专利号:US-8642792-B2 优先权日:2007-02-15 标题 :Method for the synthesis of omega-amino-alkanoic acids 发明人:DUBOIS JEAN-LUC 权利人:DUBOIS JEAN-LUC; ARKEMA FRANCE 摘要:The invention relates to a method for the synthesis of amino acids/esters of general formula NH 2 —(CH 2 ) n —COOR in which n is an integer between 5 and 14, and R is either H or an alkyl radical including from 1 to 4 carbon atoms, from natural long-chain mono-unsaturated fatty acids or esters including at least 10 adjacent carbon atoms per molecule, said method comprising: first converting, if necessary, said natural long-chain fatty acid or ester into a monounsaturated fatty acid/ester of general formula R 1 —(CH 2 ) m —CHâ•?CH—(CH 2 ) p —COOR in which R 1 is H, CH 3 or a COOR radical, m is an integer between 0 and 14 and p is an integer between 2 and 11, then submitting the latter to a crossed catalytic metathesis reaction with a compound of formula R 2 —CHâ•?CH—R 3 in which R 2 is either H or CN and R 3 is CN or CH 2 NH 2 , provided that if R 2 is CN, R 3 can be only CN, and finally converting the resulting product of the general formula R 3 —CHâ•?CH—(CH 2 ) p —COOR into an amino-acid, either by hydrogenation, or by hydrogenation of the trple terminal bond, or by amination of the double terminal bond.
专利号:US-9023626-B2 优先权日:2007-09-20 标 题:Methods for the synthesis of fatty diacids by the metathesis of unsaturated diacids obtained by fermentation of natural fatty acids 发明人:DUBOIS JEAN-LUC 权利人:DUBOIS JEAN-LUC; ARKEMA FRANCE 摘要:The invention relates to a method for the synthesis of diacids of general formula ROOC—(CH 2 ) n —(CHâ•?CH) a —(CH 2 ) m COOR 1 in which n and m are identical or different and each represent an integer such that their sum is between 6 and 15, a is an index of 0 or 1, and R and R 1 are H or an alkyl radical with 1 to 4 carbon atoms, from long-chain mono-unsaturated natural fatty acids or esters having at least 10 adjacent carbon atoms per molecule of the general formula CH 3 —(CH 2 ) p —CHâ•?CH—(CH 2 ) q —COOR, p and q, being identical or different and representing indices between 2 and 11, wherein said method comprises the first step of oxidizing by fermentation said natural fatty acid or ester, using a microorganism, such as a bacterium, a yeast, or a fungus, into at least one unsaturated dicarboxylic acid or dicarboxylate, the second step of submitting the product from the first step to a metathesis crossed with a compound of formula R 2 OOC—(CH 2 ) x —CHâ•?CH—R 3 , in which R 2 is H or an alkyl radical with 1 to 4 carbon atoms, x is 0 or 1 or 2, and R 3 is H, CH 3 or COOR 2 , in order to obtain the unsaturated compound of formula ROOC—(CH 2 ) q —CHâ•?CH—(CH 2 ) x —COOR 2 , and the third optional step of converting the usaturated compound into a saturated compound by hydrogenation of the double bond.
专利号:US-10604479-B2 优先权日:2013-11-18 标 题:Continuous process for the one-pot synthesis of metal salts and metal complexes 发明人:LEONARDI GIULIANO; GASPERONI GIOVANNI 权利人:VOLARE & CONNECTING LLC; LEONARDI GIULIANO; NOVUS INT INC 摘要:A continuous process is described for the one-pot synthesis of compounds, such as metal salts and metal complexes, as well as optionally for the protection of the compounds thus obtained by coating and/or impregnation with suitable compounds.
专利号:US-9567293-B2 优先权日:2013-02-08 标题 :Combined synthesis of a nitrile-ester/acid and of a diester/diacid 发明人:DUBOIS JEAN-LUC; COUTURIER JEAN-LUC; BRANDHORST MARKUS 权利人:ARKEMA FRANCE 摘要:A method for the combined synthesis of a mono-unsaturated nitrile-ester(acid) and of a bi-functional carbonyl compound, wherein it includes a step including the cross metathesis mc1 of an unsaturated fatty acid/ester compound with an unsaturated nitrile compound, in which mc1 is performed with partial conversion such as to obtain and recover, separately, at least the following products: a mono-unsaturated nitrile-ester/acid and a symmetrical compound, diester or diacid respectively including a double bond located in the middle of the molecular chain of compound, and subsequently a step including the oxidation cleavage cp2 of the double bond of compound, such as to form a single type of carbonyl compound having formula R2-(CH2)n-COR′, in which R′ is H or OH, depending on the operating conditions selected for the oxidation cleavage cp2. Also, the production of monomers for the polymer industry.
专利号:US-8940923-B2 优先权日:2007-06-13 标题:Method for the synthesis of diacids or diesters from natural fatty acids and/or esters 发明人:DUBOIS JEAN-LUC 权利人:ARKEMA FRANCE 摘要:Disclosed herein a process for the synthesis of diacids or diesters of general formula ROOC—(CH 2 )x-COOR, in which n represents an integer between 5 and 14 and R is either H or an alkyl radical of 1 to 4 carbon atoms, starting from long-chain natural monounsaturated fatty acids or esters comprising at least 10 adjacent carbon atoms per molecule, of formula CH 3 —(CH 2 )n-CHR 1 —CH 2 —CHâ•?CH—(CH 2 )p-COOR, in which R represents H or an alkyl radical comprising from 1 to 4 carbon atoms, R 1 is either H or OH, and n and p, which are identical or different, are indices between 2 and 11.
专利号:US-8748651-B2 优先权日:2008-11-17 标题:Method for the synthesis of an omega-amino acid or ester starting from a monounsaturated fatty acid or ester 发明人:DUBOIS JEAN-LUC 权利人:DUBOIS JEAN-LUC; ARKEMA FRANCE 摘要:The invention relates to a method for the synthesis of ω-amino alkanoic acids or esters thereof starting from unsaturated natural fatty acids passing through an ω-unsaturated nitrile intermediate compound.
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合成参考文献
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