论文部分内容阅读
Strongly acidic cation exchange resin(1x1,H form)has been successfullyused as a catalyst in synthesis of diphenyl N-benzyloxycarbonyl-1-aminobenzylphosphonate,N-benzyloxycarbonyl-1-aminobenzylphenylphosphinic acid and N-p-tolylsulfonyl-1-aminobenzylphenyl