Silver-catalyzed stereoselective C-4 arylthiodifluoromethylation of coumarin-3-carboxylic acids via a double decarboxylative strategy
A facile silver-catalyzed dual decarboxylation of arylthio-difluoroacetic acid with coumarin-3-carboxylic acids/chromone-3-carboxylic acids was developed. This method provided a unique way to synthesize a series of C-4 arylthiodifluoromethylated 3,4-dihydrcoumarins/C-2 arylthiodifluoromethylated chromanones...
2014 ◽
Vol 591
◽
pp. 301-305
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1962 ◽
Vol 18
(4)
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pp. 1059-1064
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