A convenient and effective procedure was developed for the conversion of alcohol to olefin by tosylation and subsequent β-elimination promoted by silica gel in this study. Treatment of the alcohols with p-toluenesulf...A convenient and effective procedure was developed for the conversion of alcohol to olefin by tosylation and subsequent β-elimination promoted by silica gel in this study. Treatment of the alcohols with p-toluenesulfonyl chloride in pyridine at 0℃ af- fords tosylates which undergo β-elimination with silica gel in dichloromethane or chloroform at room temperature, yielding olefins with high productivity.展开更多
C9H6N2O5S2 is monoclinic, space group P21/n, for 1278 observed reflections . The result indicates clearly the sul-fonylation takes place at oxygen. According to the data of bond lengths, the isothiazole ring displays ...C9H6N2O5S2 is monoclinic, space group P21/n, for 1278 observed reflections . The result indicates clearly the sul-fonylation takes place at oxygen. According to the data of bond lengths, the isothiazole ring displays aromaticity in some way.展开更多
文摘A convenient and effective procedure was developed for the conversion of alcohol to olefin by tosylation and subsequent β-elimination promoted by silica gel in this study. Treatment of the alcohols with p-toluenesulfonyl chloride in pyridine at 0℃ af- fords tosylates which undergo β-elimination with silica gel in dichloromethane or chloroform at room temperature, yielding olefins with high productivity.
文摘C9H6N2O5S2 is monoclinic, space group P21/n, for 1278 observed reflections . The result indicates clearly the sul-fonylation takes place at oxygen. According to the data of bond lengths, the isothiazole ring displays aromaticity in some way.