Abstract
Abstract The reaction of α-tetralone with various internal acetylenes can be catalyzed by Ru(H)2(CO)(PPh3)3 and gives 1:1 addition products. Symmetrically substituted dialkyl- and diarylacetylenes gave an E/Z mixture of 1:1 coupling products in good yields. 1-Phenyl-1-butyne afforded all four possible regio- and stereoisomers. 1-Trimethylsilyl-1-propyne gave only E-isomer with C–C bond formation exclusively at the carbon atom substituted with the silyl group. Other internal acetylenes having a trimethylsilyl group also proceeded regioselectively although mixtures of stereoisomers were obtained.
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Dates
Type | When |
---|---|
Created | 19 years, 5 months ago (Feb. 28, 2006, 8:23 p.m.) |
Deposited | 1 year, 7 months ago (Jan. 18, 2024, 9:41 a.m.) |
Indexed | 1 day, 16 hours ago (Aug. 23, 2025, 1:02 a.m.) |
Issued | 30 years ago (Aug. 1, 1995) |
Published | 30 years ago (Aug. 1, 1995) |
Published Online | 19 years, 5 months ago (March 1, 2006) |
Published Print | 30 years ago (Aug. 1, 1995) |
@article{Kakiuchi_1995, title={Catalytic Addition of Aromatic C–H Bonds to Acetylenes}, volume={24}, ISSN={1348-0715}, url={http://dx.doi.org/10.1246/cl.1995.681}, DOI={10.1246/cl.1995.681}, number={8}, journal={Chemistry Letters}, publisher={Oxford University Press (OUP)}, author={Kakiuchi, Fumitoshi and Yamamoto, Yoshimi and Chatani, Naoto and Murai, Shinji}, year={1995}, month=aug, pages={681–682} }