Substituent Effect on the Asymmetric Induction with  (1R,2S,5R)-and (1S,2R,5S)-menthol Auxiliaries

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DC Field	Value	Language
dc.contributor.author	MUSTAFA ER	-
dc.contributor.author	NECDFT COSKUN	-
dc.date.accessioned	2023-10-31T04:24:25Z	-
dc.date.available	2023-10-31T04:24:25Z	-
dc.date.issued	2010-04-13	-
dc.identifier.citation	Er, M. (2010). Substituent Effect on the Asymmetric Induction with (1R, 2S, 5R)-and (1S, 2R, 5S)-menthol Auxiliaries.	en_US
dc.identifier.issn	0253-5106	-
dc.identifier.uri	http://142.54.178.187:9060/xmlui/handle/123456789/19889	-
dc.description.abstract	Substituted benzaldehydes reacts in cis-diastereoselective manner with menthyl haloacetates in the presence of phase transfer catalyst and a base in THF at room temperature to give the corresponding 3-aryloxirane-2-carboxylates (2/3a-h) in moderate to high yields. The magnitude of asymmetric induction in the latter reaction was quantified by a Hammett type equation log(2/3)X = rsI + log(2/3)X=H. The stereochemistry of compounds 2 and 3 was elucidated by correlation with (4S,5R)-2,4-diphenyl-4,5-dihydrooxazole-5-carboxylic acid (+)-8 as well as its enantiomer (-)-8.	en_US
dc.description.sponsorship	The chemical society of Pakistan is an approved society from the PSF.	en_US
dc.language.iso	en	en_US
dc.publisher	HEJ Research Institute of Chemistry, University of Karachi, Karachi.	en_US
dc.title	Substituent Effect on the Asymmetric Induction with (1R,2S,5R)-and (1S,2R,5S)-menthol Auxiliaries	en_US
dc.type	Article	en_US
Appears in Collections:	Issue 02

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