METHOD FOR SAFELY AND EFECTIVELY REMORING TRIPHENYLMETHANE PROTECTION GROUP

摘要

PURPOSE: A method for removing triphenylmethane protection group from a compound is provided to shorten reaction time and to recycle ion exchange resin without side reaction.;CONSTITUTION: A method for removing triphenylmethane protection group of a compound comprises: a step of contacting acidic resin to a compound having a triphenylmethane protection group to remove triphenyl methane protection group; and a step of isolating the compound in which the triphenyulmethane protection group is removed. The compound having a tetrazolyl group is a compound having triphenyl methane protection group, which is denoted by chemical formula 3 or 4.;COPYRIGHT KIPO 2010