Calcium(II) catalyzed regioselective dehydrative cross-coupling reactions: Practical synthesis of internal alkenes and benzopyrans
Calcium(II) catalyzed regioselective dehydrative cross-coupling reactions: Practical synthesis of internal alkenes and benzopyrans
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Date
2016-01-01
Authors
Yaragorla, Srinivasarao
Pareek, Abhishek
Dada, Ravikrishna
Almansour, Abdulrahman I.
Arumugam, Natarajan
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Abstract
A simple and operationally easy protocol for the regioselective synthesis of internal alkenes through a dehydrative cross-coupling and direct coupling procedure has been described using the environmentally benign Ca(II) catalyst. Several alkenes and alcohols underwent the coupling reaction under solvent-free conditions in a short time to produce the desired alkenes. This method is further extended to show the application in the synthesis of novel benzopyran molecules through a cascade strategy.
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Keywords
Benzopyrans,
Calcium catalysis,
Cascade synthesis,
Dehydrative cross coupling reaction,
Green synthesis,
Internal alkenes
Citation
Tetrahedron Letters. v.57(52)