HP 505 、 3-chloropropyl dimethylphospine oxide 、
2-chloroethyl dimethylphosphine oxide 生成 1,3-dihydro-1'[2-(dimethylphosphinyl)ethyl]-3-phenylspiro[isobenzofuran-1,4'-piperidine] 、 1,3-dihydro-1'-[(3-dimethylphosphinyl)propyl]-3-phenylspiro[isobenzofuran-1,4'-piperidine]