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Hafnium-Centered Lewis Acids in Organic Chemistry

✍ Scribed by Keisuke Suzuki; Shigeo Yamanoi

Publisher
John Wiley and Sons
Year
2003
Weight
49 KB
Volume
34
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

For Abstract see ChemInform Abstract in Full Text.

πŸ“œ SIMILAR VOLUMES

Increased Lewis Acidity in Hafnium-Subst
Increased Lewis Acidity in Hafnium-Substituted Polyoxotungstates.
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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

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## Abstract Monolacunary polyoxotungstates [Ξ±~1~‐P~2~W~17~O~61~]^10βˆ’^ and [α‐PW~11~O~39~]^7βˆ’^ react with HfCl~4~ to yield [Ξ±~1~‐HfP~2~W~17~O~61~]^6βˆ’^ and [α‐Hf(OH)PW~11~O~39~]^4βˆ’^, isolated as organo‐soluble tetrabutylammonium (TBA) salts. Subsequent analyses, including mass spectrometry, show that