Titanium-mediated carboxylation of alkynes with carbon dioxide

Yvan Six

doi:10.1002/ejoc.200390170

Titanium-mediated carboxylation of alkynes with carbon dioxide

Yvan Six

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

Résumé

The regioselective carboxylation of nonactivated internal alkynes can be performed with carbon dioxide under atmospheric pressure using a simple procedure based on the chemistry of Sato-type diisopropyloxytitanacyclopropenes. Various polysubstituted vinylcarboxylic acids and butenolides can be prepared in this way. In addition, this paper describes an experimental protocol for the preparation of solutions of (η²-cyclopentene)diisopropyloxytitanium. This complex also reacts with carbon dioxide, and mediates pinacol coupling of acetophenone.

langue originale	Anglais
Pages (de - à)	1157-1171
Nombre de pages	15
journal	European Journal of Organic Chemistry
Numéro de publication	7
Les DOIs	https://doi.org/10.1002/ejoc.200390170
état	Publié - 1 janv. 2003

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10.1002/ejoc.200390170

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title = "Titanium-mediated carboxylation of alkynes with carbon dioxide",

abstract = "The regioselective carboxylation of nonactivated internal alkynes can be performed with carbon dioxide under atmospheric pressure using a simple procedure based on the chemistry of Sato-type diisopropyloxytitanacyclopropenes. Various polysubstituted vinylcarboxylic acids and butenolides can be prepared in this way. In addition, this paper describes an experimental protocol for the preparation of solutions of (η2-cyclopentene)diisopropyloxytitanium. This complex also reacts with carbon dioxide, and mediates pinacol coupling of acetophenone.",

keywords = "Carbon dioxide, Carbonylation, Lactones, Metallacycles, Titanium",

author = "Yvan Six",

year = "2003",

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doi = "10.1002/ejoc.200390170",

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journal = "European Journal of Organic Chemistry",

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N2 - The regioselective carboxylation of nonactivated internal alkynes can be performed with carbon dioxide under atmospheric pressure using a simple procedure based on the chemistry of Sato-type diisopropyloxytitanacyclopropenes. Various polysubstituted vinylcarboxylic acids and butenolides can be prepared in this way. In addition, this paper describes an experimental protocol for the preparation of solutions of (η2-cyclopentene)diisopropyloxytitanium. This complex also reacts with carbon dioxide, and mediates pinacol coupling of acetophenone.

AB - The regioselective carboxylation of nonactivated internal alkynes can be performed with carbon dioxide under atmospheric pressure using a simple procedure based on the chemistry of Sato-type diisopropyloxytitanacyclopropenes. Various polysubstituted vinylcarboxylic acids and butenolides can be prepared in this way. In addition, this paper describes an experimental protocol for the preparation of solutions of (η2-cyclopentene)diisopropyloxytitanium. This complex also reacts with carbon dioxide, and mediates pinacol coupling of acetophenone.

KW - Carbon dioxide

KW - Carbonylation

KW - Lactones

KW - Metallacycles

KW - Titanium

UR - https://www.scopus.com/pages/publications/0037391617

U2 - 10.1002/ejoc.200390170

DO - 10.1002/ejoc.200390170

M3 - Article

AN - SCOPUS:0037391617

SN - 1434-193X

SP - 1157

EP - 1171

JO - European Journal of Organic Chemistry

JF - European Journal of Organic Chemistry

IS - 7

ER -

Titanium-mediated carboxylation of alkynes with carbon dioxide

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