Dinryloxymethyl halides and divinyloxymethyl halides, formates, trichloro- acetates. monochloro~icetates. and acetates have been synthesized from corre- sponding vinyl orthoformates. ... In a previous paper' the mechanism of the acid-catalyzed decomposi- tion of compounds R'RZCXOCH(OR3)), (I) according to ... .I: Trivinyl orthoformate and triisopropenyl orthoformate have recently also been pre- pared by H. Srerrer and E. Reske. Chem. Ber. ...