Ultrasound-assisted one pot synthesis of polysubstituted meta-terphenyls using ring transformation strategy

An ultrasound-assisted rapid synthesis of meta-terphenyls 9 by the carbanion-induced ring transformation reaction of 6-aryl-5-methyl-2H-pyran-2-ones 7 with functionalized ketones 8 under basic conditions at room temperature has been delineated. The present method gives an easy access to functionally...

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Bibliographic Details
Published in:Synthetic communications 2019-04, Vol.49 (8), p.1092-1102
Main Authors: Shetgaonkar, Samata E., Singh, Fateh V.
Format: Article
Language:English
Subjects:
2H-pyran-2-one
Aromatic compounds
Carbanion
Functional groups
functionalized ketones
Ketones
m-terphenyl
Reaction time
ring transformation reaction
Terphenyls
Transformations
Ultrasonic imaging
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Summary:An ultrasound-assisted rapid synthesis of meta-terphenyls 9 by the carbanion-induced ring transformation reaction of 6-aryl-5-methyl-2H-pyran-2-ones 7 with functionalized ketones 8 under basic conditions at room temperature has been delineated. The present method gives an easy access to functionally crowded m-terphenyls 9 with notable features including mild reaction condition, remarkable functional groups tolerance, shorter reaction time and high product yields.
ISSN:0039-7911
1532-2432
DOI:10.1080/00397911.2019.1591454