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Synthese von fungicid wirksamen (1H‐1,2,4‐Triazol‐1‐yl‐methyl)silanen und ‐siloxanen

 

作者: Falk Liebner,   Uwe Bankwitz,   Klaus Rühlmann,  

 

期刊: Liebigs Annalen der Chemie  (WILEY Available online 1994)
卷期: Volume 1994, issue 2  

页码: 145-150

 

ISSN:0170-2041

 

年代: 1994

 

DOI:10.1002/jlac.199419940207

 

出版商: WILEY‐VCH Verlag

 

关键词: Fungicides;Silanes;Siloxanes;1,2,4‐Triazoles

 

数据来源: WILEY

 

摘要:

Synthesis of Fungicidal (1H‐1,2,4‐Triazol‐1‐yl‐methyl)silanes and ‐siloxanesThe synthesis of FlusilazoleTM(1a) was substantially improved by thorough exclusion of oxygen nucleophiles in the reaction of (chloromethyl)bis(4‐fluorophenyl)methylsilane with sodium 1H‐1,2,4‐triazolide. New α,α‐diaryl‐α‐(1H‐1,2,4‐triazol‐1‐yl‐methyl)siloxanes3were obtained firstly from diaryl(1H‐1,2,4‐triazol‐1‐yl‐methyl)silanols or ‐silanolates, which were prepared by different methods from the corresponding silanol hydrochlorides and further treated with functional, linear oligodimethylsiloxanes or secondly from α,α‐diaryl‐α‐(chloromethyl)siloxanes and 1‐(trimethylsilyl)‐1H‐1,2,4‐triazole. The siloxane4containing a triazolylmethyl group and additionally silicofunctional coupling groups could be synthesized by hydrosilyla

 

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