:0366-7022
1348-0715