CAS: 110-93-0; 6-Methyl-5-Hepten-2-One

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6-甲基-3,5-庚二烯-2-酮置于甲醇,[rh(Acac)(Co)2],氢气,4,5-双二苯基膦-9,9-二甲基氧杂蒽体系中,20.0 °C,6.89 Mpa 条件下,反应 22.0H,以40%的收率获得6-甲基-5-庚烯-2-酮
参考文献:由铑催化的氢化物加成/质子分解机制实现的贫电子烯烃和二烯烃的位点选择性加氢**
标题:由铑催化的氢化物加成/质子分解机制实现的贫电子烯烃和二烯烃的位点选择性加氢**
摘要:甲醇中的rh(Co) 2 Acac/xantphos 通过氢化物加成/rh-烯醇质子化途径在低金属负载下催化贫电子二烯和相关底物的选择性单氢化.
Doi:10.1002/anie.202210601

专利信息

专利号:US-5861532-A
优先权日:1997-03-04
标 题:Solid-phase synthesis of N-alkyl amides
发明人：BROWN EDWARD G; NUSS JOHN M
权利人:CHIRON CORP
摘要:Methods for solid phase synthesis of N-alkyl amides comprise reductive amination of carbonyl compounds using a reducing agent and an amine-containing linker bound to a solid support. The methods afford high yields of linker-bound, monoalkylated amines, and subsequent coupling with acid derivatives provide derivatized N-substituted amides in excellent yields after cleavage from the solid-phase. Compositions useful in solid phase synthesis are also described.

专利号:US-3872101-A
优先权日:1969-04-11
标题:Synthesis of {60 , {62 -unsaturated compounds
发明人：SIDDALL JOHN E; FRIED JOHN H
权利人:ZOECON CORP
摘要:Stereospecific synthesis of Alpha , Beta -ethylenically unsaturated compounds by the reaction of an organo-copper or organo-manganese reagent with an Alpha , Beta -acetylenically unsaturated compound at a temperature of -40*C or less.

专利号:US-6686485-B2
优先权日:2001-04-19
标题:Synthesis of coenzyme Q10, ubiquinone
发明人：WEST DANIEL DAVID
摘要:Processes for the stereospecific synthesis of coenzyme Q10, ubiquinone, are disclosed; a semi synthetic procedure using solanesol derived from tobacco waste as the starting material. The process of the invention results in high yields of isometrically useful compositions containing the optically pure isomers.

专利号:US-9981935-B2
优先权日:2013-07-05
标 题:Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of acids
发明人：MEDLOCK JONATHAN ALAN; LETINOIS ULLA; NETSCHER THOMAS; BONRATH WERNER
权利人:DSM IP ASSETS BV
摘要:The present invention relates to a synthesis of chromanones or chromanes in a stereospecific matter in view of the 2-position in the chromanone or chromane ring. It has been found that this synthesis is particularly possible in the presence of a chiral compound of a specific type and of at least one Bransted acid or in the presence a specific chiral compound having a Bransted acid functional group in the molecule.

专利号:US-9815809-B2
优先权日:2013-07-05
标题:Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of phenols or thiophenols
发明人：LETINOIS ULLA; NETSCHER THOMAS
权利人:DSM IP ASSETS BV
摘要:The present invention relates to a synthesis of chromanones or chromanes in a stereospecific matter in view of the 2-position in the chromanone or chromane ring. It has been found that this synthesis is particularly possible in the presence of a chiral compound of formula of a specific type and of at least one phenol or thiophenol.

专利号:US-9809565-B2
优先权日:2013-07-05
标 题 :Formation of chiral 4-chromanones using chiral pyrrolidines in the presence of ureas or thioureas
发明人：LETINOIS ULLA; NETSCHER THOMAS; ACKERMANN STEPHAN
权利人:DSM IP ASSETS BV
摘要:The present invention relates to a synthesis of chromanones or chromanes in a stereospecific matter in view of the 2-position in the chromanone or chromane ring. It has been found that this synthesis is particularly possible in the presence of a chiral compound of formula of a specific type and of at least one urea or thiourea.