6342
BOOKREVIEWS
(chloroform solution) with (- )trimethylcolchicinic acid, was produced. I n view of the reported racemization and resolution of (-) triniethylcolchicinic acid,l0 and the reconversion of the latter to colchicine,’ the above operations represent the total syi:thesis of the natural product. l 1 (11) Complete analytical and spectral dxtn on nirdintes will be presented in a full public;iii