Reactions of nucleophiles with 5-(alkoxy
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Bo Liu; Henry J. Shine; Wenyi Zhao
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Article
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1999
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John Wiley and Sons
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English
โ 113 KB
Reactions of 5-(alkoxy)thianthrenium perchlorates (1) with weakly basic nucleophiles Br ร , I ร and PhS ร (X ร ) in MeCN and DMSO led to S N 2 substitution, E2C elimination, and reaction at sulfonium sulfur to extents depending on the structure of the alkoxy group (RO) in 1 and the nucleophile. Thre