Aliphatic dicarboxylic acid aluminum isopropoxide and preparation method and application thereof
A dibasic carboxylic acid isopropanol, aliphatic technology, applied in the application field of preparing pesticide intermediate furan phenol, can solve the problems that cannot be controlled by reaction temperature, reduce selectivity and the like, and achieve the effects of simple preparation and convenient use
Active Publication Date: 2010-09-22
HUNAN HAILI ZHUZHOU FINE CHEM +1
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Problems solved by technology
The activation energy required for the Claisen rearrangement reaction is higher than the activation energy required for the Cope rearrangement. In the reaction of 2-(2-methallyloxy)phenol to prepare furanol by Claisen rearrangement, it is not possible to control the reaction temperature from the perspective of thermodynamics. Upper inhibition of Cope rearrangement or reduction of its selectivity
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The invention discloses aliphatic dicarboxylic acid aluminum isopropoxide, which has a chemical structural formula shown as the figure I. A method for preparing the aliphatic dicarboxylic acid aluminum isopropoxide comprises the following steps of: stirring aluminum isopropoxide and aliphatic dicarboxylic acid at the temperature of between 25 and 80 DEG C to perform reaction, and performing rotary evaporation to recycle isopropanol and cooling the reaction product to prepare the aliphatic dicarboxylic acid aluminum isopropoxide (I). The aliphatic dicarboxylic acid aluminum isopropoxide is used for preparing 2-(2-methyl-allyloxy) phenol by catalysis, wherein n is selected from 2, 3, 4, 5 to 8.
Description
technical field The invention relates to aluminum isopropoxide of aliphatic dibasic carboxylate and its preparation method and application. Specifically, it is aluminum isopropoxide of aliphatic dibasic carboxylic acid, its preparation method and its application in the preparation of furanol, a pesticide intermediate. Background technique Guan Aiguo etc. (CN1858309A) have described the preparation method of isopropoxy distearoyl aluminum, diisopropoxystearoyl aluminum; Application of aluminum acrylic acid as an additive in the textile industry; Finmans et al. (CN1832913A) describe aluminum diisopropoxide monoacrylate prepared in solution; study the application of aluminum diisopropoxide monoacrylate as an additive in the coatings industry ; Japanese Patent (JP 2008138193A) describes aluminum acetate diisopropoxide; studies the application of aluminum acetate diisopropoxide in ink industry. Chinese patent (CN101402649) describes fatty acid aluminum isopropoxide and its prep...
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IPC IPC(8): C07F5/06C07D307/86B01J31/14
Inventor 胡艾希罗先福王宇张建宇
Owner HUNAN HAILI ZHUZHOU FINE CHEM
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