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Novel De-Acylative Ring Opening of 3-Acetyl and 3-Bromo Acetyl Coumarins

Yaragatti, Naazneen B and Kulkarni, Manohar V and Kumar, Gudibande NA and Gururow, Tayur N (2012) Novel De-Acylative Ring Opening of 3-Acetyl and 3-Bromo Acetyl Coumarins. In: Letters in Organic Chemistry, 9 (8). pp. 594-597.

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Official URL: http://dx.doi.org/10.2174/157017812802850294


Reaction of 3-acetyl and 3-bromoacetyl coumarins with hydrazine hydrate has resulted in the ring opening of the coumarin moiety. The reaction was attempted with a view to obtain some new pyridazinones and pyrazolones. The reaction did not proceed via the expected pathway instead led to the formation of salicyl azines, the structure of which has been confirmed by single crystal X-ray studies.

Item Type: Journal Article
Additional Information: Copyright for this article is belongs to Bentham Science Publishers.
Keywords: 3-Acetylcoumarins;3-bromoacetyl coumarins;4-bromomethyl coumarins;de-acylation;ring opening
Department/Centre: Division of Chemical Sciences > Solid State & Structural Chemistry Unit
Depositing User: Id for Latest eprints
Date Deposited: 30 Nov 2012 07:41
Last Modified: 30 Nov 2012 07:41
URI: http://eprints.iisc.ac.in/id/eprint/45191

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