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Synthese und Reduktion des Tetra‐tert‐butyltetraoxocalix[4]arens

 

作者: Gerhard Görmar,   Klaus Seiffarth,   Manfred Schulz,   Jochen Zimmermann,   Gesina Flämig,  

 

期刊: Die Makromolekulare Chemie  （WILEY Available online 1990）
卷期: Volume 191, issue 1  

页码: 81-87

 

ISSN:0025-116X

 

年代: 1990

 

DOI:10.1002/macp.1990.021910106

 

出版商: Hüthig&Wepf Verlag

 

数据来源: WILEY

 

摘要:

Abstract5,11,17,23‐Tetra‐tert‐butyl‐25,26,27,28‐tetrahydroxy‐2,8,14,20‐tetraoxocalix[4]arene (4) was synthesized by oxidation of the tetraacetate of 5,11,17,23‐tetra‐tert‐butyl‐25,26,27,28‐tetrahydroxycalix[4]arene (1). Compound4was characterized by chemical and spectroscopic methods. Reduction of4with hydrazine forms the starting material1. 4reacts with sodium borohydride to give 5,11,17,23‐tetra‐tert‐butyl‐2,8,14,20,25,26,27,

 

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