Summary Thermal degradation of (1-methylcroty1)-trimethylammonium hydroxide gives rise to 1, 3-pentadiene, chiefly the trans isomer. If 2, 3-pentadiene was formed, it was in amounts too small to detect. This formation of conjugated double bonds is in contrast to the formation of both conjugated and cumulative double bonds in the degradation of 2, 3-butanebis- (trimethyl-ammonium hydroxide) and is in keeping with the results obtained by Willstatter ...
