The addition of either SF5Br or SF5Cl to a number of unsaturated esters is discussed. The new SF5 esters, SF5CH2CHBr(OAc), SF5CH2CHBrC(O)OC2H5, SF5CH(C(O)OC2H5)CHBr(OAc) and SF5CH2CHClCH2OAc, were prepared from vinyl acetate, ethyl acrylate, β-acetoxyethyl acrylate and allyl acetate, respectively (OAcCH3C(O)O). The ester SF5CH2C(O)OCH3 was prepared by peracid oxidation of the acetal SF5CH2CH(OCH3)2
讨论了向许多不饱和酯中添加SF 5 Br或SF 5 Cl。新型SF 5酯,SF 5 CH 2
CHBr(OAc),SF 5 CH 2
CHBrC(O)OC 2 H 5,SF 5 CH(C(O)OC 2 H 5)
CHBr(OAc)和SF 5 CH 2分别由
乙酸乙烯酯,
丙烯酸乙酯,
丙烯酸β-乙酰氧基
乙酯和
乙酸烯丙酯(OAc = CH 3 C(O)O)制备CHClCH 2 OAc 。酯SF 5 CH 2 C(O)OCH 3
缩醛SF 5 CH 2 CH(OCH 3)2的过酸氧化反应制得了Sn 。SF 5 CH 2 CHClCH 2 OAc的碱处理未得到
环氧化物,但是出乎意料地产生了新型SF 5 CH = CHCH 2 OH。该醇是含SF 5的烯醇的第一个实例。