Regiospecific and stereoselective synthesis of (1E,3Z)-3-cyano-butadienylphosphonates

被引：9

作者：

Shen, YC ^{[1
]}

Jiang, GF ^{[1
]}

Sun, J ^{[1
]}

机构：

[1] Acad Sinica, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1999年 / 23期

关键词：

D O I：

10.1039/a905941e

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Treatment of a catalytic amount of DBU (20 mol%) with a mixture of diethyl 3-cyanoallylphosphonate 1 and N-tosylsulfonylimines 2 gave diethyl 3- cyanobuta-1,3-dienylphosphonates 3 in 72-83% yields. All the products (3a-3h) are assigned 1E ,3Z configurations on the basis of the crystal structure of diethyl (1E,3Z)-3-cyano-4-naphthylbuta-1,3- dienylphosphonate (3h), the proton NMR spectra and the proposed reaction mechanism.

引用

页码：3495 / 3498

页数：4

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