Regioselective intramolecular dipolar cycloaddition of azides and unsymmetrical alkynes.
Regioselective intramolecular dipolar cycloaddition of azides and unsymmetrical alkynes.
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DOI:
10.1021/ol902681t
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发表时间:
2010-01-15
期刊:
影响因子:
5.2
通讯作者:
Panek JS
中科院分区:
文献类型:
--
作者:
Brawn RA;Welzel M;Lowe JT;Panek JS
Enantioenriched allenylsilanes are used in three component propargylation reactions with aldehydes and silyl ethers to form syn-homopropargylic ethers that contain an imbedded azide. These materials then undergo thermally induced intramolecular 1,3-dipolar cycloaddition reactions, resulting in unique fused ring systems containing 1,2,3-triazoles. The ability to modify all three components of the reaction allows for expedient access to compounds containing significant structural and stereochemical variation.
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