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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1648071Generated: October 31, 2026

6-(t-Butyldimethylsilyloxy)-1-hexyne → 5-[6-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-1-hexynyl]-2H-1-benzopyran-2-one

https://huagongshe.com/reaction/1648071

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-(t-Butyldimethylsilyloxy)-1-hexyneHCID 11009448—
Reactanttrifluoromethanesulfonic acid 2-oxo-2H-1-benzopyran-5-yl esterHCID 54079840—
Product5-[6-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-1-hexynyl]-2H-1-benzopyran-2-oneHCID 1992190687%

Reaction Steps

Using the procedure of example 120, trifluoromethanesulfonic acid 2-oxo-2H-1-benzopyran-5-yl ester from example 119 was converted to the title compound by reaction with (1,1-dimethylethyl)(5-hexynyloxy)dimethylsilane. The product was a solid, obtained in 87% yield.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05434186
Source datasetuspto-grants-1995_07
ORD IDord-91ff0e98fd064bf39b40f5c8044f2077
Source noteuspto-grants-1995_07