Benzocyclynes adhere to Huckel's rule by the ring current criterion in experiment (1H NMR) and theory (NICS)

被引：63

作者：

Matzger, AJ

Vollhardt, KPC ^{[1
]}

机构：

[1] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Chem Sci, Berkeley, CA 94720 USA

来源：

TETRAHEDRON LETTERS | 1998年 / 39卷 / 38期

关键词：

annulenes; aromaticity; cycloalkynes; NMR;

D O I：

10.1016/S0040-4039(98)01441-5

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

The experimental H-1 NMR chemical shift values of six benzocyclynes (benzodehydroannulenes) have been assigned and, in combination with nucleus-independent chemical shift (NICS) calculations, shown to indicate diatropic behavior for 4n+2, paratropic behavior for 4n pi systems. (C) 1998 Elsevier Science Ltd. All rights reserved.

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页码：6791 / 6794

页数：4

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