Butyl-lithium-induced dimerization of pent-3-en-1-yne and some derivatives
Abstract
The enynes HCCCH
CHCH2R(R = H, OMe, NMe2, SMe) are converted into dimers HC
CCH
CHCH(R)CH(CH2R)CH2C
CH by treatment with butyl-lithium in a mixture of tetrahydrofuran and hexane.