(4S)-2-chloro-3,4r-dimethyl-5c-phenyl-[1,3,2]oxazaphospholidine 2t-[17O]oxide 、 N,N-dibutylbutan-1-amine;ethoxy-dihydroxy-sulfanylidene-λ5-phosphane 生成 (3,4-dimethyl-2-(17O)oxidanylidene-5-phenyl-1,3,2λ5-oxazaphospholidin-2-yl)oxy-ethoxy-hydroxy-sulfanylidene-λ5-phosphane