合成目标产物 2,3-Dimethylpentane 主要起始原料 Methanol And 2-Methylpentane
(文献来源)合成步骤主要原料 Methanol 和 2-Methylpentane
2,3-二甲基-1-戊烯置于镍体系中,化学反应生成 2,3-二甲基戊烷 参考文献:Soday; Boord,Journal Of The American Chemical Society,1933,Vol. 55,P. 3301 标题:Soday; Boord,Journal Of The American Chemical Society,1933,Vol. 55,P. 3301
专利号:US-11926589-B2 优先权日:2019-07-09 标 题 :Process for the synthesis of non-racemic cyclohexenes 发明人:REISMAN SARAH; ROMBOLA MICHAEL; LADD CAROLYN L; MCLAUGHLIN MARTIN JOHN; ZUEND STEPHAN; GOETZ ROLAND 权利人:BASF CORP; CALIFORNIA INST OF TECHN 摘要:This invention relates to a process for the synthesis of a non-racemic cyclohexene compound of formula (I) by a Diels-Alder reaction of a compound of formula (II) with a compound of formula (III) wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and Y have the meanings as defined in the description in the presence of a catalyst comprising at least one m-valent metal cation M m+ wherein the metal M is selected from Scandium (Sc), Yttrium (Y), Lanthanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium 15 (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Ytterbium (Yb), Lutetium (Lu), Gallium (Ga) and Indium (In), and m is an integer of 1, 2 or 3, and a chiral ligand of the formula (IV) wherein R 10a , R 10b , R 10c , R 10d , R 10a′ , R 10b′ , R 10c′ , R 10d′ , Z and Z′ have the meanings as defined in the description.
专利号:US-7973171-B2 优先权日:2005-06-13 标题:Process for synthesis of dialkoxyorganoboranes 发明人:BURKHARDT ELIZABETH; ATKINS WILLIAM 权利人:BURKHARDT ELIZABETH; ATKINS WILLIAM 摘要:The invention relates to a process for the synthesis of dialkoxyorganoboranes, in particular to a process for the synthesis of dialkoxyorganoboranes by an ester exchange reaction. Moreover, the invention relates to a process for the synthesis of organo-oxazaborolidine catalysts (organo-CBS) and of trialkylboroxins. Furthermore, the invention relates to methods of using dialkoxyorganoboranes for the preparation of organo-CBS catalysts and in Suzuki-type coupling reactions.
专利号:US-9643915-B2 优先权日:2013-03-15 标题:Methods for the synthesis of sphingomyelins and dihydrosphingomyelins 发明人:ONICIU DANIELA CARMEN; HECKHOFF STEFAN; OSWALD BENOIT; REBMANN PETER; PEER ANDREAS; GONZALEZ MIGUEL; SAUTER PATRIK 权利人:CERENIS THERAPEUTICS HOLDING SA 摘要:The present invention includes methods for the synthesis of sphingomyelins and dihydrosphingomyelins. The present invention also includes methods for the synthesis of sphingosines and dihydrosphingosines. The present invention further includes methods for the synthesis of ceramides and dihydroceramides.
专利号:US-9708354-B2 优先权日:2013-03-15 标 题:Methods for the synthesis of sphingomyelins and dihydrosphingomyelins 发明人:ONICIU DANIELA CARMEN; HECKHOFF STEFAN; OSWALD BENOIT; REBMANN PETER; PEER ANDREAS; GONZALEZ MIGUEL; SAUTER PATRIK 权利人:CERENIS THERAPEUTICS HOLDING SA 摘要:The present invention includes methods for the synthesis of sphingomyelins and dihydrosphingomyelins. The present invention also includes methods for the synthesis of sphingosines and dihydrosphingosines. The present invention further includes methods for the synthesis of ceramides and dihydroceramides.
专利号:US-2013040990-A1 优先权日:2010-02-02 标题 :SYNTHESIS OF DGJNAc FROM D-GLUCURONOLACTONE AND USE TO INHIBIT ALPHA-N-ACETYLGALACTOSAMINIDASES 发明人:FLEET GEORGE WILLIAM JOHN; BUTTERS TERRY DOUGLAS 权利人:UNIV OXFORD; FLEET GEORGE WILLIAM JOHN; BUTTERS TERRY DOUGLAS 摘要:A convenient and scalable synthesis of DGJNAc ID from D-glucuronolactone in an overall yield of 20% is provided. DGJNAc is the first highly potent and specific competitive inhibitor of GalNAcases. DGJNAc ID is also a competitive inhibitor of -hexosaminidases. Synthesis and activity of L-DGJNAc IL is also shown. The use of DGJNAc as a potent and specific inhibitor of GalNAcases will allow useful investigation and treatment of a number of diseases, including Schindler Disease.
专利号:US-6512081-B1 优先权日:1997-07-21 标题:Synthesis of dithioester chain transfer agents and use of bis(thioacyl) disulfides or dithioesters as chain transfer agents 发明人:RIZZARDO ENZIO; THANG SAN HOA; MOAD GRAEME 权利人:E I DUPONT NEMOURS AND COMPANY; COMMW SCIENT IND RES ORG 摘要:This invention relates to the synthesis of dithiocarboxylic acid esters by reaction of bis(thioacyl) disulphides, thioacetals or vinylidane bis(thioether) with free-radicals (optionally in the presence of monomers). The invention also relates to processes for the synthesis of polymers utilising these dithioesters as polymerisation regulators (chain transfer agents) or to the use of bis(thioacyl) disulphides to generate dithioester chain transfer agents in situ.
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