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An efficient photocatalytic oxidative/reductive cyclization reaction of N-cyanamide alkenes with arylsulfinic acids or arylsulfonyl chlorides, which proceeds through C-S, C-C, and C-N bond formations, is reported. This photocatalytic reaction was… Click to show full abstract
An efficient photocatalytic oxidative/reductive cyclization reaction of N-cyanamide alkenes with arylsulfinic acids or arylsulfonyl chlorides, which proceeds through C-S, C-C, and C-N bond formations, is reported. This photocatalytic reaction was carried out under mild conditions, which provides a new strategy for the synthesis of sulfonated quinazolinones. Furthermore, a one-pot procedure to achieve terminal alkenes has been explored via elimination of the obtained sulfonated quinazolinones under basic conditions.
Journal Title: Organic letters
Year Published: 2017
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