Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... The beneficial effects of copper (I) salts on the reactions of cyclohex-2-enyl chlorides and 3,4-epoxycyclohexene with phenyldimethylsilyllithium are reported. ... : δ0.40; 0.41 (Si(CH 3 ) 2 ); δ2–2.30 (5H) (cycloalkyl); δ5.97 and δ6.97 (2H, vinyl). : −4.13; −3.90 (Si(CH 3 ) 2 ); ...