专利号:US-4215044-A 优先权日:1979-04-23 标题:Synthesis of α-fluorocarbonyl compounds 发明人:MIDDLETON WILLIAM J 权利人:DU PONT 摘要:Process for preparing an organic compound of the formula R 2 R 2 CFC(O)R 3 , which process comprises contacting and reacting in a reaction mixture which includes an inert solvent, at a temperature of -40° C. to -100° C., ROF and ##STR1## R is polyfluoroperhaloalkyl of 1-6 carbon atoms or FOCF 2 ; R 1 is hydrocarbyl of 1-6 carbon atoms; n each R 2 is selected from H, alkyl of 1-17 carbon atoms, cycloalkyl of 3-6 carbon atoms, aryl, heteroaryl and such alkyl, cycloalkyl, aryl and heteroaryl substituted by halogen or alkoxy of 1-6 carbon atoms; n R 3 is selected from H, alkyl and haloalkyl of 1-16 carbon atoms, cycloalkyl of 3-10 carbon atoms, aryl and haloaryl, OSi(R 1 ) 3 , OH, NH 2 , alkoxy of 1-6 carbon atoms, aryloxy, NHR 1 and NR 1 2 wherein R 1 is alkyl of 1-6 carbon atoms, N-arylamino and nitrogen or sulfur heterocyclic of 4-5 carbon atoms; n R 3 and one R 2 taken together is a diradical which with the Câ•?C group is carbocyclic, heterocyclic or haloheterocyclic, and recovering from the reaction mixture the compound of the formula R 2 R 2 CFC()R 3 .
专利号:US-7968734-B2 优先权日:2004-07-01 标 题 :Organocatalysts and methods of use in chemical synthesis 发明人:WANG WEI; WANG JIAN; LI HAO 权利人:STC UNM 摘要:The present invention pertains generally to compositions comprising organocatalysts that facilitate stereo-selective reactions and the method of their synthesis and use. Particularly, the invention relates to metal-free organocatalysts for facilitation of stereo-selective reactions, and the method of their synthesis and use.
专利号:US-6005103-A 优先权日:1993-11-19 标题 :Pyrone derivatives as protease inhibitors and antiviral agents 发明人:DOMAGALA JOHN MICHAEL; LUNNEY ELIZABETH; PARA KIMBERLY SUZANNE; PRASAD JOSYULA VENKATA NAGENDR; TAIT BRADLEY DEAN 权利人:WARNER LAMBERT CO 摘要:The present invention relates to novel tri- and tetrasubstituted pyrones and related structures which potently inhibit the HIV aspartyl protease blocking HIV infectivity. The pyrone derivatives are useful in the development of therapies for the treatment of bacterial and viral infections and diseases, including AIDS. The present invention is also directed to methods of synthesis of multifunctionalized pyrones and of related structures.
专利号:JP-2001518393-A 优先权日:1997-10-06 标 题:Use of carbon-carbon bond forming synthesis of tris (trifluoromethylsulfonyl) methane and its alkali metal and alkaline earth metal salts, and a novel magnesium salt of tris (trifluoromethylsulfonyl) methane
专利号:CN-106588811-A 优先权日:2016-12-07 标题 :A kind of method for the asymmetric synthesis of the benzoendosulphonamide compound containing chiral quaternary carbon center
专利号:EP-0729465-B1 优先权日:1993-11-19 标 题:Pyrone derivatives as protease inhibitors and antiviral agents 发明人:DOMAGALA JOHN MICHAEL; LUNNEY ELIZABETH; PARA KIMBERLY SUZANNE; PRASAD JOSYULA VENKATA NAGENDR; TAIT BRADLEY DEAN 权利人:PARKE DAVIS & CO 摘要:The present invention relates to novel tri- and tetrasubstituted pyrones and related structures which potently inhibit the HIV aspartyl protease blocking HIV infectivity. The pyrone derivatives are useful in the development of therapies for the treatment of bacterial and viral infections and diseases, including AIDS. The present invention is also directed to methods of synthesis of multifunctionalized pyrones and of related structures.
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