2-Substituted vinyl quaternary salts, I, were prepared for testing as tumor damaging agents. The compounds prepared, their yields, melting points, and analytical data are listed in the accompanying table. Except where noted these are new compounds. ... R-CH=CH-G<}R X- RCHOHCHZ$<)R X- ... Most of the type I compounds were obtained by dehydration of the 2-substituted-2-hydroxy- ethyl quaternary salts, 11, using benzoyl chloride at 180-200" as ...