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A novel synthetic route for the synthesis of 4,6-diaryl-2-methyl-1,3-benzoxazoles

✍ Scribed by V. Sridharan; S. Muthusubramanian; S. Sivasubramanian

Publisher: Journal of Heterocyclic Chemistry
Year: 2005
Tongue: English
Weight: 141 KB
Volume: 42
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570420711

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✦ Synopsis

A new synthetic route was developed for the synthesis of 4,6-diaryl-2-methyl-1,3-benzoxazoles and their hydrogenated derivatives. The target compounds were obtained via the Neber rearrangement from 3,5diaryl-2-cyclohexen-1-ones. The formation of the isomers in the dihydro derivatives was explained by the [1,5] sigmatropic shift of hydrogen under thermal condition. DDQ was employed for the dehydrogenation of the dihydro benzoxazoles.

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