Synthesis of titanium(iv) 3,6-di-tert-butylcatecholate complexes

Two synthetic approaches were used for the synthesis of 3,6-di- tert -butylcatecholate derivatives of titanium( iv ). These approaches are based on the exchange reaction between sodium catecholate and titanium( iv ) chloride and the reaction of 3,6-di- tert -butylpyrocatechol with titanium tetrabuto...

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Bibliographic Details
Published in:Russian chemical bulletin 2019-07, Vol.68 (7), p.1414-1423
Main Authors: Meshcheryakova, I. N., Shavyrin, A. S., Cherkasov, A. V., Piskunov, A. V.
Format: Article
Language:English
Subjects:
Bimetals
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Derivatives
Full Articles
Inorganic Chemistry
Organic Chemistry
Titanium
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Summary:Two synthetic approaches were used for the synthesis of 3,6-di- tert -butylcatecholate derivatives of titanium( iv ). These approaches are based on the exchange reaction between sodium catecholate and titanium( iv ) chloride and the reaction of 3,6-di- tert -butylpyrocatechol with titanium tetrabutoxide. Depending on the reaction conditions, the former method allows the synthesis of the titanium monocatecholate complex 3,6-CatTiCl2(THF) 2 (3,6-Cat is doubly deprotonated 3,6-di- tert -butylpyrocatechol) or bimetallic sodium titanium catecholate derivatives. Using the latter method, it is possible to synthesize six-coordinate titanium( iv ) bis-cate-cholate complexes in high yields after the introduction of neutral bidentate donor ligands (TMEDA, DME, 2,2′-bipyridyl) to the reaction mixture.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-019-2570-8