Pyrolytic electrocyclization of arylmethylidene derivatives of glutacononitrile; Synthesis of dihydroaromatic 1,3-dinitriles

被引：5

作者：

Banciu, MD ^{[1
]}

Brown, RFC ^{[1
]}

Coulston, KJ ^{[1
]}

Eastwood, FW ^{[1
]}

Macrae, T ^{[1
]}

机构：

[1] Monash Univ, Dept Chem, Clayton, Vic 3168, Australia

来源：

AUSTRALIAN JOURNAL OF CHEMISTRY | 1998年 / 51卷 / 08期

关键词：

D O I：

10.1071/C98040

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Condensation of seven aromatic aldehydes (la-g) with glutacononitrile (2) gave 4-(arylmethylidene) pent-2-enedinitriles (3a-g). Flash vacuum pyrolysis of the dinitriles (3a-g) at 750 degrees/0.02-0.03 mm gives annulated dihydroaromatic 1,3-dicarbonitriles by electrocyclic ring closure of (3). Fully aromatized products formed by secondary loss of H-2 or HCN are also obtained.

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页码：695 / 701

页数：7

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