专利号:US-9096519-B2 优先权日:2013-01-10 标 题 :Process for the synthesis of ketones from internal alkenes 发明人:MORANDI BILL; GRUBBS ROBERT H; WICKENS ZACHARY K; LERCH MICHAEL M 权利人:CALIFORNIA INST OF TECHN 摘要:The present invention is directed to methods for oxidizing internal olefins to ketones. In various embodiments, each method comprising contacting an organic substrate, having an initial internal olefin, with a mixture of (a) a biscationic palladium salt; and (b) an oxidizing agent; dissolved or dispersed in a solvent system to form a reaction mixture, said solvent system comprising at least one C 2-6 carbon nitrile and optionally at least one secondary alkyl amide, said method conducted under conditions sufficient to convert at least 50 mol % of the initial internal olefin to a ketone, said ketone positioned on a carbon of the initial internal olefin. The transformation occurs at room temperature and shows wide substrate scope. Applications to the oxidation of seed oil derivatives and a bioactive natural product are described.
专利号:US-10669160-B2 优先权日:2018-04-30 标题:Heterogeneous wet synthesis process for preparation of high purity tungsten pentahalide 发明人:LIU YUMIN; LI FENG; WAN ZHIWEN; FAFARD CLAUDIA; WIESE STEFAN; HUSSON GUILLAUME; NIKIFOROV GRIGORY; SUI BIN; GIRARD JEAN-MARC 权利人:AIR LIQUIDE; AIR LIQUIDE AMERICAN 摘要:Synthesis of tungsten pentahalide compositions having low impurity profiles are disclosed. The specific impurity profile permits deposition of high purity tungsten-containing films using vapor deposition processes or other semiconductor manufacturing processes without introduction of performance-impacting contaminants.
专利号:US-6870068-B1 优先权日:2003-11-14 标 题:Synthesis of pentafluorosulfuranyl substituted alkanes 发明人:LAL GAURI SANKAR; MINNICH KRISTEN ELAINE 权利人:AIR PROD & CHEM 摘要:Addition of an SF 5 group to organic compounds such as alkyl-substituted terminal alkenes, internal alkenes and cycloalkenes via the reaction with SF 5 Br is effected under liquid phase conditions and generally in the presence of a free radical initiator, preferably triethyl borane.
专利号:CN-109678818-A 优先权日:2019-01-15 标题 :Synthesis of the Aggregated Pheromone (E)-cis-6,7-epoxy-2-nonenal of the pink-necked longhorn beetle
专利号:EP-1538144-A1 优先权日:2003-11-14 标 题 :Synthesis of pentafluorosulfuranyl substituted alkanes
专利号:US-2014194604-A1 优先权日:2013-01-10 标题:Process for the synthesis of ketones from internal alkenes
参考标题:A Convenient Synthesis Of Episulfides And Their Conversion Into Alkenes 作者:Piotr Dybowski,Aleksandra Skowrońska |发布日期:1997.10 摘要:A Convenient And Stereoselective Synthesis Of Episulfides Based On The Reaction Of Readily Available S-(î²-Oxoalkyl) Thiophosphate With Sodium Borohydride And Their Conversion Into Alkenes Is Described.
合成参考文献
摘要:Kostikov, R. R.; Khlebnikov, A. F.; Sokolov, V. V., Science of Synthesis, (2010) 47, 860.