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- W2949676752 abstract "The cross-coupling reaction of (E)- and (Z)-1-alkenyldialkylboranes with (trimethylsilyl)ethynyl bromide proceeds in the presence of a base and a catalytic amount of Cu(acac)2 under very mild conditions to provide conjugated enynes whose carbon-carbon triple bond is in distal position. The use of 1 M NaOMe as a base exclusively affords both (E)- and (Z)-3-alken-1-ynes with high regio- and stereoselectivity, while the use of LiOH·H2O instead of 1 M NaOMe preferentially gives both (E)- and (Z)-1-trimethylsilyl-3-alken-1-ynes regio- and stereoselectively." @default.
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- W2949676752 date "2002-01-01" @default.
- W2949676752 modified "2023-09-23" @default.
- W2949676752 title "Construction of Terminal Conjugated Enynes: Regio- and Stereoselective Syntheses of 3-Alken-1-ynes and 1-Trimethylsilyl-3-alken-1-ynes from Alkenyldialkylboranes and (Trimethylsilyl)ethynyl Bromide" @default.
- W2949676752 doi "https://doi.org/10.1055/s-2002-32604" @default.
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