PROTONATION OF SOME 5-SUBSTITUTED 2-ACETYLTHIOPHENES IN SULFURIC-ACID

被引:0
作者
NOTO, R
GRUTTADAURIA, M
ARNONE, C
LAMARTINA, L
SPINELLI, D
机构
[1] DIPARTIMENTO CHIM ORGAN A MANGINI,VIA S DONATO 15,I-40127 BOLOGNA,ITALY
[2] DIPARTIMENTO CHIM ORGAN,I-90123 PALERMO,ITALY
[3] DIPARTIMENTO CHIM & TECHNOL FARMACEUT,I-90123 PALERMO,ITALY
来源
JOURNAL OF CHEMICAL RESEARCH-S | 1993年 / 07期
关键词
D O I
暂无
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A study of the tide reaction has demonstrated a substituent effect on pK(BH+) larger than that known for the analogous reaction of 4-substituted acetophenones, giving further evidence for the larger substituent-ring-acetyl group interactions in thiophene than in benzene derivatives.
引用
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页码:274 / 275
页数:2
相关论文
共 27 条
[1]  
BAGNO A, 1987, B SOC CHIM FR, P563
[2]   STABILITY AND SOLVATION OF ORGANIC CATIONS [J].
BAGNO, A ;
SCORRANO, G ;
OFERRALL, RAM .
REVIEWS OF CHEMICAL INTERMEDIATES, 1987, 7 (04) :313-352
[3]   EXCESS ACIDITIES - GENERALIZED METHOD FOR DETERMINATION OF BASICITIES IN AQUEOUS ACID MIXTURES [J].
COX, RA ;
YATES, K .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (12) :3861-3867
[4]   EXCESS ACIDITY METHOD - BASICITIES, AND RATES AND MECHANISMS OF ENOLIZATION, OF SOME ACETOPHENONES AND ACETONE, IN MODERATELY CONCENTRATED SULFURIC-ACID [J].
COX, RA ;
SMITH, CR ;
YATES, K .
CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1979, 57 (22) :2952-2959
[5]   O-17 NMR-SPECTROSCOPY OF BENZOYL COMPOUNDS Y-C6H4-COX - SENSITIVITY TO RING SUBSTITUENTS AS A MEASURE OF THE ELECTRON DEMAND OF THE CARBONYL GROUP [J].
DAHN, H ;
PECHY, P ;
TOAN, VV .
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION IN ENGLISH, 1990, 29 (06) :647-648
[6]   ON THE NATURE OF RESONANCE INTERACTIONS IN SUBSTITUTED BENZENES .3. A C-13 NUCLEAR-MAGNETIC-RESONANCE STUDY OF SUBSTITUENT EFFECTS IN 4-SUBSTITUTED BENZAMIDES AND METHYL BENZOATES IN DIMETHYL-SULFOXIDE [J].
DELLERBA, C ;
MELE, A ;
NOVI, M ;
PETRILLO, G ;
SANCASSAN, F ;
SPINELLI, D .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1990, (12) :2055-2058
[7]   C-13 NUCLEAR MAGNETIC-RESONANCE STUDY ON THE NATURE OF RESONANCE INTERACTIONS IN 4-SUBSTITUTED BENZONITRILES, ACETOPHENONES, AND METHYL BENZOATES [J].
DELLERBA, C ;
SANCASSAN, F ;
NOVI, M ;
PETRILLO, G ;
MUGNOLI, A ;
SPINELLI, D ;
CONSIGLIO, G ;
GATTI, P .
JOURNAL OF ORGANIC CHEMISTRY, 1988, 53 (15) :3564-3568
[8]   THE PROTONATION OF SOME 3-SUBSTITUTED 2-(N,N-DIALKYLAMINO)-5-NITROTHIOPHENES [J].
DEMARIA, P ;
NOTO, R ;
CONSIGLIO, G ;
SPINELLI, D .
JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, 1989, (07) :791-795
[9]  
Ehrenson S., 1973, PROGR PHYS ORG CHEM, V10, P1, DOI DOI 10.1002/9780470171899.CH1
[10]  
Exner O., 1978, CORRELATION ANAL CHE