An optically stable o,o′-dilithio biaryl derivative
Abstract
2,2′-dilithio-6,6′-dimethylbiphenyl, prepared from optically pure 2,2′-di-iodo-6,6′-dimethylbiphenyl (1) and butyl-lithium in diethyl ether, was found to be stable towards racemisation at –10°C.