The role of the lifetimes of ion-neutral complexes in gas-phase electrophilic aromatic substitution

被引：3

作者：

Aschi, M

Attina, M

D'Arcangelo, G

机构：

[1] Univ Rome La Sapienza, Dipartimento Studi Chim & Tecnol Sostanze Biol At, I-00185 Rome, Italy

[2] Univ Roma Tor Vergata, Dipartimento Sci & Tecnol Chim, I-00133 Rome, Italy

来源：

CHEMICAL PHYSICS LETTERS | 1998年 / 283卷 / 5-6期

关键词：

D O I：

10.1016/S0009-2614(97)01271-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The gas-phase aromatic substitution occurring in the ion-neutral complex (INC) formed upon addition of arenium ions to proelectrophiles has been investigated by triple quadrupole mass spectrometry (TQMS). From measured cross-sections in experiments involving different arenium ions at various kinetic energy with numerous proelectrophiles, it was possible to ascertain the central role of the lifetime of INCs in dictating the efficiency of the substitution process. (C) 1998 Elsevier Science B.V.

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页码：307 / 312

页数：6

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