A well-defined hydrocarbon-soluble calcium hydroxide: Synthesis, structure, and reactivity

被引：58
|
作者：
Ruspic, Christian
Nembenna, Sharanappa
Hofmeister, Anja
Magull, Joerg
Harder, Sjoerd
Roesky, Herbert W.
机构：
[1] Univ Duisburg Essen, D-45117 Essen, Germany
[2] Univ Gottingen, Inst Anorgan Chem, D-37077 Gottingen, Germany
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2006年 / 128卷 / 46期
关键词：
D O I：
10.1021/ja065631t
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Controlled hydrolysis of a (beta-diketiminate)calcium-amide gave a heteroleptic (beta-diketiminate)calcium-hydroxide complex that is remarkably stable against ligand exchange and formation of Ca(OH)(2). The structure of this dimeric complex shows OH- units that symmetrically bridge the Ca2+ ions. This hydrocarbon-soluble calcium hydroxide reacted rapidly with CO2 to produce a gel from which amorphous CaCO3 slowly separated. This reaction behavior allows for sol-gel coating with CaCO3 from an organic solvent. Reaction with benzophenone did not lead to nucleophilic attack of OH- to the carbonyl but gave a red benzophenone adduct instead.
引用
收藏
页码：15000 / 15004
页数：5
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