Novel synthesis of highly functionalized pyrazolines and pyrazoles by triphenylphosphine-mediated reaction of dialkyl azodicarboxylate with allenic esters

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DC Field	Value	Language
dc.contributor.author	Vijay Nair, G	-
dc.contributor.author	Biju, A T	-
dc.contributor.author	Kishor Mohanan	-
dc.contributor.author	Suresh, E	-
dc.date.accessioned	2016-01-18T07:59:58Z	-
dc.date.available	2016-01-18T07:59:58Z	-
dc.date.issued	2006	-
dc.identifier.citation	Organic Letters 8(11):2213-2216;25 May 2006	en_US
dc.identifier.issn	1523-7060	-
dc.identifier.uri	http://ir.niist.res.in:8080/jspui/handle/123456789/2173	-
dc.description.abstract	Reaction of the Huisgen zwitterion, derived from triphenylphosphine and dialkyl azodicarboxylate, with allenic esters affords highly functionalized pyrazolines and pyrazoles. The crystal structure of pyrazoline derivative 7a showed extensive C-H center dot center dot center dot O interactions. Pyrazole formation proceeds via a novel nitrogen to carbon migration of the carboalkoxy group.	en_US
dc.language.iso	en	en_US
dc.publisher	American Chemical Society	en_US
dc.subject	Phosphine catalyzed synthesis	en_US
dc.subject	Mitsunobu reaction	en_US
dc.subject	Diethyl azodicarboxylate	en_US
dc.subject	Carbonyl compounds	en_US
dc.subject	4+2 Annulation	en_US
dc.subject	Cycloaddition	en_US
dc.title	Novel synthesis of highly functionalized pyrazolines and pyrazoles by triphenylphosphine-mediated reaction of dialkyl azodicarboxylate with allenic esters	en_US
dc.type	Article	en_US
Appears in Collections:	2006

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