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Bis(polyoxometalate)-organic chain-cage silsesquioxane hybrid cluster compound and preparation method thereof

A technology of polyoxometalates and silsesquioxane, which is applied in the preparation of hybrid clusters and the field of preparation of di-organic chain-cage silsesquioxane hybrid clusters, which can solve the problem of dissolution Poor performance, poor thermal stability, no self-assembly behavior, etc.

Inactive Publication Date: 2021-07-23
NANKAI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Due to their own structure and properties, polyoxometalates also have disadvantages, such as mostly inorganic crystals or powders, poor thermal stability, poor solubility, etc.
But so far, there is no research on the connection of two polyoxometalates with a cage silsesquioxane, let alone the related self-assembly behavior.

Method used

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  • Bis(polyoxometalate)-organic chain-cage silsesquioxane hybrid cluster compound and preparation method thereof
  • Bis(polyoxometalate)-organic chain-cage silsesquioxane hybrid cluster compound and preparation method thereof
  • Bis(polyoxometalate)-organic chain-cage silsesquioxane hybrid cluster compound and preparation method thereof

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Embodiment 1

[0041] A bis (multi-metal oxide) - organic chain-cage multiplier semiciloxane, is covalent by two multi-metal oxides and a cage-type semiconoxane through organic chain. The hybrid compound formed by the key is formed, and the formed compound has an accurate molecular weight 12079.43, and its chemical molecular formula is {[(N-bu) 4 N] 6 P 2 W 15 V 3 O 59 (OCH) 2 ) 3 CNHCO} 2 C 6 Hide 3 CONHCH 2 CH 2 Conh (C 31 Hide 69 Si 8 O 12 ), Two (multi-metal oxa) - organic chain - cage sedation of sedamine oxide (2pom-poss) is as follows:

[0042]

[0043] The preparation method is to reduce the nitro group to amino group by zinc powder by zinc powder (2-T-Buo-NH) 2 ), Amino groups are linked to butaric acid anhydride, resulting in bare carboxyl groups and cage-type sedamine-reactive group amino dehydration conformance (2-T-buo-Poss) ), Then tert-butyl ester is removed with trifluoroacetate, and two carboxyl groups on the benzene ring are reacted with trihydroxymethylene methane, which is ...

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Abstract

Two (polyoxometalate)-organic chain-cage silsesquioxane hybrid cluster compound and preparation method, is composed of two polyoxometalates and a cage silsesquioxane through an organic chain Covalently bonded hybrid clusters prepared by combining two polyoxometalates (Bu 4 N) 6 [H 3 P 2 W 15 V 3 o 62 ] and a cage silsesquioxane POSS‑NH 2 Linked together, organic-inorganic hybrid materials are obtained. The hybrid clusters are covalently linked by organic chains, and have precisely fixed molecular weight and molecular shape; in solution self-assembly studies, they are dissolved in acetone and added with n-decane at 25°C Volatile. During the volatilization process of acetone, the di(polyoxometalate)-organic chain-cage silsesquioxane molecules self-assembled. Through a high-power transmission microscope, in the mode of high-angle annular dark field image-scanning transmission, the A striated plate structure was observed.

Description

Technical field [0001] The present invention belongs to the preparation of bis (multi-metal oxide) - organic chain - cage multiplier semiconary oxane cyclus cluster, specific to a two (Wells-Dawson multi-metal oxa salt) - organic Preparation method of hybrid clusters of chain-cage sedaleziloxane. Background technique [0002] PolyoxometAlates, POMS is a class of clusters composed of a pre-transition metal atom (such as vanadium, molybdenum, tungsten, etc.) and center atoms (such as phosphorus, silicon, etc.). The multi-metal oxide can be divided into same polysonic and heteropoly acids according to the type therebetween. A polymeral acid salt synthesized from an oxyate is referred to as the same polycaric acid, and a multi-metal oxide synthesized from two or more oxygen-containing synthesis is referred to as a heteropoly acid. The same polysonic can be considered to be condensed by two and more than two simple syndrome molecules, and vanadium, molybdenum, tungsten, chromium, etc....

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G77/04C08G77/06
CPCC08G77/045C08G77/06
Inventor 王维张兰兰刘洪开
Owner NANKAI UNIV
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