A NEW METHOD FOR GENERATION OF 4-ARYL AND 6-ARYL THIENO[2,3-C]FURANS, AND 3-ARYL FURO[3,4-B]PYRIDINE

被引：28

作者：

KURODA, T ^{[1
]}

TAKAHASHI, M ^{[1
]}

OGIKU, T ^{[1
]}

OHMIZU, H ^{[1
]}

KONDO, K ^{[1
]}

IWASAKI, T ^{[1
]}

机构：

[1] TANABE SEIYAKU CO LTD,DEPT SYNTHET CHEM,APPL BIOCHEM RES LAB,3-16-89 KASHIMA,YODOGAWA KU,OSAKA 532,JAPAN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-CHEMICAL COMMUNICATIONS | 1991年 / 22期

关键词：

D O I：

10.1039/c39910001635

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

6-Aryl thieno[2,3-c]furans 2a-c, 4-(3,4-dimethoxyphenyl)thieno[2,3-c]furan 3a, and 3-(3,4-dimethoxyphenyl)furo[3,4-b]pyridine 4a, which were intercepted in situ by dimethyl acetylenedicarboxylate to give the corresponding Diels-Alder adducts in good yields, were generated under acidic conditions from 2-(alpha-acetoxybenzyl)thiophene-3-carbaldehydes 5a-c, 3-(alpha-acetoxy-3,4-dimethoxybenzyl)thiophene-2-carbaldehyde 10a and 2-(alpha-acetoxy-3,4-dimethoxybenzyl)pyridine-3-carbaldehyde 12a, respectively.

引用

页码：1635 / 1636

页数：2

共 9 条

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