Boron Trifluoride-assisted Reactions of 1-Benzothiophen-3(2H)-one with Various Ketones: A Convenient Entry to 2-Methylene-1 -benzothiophen-3(2H)-one and/or 6H-Di[1]benzothieno[3,2-b:2,3-e]pyran Derivatives | NobleID
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Boron Trifluoride-assisted Reactions of 1-Benzothiophen-3(2H)-one with Various Ketones: A Convenient Entry to 2-Methylene-1 -benzothiophen-3(2H)-one and/or 6H-Di[1]benzothieno[3,2-b:2,3-e]pyran Derivatives
