CAS: 3690-05-9; P-Coumaryl Alcohol

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CAS号2979-06-8 3-(4-羟苯基)丙烯酸乙酯 | CAS号22214-30-8 (E)-4-(4-Hydrox... | CAS号103-90-2 对乙酰氨基苯酚 | CAS号20711-53-9 (E)-3-(4-羟基苯基)丙烯醛 | CAS号10210-17-0 3-(4-羟基苯基)-1-丙醇

📜4-羟基肉桂酸甲酯置于aluminum (Iii) Chloride,Lithium Aluminium Tetrahydride体系中,用 乙醚 作为反应溶剂,化学反应 1.5H,以90%的收率获得产物4-羟基肉桂醇
参考文献:糖スフィンゴシン及びスフィンゴ塩基の製造方法
标题:糖スフィンゴシン及びスフィンゴ塩基の製造方法
摘要:[问题]提供以糖鞘氨醇为原料制造鞘氨醇的方法,可以选择性地高收率制造糖鞘氨醇的加水解方法,以及可以选择性地高收率制造鞘氨醇的糖鞘氨醇加水解方法. [解决方法]包括通过加水解糖鞘氨醇来获得糖鞘氨醇的制造方法.加水解包括在存在沸点高于100oc的醇类有机化合物和碱性金属氢氧化物水溶液的情况下,在100oc以上的温度下加热糖鞘氨醇以获得糖鞘氨醇.还包括通过加水解糖鞘氨醇来获得鞘氨醇的制造方法.加水解包括在糖鞘氨醇中施加糖加水解酶以获得鞘氨醇,其中糖鞘氨醇可以通过上述方法制备. [图]无

专利信息

专利号:US-9809522-B2
优先权日:2015-09-11
标 题 :Selective liquefaction of lignin and biomass in a mixture of sub- and supercritical fluids in absence or presence of heterogeneous catalysts
发明人：SMIRNOVA ALEVTINA; LYNDE CHRIS; Numan-Al-Mobin Abu Md; RAJAPPAGOWDA RUDRESH BOMMADIHALLI
权利人:SOUTH DAKOTA BOARD OF REGENTS
摘要:Disclosed herein are methods for selective synthesis of specific phenolic products by means biomass or biomass products liquefaction, manipulation of the said selectivity in favor of one specific phenolic compound or a mixture of specific phenolic compounds, and the synthesis of the phenolic compounds from a liquid or biomass organic fraction produced in presence of a homogeneous catalyst in supercritical state or a mixture of said homogeneous and one or several heterogeneous catalysts mixed with water in sub-critical, near-critical, or supercritical condition.

专利号:WO-03050105-A2
优先权日:2001-12-10
标题 :Catalytic asymmetric synthesis of optically active compounds
发明人：HALLAND NIS; JOERGENSEN KARL ANKER; HANSEN TORE
权利人:CHEMINOVA AS; HALLAND NIS; JOERGENSEN KARL ANKER; HANSEN TORE
摘要:A one step catalytic asymmetric process for the synthesis of an optically active compound of formula la or lb wherein R is selected from C1-7 alkyl, C1-7 haloalkyl, C1-7 alkoxy, C1-7 haloalkoxy, halogen and hydroxy; R3 is H or C1-4 alkyl; R4 is selected from H, C1-7 alkyl, C1-7 haloalkyl, C1-7 alkoxy, COOH, CO-C1-7 alkoxy and an optionally substituted aryl or heterocycle; AR represents C1-7 alkyl, optionally substituted aryl, an optionally substituted heterocycle or AR and R4 may be bridged together forming part of a ring system; X is O or S; m is a number between 0-4; comprising the step of reacting a compound of the formula 2 with a compound of formula 3 in the presence of a catalytic amount of a chiral nitrogen containing organic compound.

专利号:US-11384367-B2
优先权日:2016-12-22
标题:Synthesis of bioproducts from lignin-derived aromatics by genetically modified microorganisms
发明人：GLADDEN JOHN M; SKERKER JEFFREY M; KEASLING JAY D; KIRBY JAMES; YAEGASHI JUNKO
权利人:UNIV CALIFORNIA; NAT TECH & ENG SOLUTIONS SANDIA LLC; BATTELLE MEMORIAL INSTITUTE FOR MANAGEMENT AND OPERATION OF PACIFIC NORTHWEST NAT LABORATORY; NATIONAL TECH AND ENGINEERING SOLUTIONS OF SANDIA LLC
摘要:The present invention provides for a method of converting a depolymerized lignin aromatic compound into a bioproduct, comprising: (a) providing a composition comprising a depolymerized lignin aromatic compound, optionally a depolymerized cellulose, and optionally a depolymerized hemicellulose, and (b) introducing a genetically modified microorganism to the composition, wherein the genetically modified microorganism is capable of converting the depolymerized lignin aromatic compound into a bioproduct; such that the depolymerized lignin aromatic compound is converted into a bioproduct.

专利号:US-5866791-A
优先权日:1995-10-25
标 题:Modification of lignin synthesis in plants
发明人：HOLT KAREN ANNE
权利人:ZENECA LTD
摘要:The synthesis of lignin by plants, particularly cereal and forage crops, is modified by genetic transformation with a construct which includes a DNA sequence which modifies the activity of the enzyme cinnamyl coenzyme A reductase (CCR). Sequence-ID-1 is the CCR sequence from Zea mays.

专利号:WO-2012158016-A1
优先权日:2011-05-19
标题 :A method for regulating biosynthesis of monolignols
发明人：ALAM MAQSUDUL; MOHD NAJIMUDIN MOHD NAZALAN; SAITO JENNIFER ANN; OTHALATHARA USHARRAJ ABHILASH
权利人:UNIV SAINS MALAYSIA; ALAM MAQSUDUL; MOHD NAJIMUDIN MOHD NAZALAN; SAITO JENNIFER ANN; OTHALATHARA USHARRAJ ABHILASH
摘要:A method for reducing the synthesis of monolignols in cytoplasm of the plant of Hevea brasiliensis, comprising the step of down-regulating expression of a nucleic acid template containing at least one nucleotide sequence set forth in SEQ ID NO. 1, SEQ ID NO. 2, SEQ ID NO. 3, SEQ ID NO. 4, SEQ ID NO. 5, SEQ ID NO. 6, SEQ ID NO. 7, SEQ ID NO. 8, SEQ ID NO. 9, SEQ ID NO. 10, SEQ ID NO. 1 1 or SEQ ID NO. 12 in at least one cell. Also claimed are nucleotide sequences encoding phenylalanine ammonia-lyase 1 (PALI), phenylalanine ammonia-lyase 2 (PAL2), cinnamate 4-hydroxylase (CH4), coumarate 3-hydroxylase 1 (C3H1), coumarate 3-hydroxylase 2 (C3H2), caffeic acid/5-hydroxyconiferaldehyde O-methyltransferase (COMT), Hydroxycinnamoyl-CoA:shikimate hydroxycinnamoyl transferase (HCT), ferulate 5-hydroxylase (F5H), 4-coumarate CoA ligase (4CL), 4-coumarate caffeoyl-CoA O-methyltransferase (CCoAOMT), 4-coumarate cinnamoyl coenzyme A reductase (CCRl), and 4-coumarate cinnamyl alcohol dehydrogenase (CAD) enzymes, all from Hevea brasiliensis.

专利号:US-9765044-B2
优先权日:2013-03-15
标 题 :Synthesis of novel ionic liquids from lignin-derived compounds
发明人：SOCHA AARON; SINGH SEEMA; SIMMONS BLAKE A; BERGERON MAXIME
权利人:UNIV CALIFORNIA; SANDIA CORP
摘要:Methods and compositions are provided for synthesizing ionic liquids from lignin derived compounds comprising: contacting a starting material comprising lignin with a depolymerization agent to depolymerize the lignin and form a mixture of aldehyde containing compounds; contacting the mixture of aldehyde containing compounds with an amine under conditions suitable to convert the mixture of aldehyde containing compounds to a mixture of amine containing compounds; and contacting the mixture of amine containing compounds with an acid under conditions suitable to form an ammonium salt, thereby preparing the ionic liquid.