Redetermination of sigma(+) constants for heteroaromatic rings. Oxygen-17 chemical shifts of trifluoroacetyl substituents and solvolytic reactivities of heteroaromatic analogs of 1-tert-butylbenzyl halides

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/28431

Title:	Redetermination of sigma(+) constants for heteroaromatic rings. Oxygen-17 chemical shifts of trifluoroacetyl substituents and solvolytic reactivities of heteroaromatic analogs of 1-tert-butylbenzyl halides
Authors:	Liu,KT;Tuan,YF
Contributors:	中央大學
Keywords:	SCALE;NITROBENZOATES
Date:	1996
Issue Date:	2010-06-29 19:48:45 (UTC+8)
Publisher:	化學研究所
Abstract:	The replacement substituent constants sigma(+), for some five-membered heteroaromatic rings were determined from O-17 NMR substituent chemical shifts of the carbonyl group in trifluoroacetyl derivatives, and from log ks for solvolyses of heteroaryl analogs of 1-tert-butylbenzyl bromide and chloride. No agreement with literature values could be found. Preliminary accounts of such observations are given.
Relation:	PURE AND APPLIED CHEMISTRY
Appears in Collections:	[Graduate Institute of Chemistry] journal & Dissertation

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