Zhang Guang-gui
2009
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Journal
Journal of Lanzhou University of Technology
Abstract
High-purity 2-(4-fluorophenylsulfonyl) ethylamine hydrochloride was obtained with Gabriel synthesis from ethanolammonia as raw material through substitution,oxidation,hydrazine and acidification,with a total yield of 21.2% of the resultant.The structure of the resultant was characterized with IR and 1H NMR.The best reaction conditions were as follows: 115 ℃,3 h,n(30% H2O2):n(sulfide)= 5︰1 for oxidation reaction and 80 ℃,5 h,a little extra hydrazine hydration for hydrazine reaction.