[2.2](2,5)PYRIMIDINOPHANES - SYNTHESIS AND MOLECULAR-STRUCTURE

被引：6

作者：

EIERMANN, U ^{[1
]}

KRIEGER, C ^{[1
]}

NEUGEBAUER, FA ^{[1
]}

机构：

[1] MAX PLANCK INST MED RES,ORGAN CHEM ABT,JAHNSTR 29,W-6900 HEIDELBERG 1,GERMANY

来源：

CHEMISCHE BERICHTE | 1990年 / 123卷 / 09期

关键词：

Pyrimidine derivatives; Pyrimidinophanes; Sulfur extrusion; photolytic;

D O I：

10.1002/cber.19901230921

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The title compounds 1 and 2 are synthesized by photolytic sulfur extrusion from the 2,11‐dithia[3.3](2,5)pyrimidinophane 17. The molecular structures of 1 and 2 are determined by X‐ray structure analysis and are discussed with regard to the steric strain in these molecules. Thermolysis of [(5‐methyl‐2‐pyrimidinyl]methyl]‐ or [(2‐methyl‐5‐pyrimidinyl)methyl]‐trimethylammonium hydroxide (10 or 11) does not generate 1 and 2. α‐Chlorination of 2,5‐dimethylpyrimidine (3) with N‐chlorosuccinimide provides the required precursors 4–6. Copyright © 1990 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim

引用

页码：1885 / 1889

页数：5

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