专利号:US-4400550-A 优先权日:1982-02-12 标题 :Synthesis of the navel orange worm pheromone (Z,Z)-11,13-hexadecadienal 发明人:BISHOP CLYDE E; MORROW GARY W 权利人:ALBANY INT CORP 摘要:A process for the synthesis of (Z,Z)-11-13-hexadecadienal is disclosed, starting with undecylenic alcohol.
专利号:US-5728827-A 优先权日:1993-07-09 标题 :Process for the synthesis of azetidinones 发明人:THIRUVENGADAM TIRUVETTIPURAM K; MCALLISTER TIMOTHY; TANN CHOU-HONG 权利人:SCHERING CORP 摘要:This invention provides a process for preparing azetidinones useful as intermediates in the synthesis of penems and as hypocholesterolemic agents, particularly for azetidinones substituted in the C-3 and C-4 positions and optionally substituted at the ring nitrogen, comprising reacting a β-(substituted-amino)amide, a β-(substituted-amino)acid ester, or a β-(substituted-amino)thiolcarbonic acid ester with a silylating agent and a cyclizing agent.
专利号:US-2006052577-A1 优先权日:2001-02-06 标题:Methods of synthesis of polymers and copolymers from natural products 发明人:SWIFT GRAHAM; WESTMORELAND DAVID G; HUGHES KATHLEEN 权利人:SWIFT GRAHAM; WESTMORELAND DAVID G; HUGHES KATHLEEN 摘要:Described are polymers and copolymers containing sorbitol, citric acid, starch, aspartic acid, succinic anhydride, adipic acid mixtures thereof, methods of their synthesis and their uses.
专利号:US-5589586-A 优先权日:1990-11-26 标 题 :Nucleosides attached to a solid support through a 3'-silyl linkage and their use in oligonucleotide synthesis 发明人:HOLMBERG LARS 权利人:PHARMACIA LKB BIOTECH 摘要:Support system for the synthesis of oligonucleotides wherein the first nucleoside is bound to the support via a silylether linkage, especially of the formula ##STR1## wherein B is a nucleoside or deoxynucleoside base. n R 1 is a protecting group. n R 2 is --H, --OH, or --OR 5 , in which R 5 is a protecting group. n R 3 , R 4 and X each represent alkyl, aryl, cycloalkyl, alkenyl, aralkyl, cycloalkylalkyl, alkyloxy, aryloxy, cycloalkyloxy, alkenyloxy, aralkyloxy. n S is a solid support, whereby not more than one of R 3 , R 4 and X represent alkyloxy, aryloxy, cycloalkyloxy, alkenyloxy, aralkyloxy or cycloalkylalkyloxy.
专利号:US-2021002677-A1 优先权日:2015-04-16 标 题:Synthesis of omega functionalized products 发明人:GONZALEZ RAMON; CHEONG SEOKJUNG; CLOMBURG JAMES M 权利人:GONZALEZ RAMON 摘要:The use of microorganisms to make omega- and/or omega-1-functionalized products through an iterative carbon chain elongation pathway that we call a reverse beta oxidation pathway. The pathway uses omega-functionalized CoA thioesters as primers and acetyl-CoA as the extender unit in a non-decarboxylative Claisen condensation, and then uses beta oxidation or fatty acid synthesis enzymes to complete the cycle, via reductase, dehydratase and reductase reactions. Various termination enzymes that act on the functionalized beta-keto acyl-CoA intermediates of the pathway and produce omega or omega-1 functionalized products. The action of termination enzymes on such intermediates yield a large variety of products.
专利号:US-2018135059-A1 优先权日:2015-04-16 标题 :Synthesis of omega functionalized products 发明人:GONZALEZ RAMON; CHEONG SEOKJUNG; CLOMBURG JAMES M 权利人:UNIV RICE WILLIAM M 摘要:The use of microorganisms to make omega- and/or omega-l-functionalized products through an iterative carbon chain elongation pathway that we call a reverse beta oxidation pathway. The pathway uses omega-functionalized CoA thioesters as primers and acetyl-CoA as the extender unit in a non-decarboxylative Claisen condensation, and then uses beta oxidation or fatty acid synthesis enzymes to complete the cycle, via reductase, dehydratase and reductase reactions. Various termination enzymes that act on the functionalized beta-keto acyl-CoA intermediates of the pathway and produce omega or omega-1 functionalized products. The action of termination enzymes on such intermediates yield a large variety of products.
参考标题:An Efficient Mechanochemical Synthesis Of Amides And Dipeptides Using 2,4,6-Trichloro-1,3,5-Triazine And Pph3 作者:Chuthamat Duangkamol,Subin Jaita,Sirilak Wangngae,Wong Phakhodee,Mookda Pattarawarapan 摘要:Mechanochemical Synthesis Of Amides From Carboxylic Acids Has Been Developed Through An In Situ Acid Activation With 2,4,6-Trichloro-1,3,5-Triazine And A Catalytic Amount Of Pph3. Under Room Temperature Solvent-Drop Grinding Of The Reactants In The Presence Of An Inorganic Base, A Variety Of Carboxylic Acids Including Aromatic Acids, Aliphatic Acids, And N-Protected α-Amino Acids Undergo Amidation To Afford
合成参考文献
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