CAS: 622-45-7; Cyclohexyl Acetate

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📜乙酰基环己烷置于sodium Phosphinate,Nicotinamide Adenine Dinucleotide Phosphate,Monooxygenase From Thermothelomyces Thermophila体系中,用 1,4-二氧六环 作为反应溶剂,化学反应 24.0H,反应生成 乙酸环己酯
参考文献:来自嗜热真菌嗜热菌的多环酮单加氧酶:一种结构不同的大块底物生物催化剂
标题:来自嗜热真菌嗜热菌的多环酮单加氧酶:一种结构不同的大块底物生物催化剂
摘要:区域选择性和立体选择性 Baeyer-Villiger 氧化很难通过经典的化学方法实现,特别是当要转化大的官能化分子时.使用含黄素的 Baeyer-Villiger 单加氧酶 (Bvmo) 进行生物催化是解决这些挑战的成熟工具,但已知的 Bvmo 在稳定性或底物选择性方面存在缺陷.我们对来自嗜热真菌嗜热嗜热菌的新型 Bvmo 进行了表征,确定了其三维结构,并证明了其作为一种有前途的生物催化剂的用途.这种真菌酶表现出优异的对映选择性,作用于各种酮,对多环分子特别活跃.最值得注意的是,我们观测到该酶在转化类固醇时可以对 A 环和 D 环进行氧化.
DOI:10.1021/jacs.6B12246

专利信息

专利号:WO-9104337-A1
优先权日:1989-09-25
标题 :ENANTIOSELECTIVE, ENZYMATIC SYNTHESIS OF S(-) and R(+) ESTERS OF 4-HYDROXY-CYCLOPENTENE-1-ONE AND ITS 2',2'-DIMETHYLPROPANE-1',3'-DIOL-KETAL
发明人：SCHAPOEHLER STEFAN B; SCHEPER THOMAS; SCHUEGERL KARL
权利人:EUROP COMMUNITIES
摘要:The S(-) and R(+) esters of 4-hydroxy-cyclopentene-1-one and its 2',2'-dimethylpropane 1',3'-diol-ketal are produced by direct, enantioselective, enzymatic synthesis by reacting the corresponding 4-hydroxy compounds with an ester as acyl donor in the presence of an enzyme. The esters obtained are valuable intermediate products for stereospecific synthesis, in particular for the stereoselective synthesis of chemical compounds, in particular stable, storable, chiral prostaglandin derivatives, especially storable chiral prostaglandinsynthone.

专利号:US-4284582-A
优先权日:1978-04-28
标 题 :Process for the preparation of cyclopropane derivatives, intermediates in the synthesis of pyrethroid insecticides
发明人：KAYE ALBERT E; TUCKER ALAN C
权利人:ICI LTD
摘要:Compounds of formula: wherein both groups X are chlorine, bromine or trifluoromethyl, or one X is chlorine or bromine and the other is trifluoromethyl, and Y is -CN or -COOR in which R is an alkyl group, are obtained by (A) reacting a compound of the formula: wherein X1 is chlorine or bromine, with a compound of the formula: X2C=CH-CH=C(CH3)2 in the presence of metallic copper or at least one copper salt and a base, or (B) reacting a compound of the formula: Y-CH2-CN with a compound of the formula: X2C=CH-CH=C(CH3)2 and chlorine or bromine, in the presence of at least one reducible copper salt and a base, or (C) reacting a compound of formula: X-CH2-CN with a compound of the formula: wherein X1 is chlorine or bromine, in the presence of at least one copper salt. The compounds are intermediates in the synthesis of pyrethroid insecticides.

专利号:WO-2013014486-A1
优先权日:2011-07-28
标题:Improved synthesis of 2-(4-(4-chlorophenyl) cyclohex-1-enyl) -3, 4-dihydronaphthalen-1 (2h)-one; an intermediate for atovaquone
发明人：ROY BHAIRAB NATH; SINGH GIRIJ PAL; LATHI PIYUSH SURESH; AGRAWAL MANOJ KUNJABIHARI; MITRA RANGAN; TRIVEDI AUNRAG
权利人:LUPIN LTD; ROY BHAIRAB NATH; SINGH GIRIJ PAL; LATHI PIYUSH SURESH; AGRAWAL MANOJ KUNJABIHARI; MITRA RANGAN; TRIVEDI AUNRAG
摘要:A process for preparation of 2-(4-(4-chlorophenyl) cyclohex-l-enyl)-3,4-dihydronaphthalen- 1(2H)-one (V), key intermediate for synthesis of Atovaquone [I]. The process for preparation of compound(V) comprising of the steps of; i) Reaction of 2-(4-(4-chlorophenyl)-1-hydroxycyclohexyl)-3,4-dihydronaphthalen- 1(2H)-one (IV) with trifluro acetic anhydride in presence of base in organic solvent to yield compound of formula (XIa) ii) Elimination of trifluoroacetyl functionality of compound (XIa) in organic solvent and in presence of organic base to give compound of formula (V). The invention also provides a Process for preparation of compound(XIa) comprising of the steps of; i) reaction of 2-(4-(4-chlorophenyl)-l-hydroxy cyclohexyl)-3,4-dihydronaphthalen- 1(2H)-one (IV) with trifluro acetic anhydride in presence of organic base in organic solvent. A further process is provided for preparation of compound(V) from compound (XIa) comprising elimination reaction of trifluoroacetyl functionality compound (XIa) in organic solvent and in presence of organic base.

专利号:US-8647848-B2
优先权日:2008-06-13
标题:Enzymatic synthesis of sphingolipids
发明人：HOLLMANN FRANK; THUM OLIVER; TOELLE CHRISTOPH; PROVINZANO ANGELO; KOREVAAR CORNELIS GERRIT NIJS
权利人:HOLLMANN FRANK; THUM OLIVER; TOELLE CHRISTOPH; PROVINZANO ANGELO; KOREVAAR CORNELIS GERRIT NIJS; EVONIK GOLDSCHMIDT GMBH
摘要:The invention relates to the enzymatic synthesis of sphingolipids and compositions that contain sphingolipids from lysosphingolipids and carbonic esters, and to cosmetic, dermatological or pharmaceutical formulations containing said sphingolipids or compositions.

专利号:US-4468523-A
优先权日:1982-06-16
标题 :Synthesis of dialkyl oxalates by the heterogeneously catalyzed oxidative carbonylation of alcohols
发明人：LEONARD JOHN J; SOFRANKO JOHN A
权利人:ATLANTIC RICHFIELD CO
摘要:Synthesis of dialkyl oxalates by the oxidative carbonylation of liquid monohydric saturated alcohols of from 1 to 20 carbon atoms with carbon monoxide and oxygen or an oxygen-containing gas in the presence of a catalytic amount of a catalyst comprising palladium or a salt thereof in combination with vanadium in the oxide (V 2 O 5 , V 2 O 4 , V 2 O 3 ) form and titanium or a non-hydrolyzable salt thereof, said catalyst being present in a heterogeneous phase.

专利号:US-4451666-A
优先权日:1982-08-06
标题:Synthesis of oxalate esters by the oxidative carbonylation of alcohols with a heterogeneous manganese promoted Pd-V-P catalyst
发明人：SOFRANKO JOHN A; GAFFNEY ANNE M
权利人:ATLANTIC RICHFIELD CO
摘要:Synthesis of dialkyl oxalates by the heterogeneous catalyzed oxidative carbonylation of liquid monohydric saturated alcohols of from 1 to 20 carbon atoms with carbon monoxide and oxygen or an oxygen-containing gas in the presence of a catalytic amount of a catalyst comprising palladium or a salt thereof in combination with a crystalline vanadium-phosphorus-manganese containing compound.