Butyl-lithium-induced dimerization of pent-3-en-1-yne and some derivatives
Abstract
The enynes HCCCHCHCH2R(R = H, OMe, NMe2, SMe) are converted into dimers HCCCHCHCH(R)CH(CH2R)CH2CCH by treatment with butyl-lithium in a mixture of tetrahydrofuran and hexane.