Sun Yan
2010
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Journal
Journal of Henan University of Science & Technology
Abstract
With ethyl acetoaceate,2-methyl-acetoaceate,ethyl 6-bromohexanoate,and 4-hydrazinebenzene sulfonic acid,8-oxononanoic acid and 7-methyl-8-oxononanoic acid were obtained from the reactions of nucleophilic substitution,saponification,acidification,arylation and decarboxylation.8-oxononanoic acid and 7-methyl-8-oxononanoic acid reacted respectively with 4-hydrazinebenzene sulfonic acid throuth Fischer Indole methodology,6-(2-methyl-5-sulfo-1H-indol-3-yl)hexanoic acid and 6-(2,3-dimethyl-5-sulfo-1H-indol-3-yl)hexanoic acid inner salt were first synthesized by 58% and 52% respectively.