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stearic acid 合成工艺路线路线简述
- 合成目标产物 Barium Stearate 主要起始原料 Stearic Acid
- (文献来源)合成步骤主要原料 Stearic Acid
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专利信息
专利号:US-6482977-B1
优先权日:2000-07-28
标 题:Melt process for the synthesis of diaryl esters of aliphatic diacids
发明人:WHITNEY JOHN MORGAN; FABER REIN MOLLERUS; BOVEN GEERT; LENS JAN-PLEUN
权利人:GEN ELECTRIC
摘要:This invention relates to a method for preparing diaryl esters, comprising the step of reacting a mixture comprising diaryl carbonate and a dicarboxylic acid, wherein 2.005 to 2.2 molar equivalents of diaryl carbonate per molar equivalent of dicarboxylic acid are provided.
专利号:US-3816473-A
优先权日:1971-11-08
标 题:Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl n-methyl-carbamate
发明人:SERBAN A; ENGEL P
权利人:ICI AUSTRALIA LTD
摘要:A PROCESS FOR THE PREPARATION OF CARBORFURAN WHICH PROCESS COMPRISES CONVERTING A-ISOPROPYPHENOL TO 2,3-DIHYDRO-2,2-DIMETHYL-7-ISOPROPYLBENZOFURAN (I); REACTING (I) WITH AN OXYGEN CONTAINING GAS TO FORM 2-(2,3-DIHYDRO2,2-DIMETHYL-7-BENZOFURANYL)-ISOPROPYL HYDROPEROXIDE (II); CATALYTICALLY DECOMPOSING (II) TO FORM 2,3-DIHYDRO2,2-DIMETHYL-7-HYDROXYBENZOFURAN (III); REACTING (III) WITH METHYL ISOCYANATE TO FORM 2,3-DIHYDRO-2,2-DIMETHYL7-BENZOFURANYL N-METHYLCARBAMATE (CARBOFURAN) AND RECOVERING SAID CARBAMATE. NEW COMPOUNDS USEFUL AS INTERMEDIATES IN THE ABOVE PROCESS ARE ALSO DESCRIBED.
专利号:US-3876667-A
优先权日:1971-11-08
标题:Synthesis of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl-n-methyl carbamate starting from ortho-isopropylphenol and methallyl halide
发明人:SERBAN ALEXANDER; ENGEL PHILLIP KNOX
权利人:ICI AUSTRALIA LTD
摘要:A process for the preparation of carbofuran which process comprises converting o-isopropylphenol to 2,3-dihhydro-2,2dimethyl-7-isopropylbenzofuran (I); reacting (I) with an oxygen gas to form 2-(2,3-dihydro-2,2-dimethyl-7-benzofuranyl)-isopropyl hydroperoxide (II); catalytically decomposing (II) to form 2,3dihydro-2,2-dimethyl-7-hydroxybenzofuran (III); reacting (III) with methyl isocyanate to form 2,3-dihydro-2,2-dimethyl-7benzofuranyl N-methylcarbamate (carbofuran) and recovering said carbamate. New compounds useful as intermediates in the above process are also described.
专利号:US-2023093326-A1
优先权日:2020-06-19
标 题 :Polyester Carbonates on the Basis of Cycloaliphatic Diacids, 1,4:3,6-Dianhydrohexitol and Specific Amounts of an Additional Aliphatic Dihydroxy Compound
发明人:MEYER ALEXANDER; SCHULZ LUKAS FABIAN; PFINGST THOMAS
权利人:COVESTRO DEUTSCHLAND AG
摘要:The present invention relates to a process for preparing a polyester carbonate on the basis of cycloaliphatic diacids and at least one 1,4:3,6-dianhydrohexitol and at least one additional aliphatic dihydroxy compound, to the polyester carbonate prepared according to the process and to a molding compound and a molding body containing the polyester carbonate. The process according to the invention is a direct synthesis, in which all structural elements forming the subsequent polyester carbonate are present as monomers already in the first process step. It is characterized in that a specific ratio of 1,4:3,6-dianhydrohexitol and the at least one additional aliphatic dihydroxy compound is advantageous.
专利号:EP-1307421-B1
优先权日:2000-07-28
标 题:Process for the synthesis of diaryl esters of dicarboxylic acids
专利号:EP-1307421-A1
优先权日:2000-07-28
标题 :Process for the synthesis of diaryl esters of dicarboxylic acids