The syntheses of 2-methyl-3, 3, 3-triphenylpropene and 3, 3, 3-triphenylpropene, and the p- methoxy-derivative of each are described. Notable features are the ready dehydration by phosphoryl chloride in pyridine of two sterically hindered tertiary alcohols which are unaffected by sulphuric or phosphoric acid; the efficiency of the reaction of two triarylmethyl Grignard reagents with ethylene oxide; and the use of aqueous dimethyl sulphoxide as ...
