[2 + 2 + 1] Cycloaddition between Alkynes, Acrylates, and Titanocene(II): Regioselective Formation of 5-Alkoxycarbonyltitanacyclopent-2-enes and Their Addition to Carbonyls

[2 + 2 + 1] Cycloaddition between Alkynes, Acrylates, and Titanocene(II): Regioselective Formation of 5-Alkoxycarbonyltitanacyclopent-2-enes and Their Addition to Carbonyls

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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Veröffentlicht in:Chemistry letters 2010-07, Vol.39 (7), p.723-725
Hauptverfasser: Oishi, Shigeki, Ohomika, Kaoru, Tsubouchi, Akira, Takeda, Takeshi
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container_title Chemistry letters
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creator Oishi, Shigeki
Ohomika, Kaoru
Tsubouchi, Akira
Takeda, Takeshi
description 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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source Oxford University Press Journals All Titles (1996-Current)
title [2 + 2 + 1] Cycloaddition between Alkynes, Acrylates, and Titanocene(II): Regioselective Formation of 5-Alkoxycarbonyltitanacyclopent-2-enes and Their Addition to Carbonyls
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