专利号:US-10364220-B2 优先权日:2012-12-21 标题:Synthesis of succinimides and quaternary ammonium ions for use in making molecular sieves 发明人:SCHMITT KIRK D; ZUSHMA STEPHEN; BURTON ALLEN W 权利人:EXXONMOBIL CHEMICAL PATENTS INC 摘要:The present invention relates to the synthesis of succinimides, in particular to a method for the synthesis of a succinimide compound, comprising the step of reacting an alkyne, with carbon monoxide and ammonia or an amine, in the presence of an iron catalyst, wherein the reaction is carried out in an amine liquid phase and/or in the absence of an ether solvent. The succinimides may be reduced to quaternary ammonium cations which may be used as structure directing agents in the synthesis of molecular sieves.
专利号:US-4111933-A 优先权日:1976-04-30 标题:Protection of functional groups during reaction and their subsequent restoration 发明人:ECKERT HEINER; UGI IVAR; KABBE HANS-JOACHIM 权利人:BAYER AG 摘要:In the process for preparing an organic compound of the formula n n A' -- X n n in which n X is an amino group, a hydroxyl group or a carboxyl group, and n A' is the remainder of the molecule, from an organic compound of the formula n n A -- X n n in which n A is the remainder of the molecule which can undergo reaction to form A', by converting A -- X into a compound of the formula n n A -- Z -- COOR n n in which n Z is --NH--, --O-- or a direct C--C bond, and n R is a radical of the formula ##STR1## IN WHICH Y is a direct C--C single bond, the --CHâ•?CH-- group or an arylene group, n R 1 to R 4 each independently is hydrogen, halogen or an alkyl, aryl, aralkyl, alkoxycarbonyl, alkylaminocarbonyl, arylaminocarbonyl or cycloalkylaminocarbonyl radical, or n R 1 + r 2 and R 3 + R 4 each independently completes a 5- or 6-membered carbocyclic ring, or n R 1 and R 3 conjointly with the grouping --C--Y--C-- forms a carbocyclic ring with 5 or 6 carbon atoms, and Hal is halogen, n Thereby to protect X, then converting A -- Z -- COOR into a compound of the formula n n A' -- Z -- COOR n n and then treating the compound A' -- Z -- COOR to restore the group X, the improvement which comprises effecting the treatment of the compound A' -- Z -- COOR with an alkali metal compound of a complex of monovalent cobalt. The process is applicable particularly to aminocarboxylic acids including intermediates from various stages of the synthesis of penicillins and cephalosporis.
专利号:US-12371398-B2 优先权日:2020-01-24 标题:Method for preparing formamide compounds via hydrogenation of carbon dioxide catalyzed by porous materials 发明人:TU TAO; SHEN YALIANG; ZHENG QINGSHU 权利人:UNIV FUDAN 摘要:A method for preparing formamide compounds via hydrogenation of carbon dioxide catalyzed by porous materials includes the following steps: by taking porous organometallic polymers as catalysts, reacting amine compounds with carbon dioxide and hydrogen under an air atmosphere to prepare formamide compounds. The method has the advantages of high reaction efficiency, good selectivity, mild conditions, economy, environmental protection, and simple operation. The catalysts are solid organometallic polymers with large specific surface area, strong carbon dioxide adsorption, hierarchical pore distribution, and uniformly dispersed metal centers. They are designed and synthesized as the reaction catalysts by changing the proportion of the cross-linked comonomer. The catalysts can be especially used for catalytic synthesis of fine chemical N, N-dimethylformamide (DMF) without addition of any additional solvent, alkali, or other additives, which is convenient for separation and purification of DMF.
专利号:US-3810895-A 优先权日:1971-09-30 标题 :Synthesis of piperazines 发明人:MASSIE S 权利人:UNIVERSAL OIL PROD CO 摘要:PIPERAZINES ARE PREPARED BY REACTING A GLYCOL, AND PARTICULARLY A GLYCOL CONTAINING HYDROXY SUBSTITUENTS ON ADJACENT CARBON ATOMS, WITH AN AMIDE AT ELEVATED TEMPERATURES AND A PRESSURE IN THE RANGE OF FROM ATMOSPHERIC TO ABOUT 300 ATMOSPHERES.
专利号:US-5629394-A 优先权日:1992-12-17 标 题 :Direct synthesis by living cationic polymerization of nitrogen-containing polymers 发明人:CHERADAME HERVE M; CHEN FRANK J; STANAT JON E R; NGUYEN HUNG A; TABAR BEHROOZ R 权利人:EXXON CHEMICAL PATENTS INC 摘要:A method is provided for the direct synthesis by living cationic polymerization of novel polymeric materials functionalized with desirable nitrogen-containing functional groups such as terminal azido, cyano, carbonylamino, cyanato, thiocyanato or thiocarbonylamino groups. Polymerization and functionalization occur in a substantially simultaneous manner. All necessary reactants for the functionalization are present when polymerization is initiated. The nitrogen-containing functional group is provided as a part of a molecule having a release moiety which is preferably resonance stabilized or a tertiary alkyl type and which acts to aid the nitrogen-containing species in functioning as a leaving group.
专利号:US-12187693-B2 优先权日:2018-08-06 标 题:Rapid synthesis method for biomass-based amine 发明人:LI HU; FANG ZHEN; SMITH RICHARD LEE 权利人:UNIV NANJING AGRICULTURAL 摘要:A rapid synthesis method for a biomass-based amine, including: using formamide as an amine source, formic acid as a hydrogen source, and biomass aldehyde or ketone as a raw material, conduct rapid heating promoting direct addition of formamide and aldehyde or ketone compound through microwave-assisted heating and without a solvent and catalyst, and carrying out formic acid reduction preparing and obtaining a corresponding formamide derivative; selectively converting the formamide derivative under the action of a base into a corresponding primary amine through alcoholysis. The microwave-assisted heating reaction system has a significantly higher catalytic efficiency than a corresponding oil bath system, greatly shortens a reaction time, and significantly improves selectivity, where a conversion rate of a biomass aldehyde or ketone compound may reach at least 99%, and a formamide derivative yield may reach 85-99%; the formamide derivative is synthesized to a primary amine through alcoholysis, where a yield may reach 92-99%.
[参考文献]: H Deng, Et Al. A Raman Spectroscopic Characterization Of Bonding In The Complex Of Horse Liver Alcohol Dehydrogenase With Nadh And N-Cyclohexylformamide. Biochemistry. 1998 Oct 6;37(40):14267-78. [参考文献]: M Goda, Et Al. Discovery Of A Novel Enzyme, Isonitrile Hydratase, Involved In Nitrogen-Carbon Triple Bond Cleavage. J Biol Chem. 2001 Jun 29;276(26):23480-5. [参考文献]: S Ramaswamy, Et Al. Binding Of Formamides To Liver Alcohol Dehydrogenase. Biochemistry. 1997 Mar 25;36(12):3522-7. [参考文献]: S Svensson, Et Al. Crystal Structures Of Mouse Class Ii Alcohol Dehydrogenase Reveal Determinants Of Substrate Specificity And Catalytic Efficiency. J Mol Biol. 2000 Sep 15;302(2):441-53.
合成参考文献
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