专利号:WO-2016088138-A1 优先权日:2014-12-01 标题 :Diphenyloxiranes, process for preparation thereof, and its use in an enantioselective synthesis of (+)-sertraline 发明人:SURYAVANSHI GURUNATH MALLAPPA; SUDALAI ARUMUGAM; KAMBLE ROHIT BALKRISHNA 权利人:COUNCIL SCIENT IND RES 摘要:The present invention discloses substituted diphenyloxiranes and process for synthesis thereof. The present invention also provides a process for production of enantiomerically pure anti-3,3' -diphenylmethyloxirane and anti-3,3'- diphenylpropan- 1,2-diol from racemic anti-3,3' -diphenylmethyloxirane using hydrolytic kinetic resolution. Further it provides a process for preparation of enantioselective (+)- Sertraline from anti-3,3' -diphenylpropan-1,2-diol.
专利号:US-2023212107-A1 优先权日:2021-12-30 标 题:Synthesis of para-alkylated syringyl (meth)acrylate derivatives and photopolymerizable compositions for additive manufacturing in dental applications 发明人:CHOUDHARY UMESH UPENDRA; SU JESSICA KALAY 权利人:ALIGN TECHNOLOGY INC 摘要:The present disclosure provides polymerizable monomers which may be used as reactive diluents in additive manufacturing. The polymerizable monomers may have low vapor pressures and may be compatible with a range of low glass transition temperature oligomers.
专利号:US-8167973-B2 优先权日:2008-06-18 标题 :Microwave-assisted synthesis of carbon and carbon-metal composites from lignin, tannin and asphalt derivatives 发明人:VISWANATHAN TITO 权利人:VISWANATHAN TITO; UNIV ARKANSAS 摘要:A process for synthesizing carbon-metal nanocomposites. In one embodiment, the process includes the steps of preparing a metal derivative or a metal chelated derivative of a carbon-containing precursor in solid form, and subjecting the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form to microwave radiation at a frequency in the range of 900 MHz to 5.8 GHz, for a period of time effective to generate a heat flow from inside of the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form to the outside such that the temperature of the metal derivative or metal chelated derivative of a carbon-containing precursor in solid form reaches 1,000° C. in less than 6 minutes with a temperature (T) derivative over time (t), ΔT/Δt, no less than 2.5° C./second to form carbon-metal nanocomposites.
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.
专利号:WO-03018819-A1 优先权日:2001-08-31 标题:Method for obtaining transformed corn plants with improved properties of digestibility, resulting corn plants and uses 发明人:PICHON MAGALIE; BECKERT MICHEL; NADAUD ISABELLE; GOFFNER DEBORAH 权利人:GENOPLANTE VALOR; PICHON MAGALIE; BECKERT MICHEL; NADAUD ISABELLE; GOFFNER DEBORAH 摘要:The invention concerns the use of a polynucleotide modulating the synthesis of COMT methyltransferase of corn encoded by the nucleotide sequence SEQ ID No. 1, in a method for obtaining corn plants with improved properties of digestibility having a modified ratio between the S and G units of lignin and having a modified lignin content which remains compatible with the normal development of the plant. The invention is useful for improving digestibility of corn.
摘要:Yamamoto, K.; Kuriyama, M.; Onomura, O., Science of Synthesis: Special Topics, (2021) 1, 371. 参考文献:10.1105/tpc.020297 摘要:Hoffmann L, Besseau S, Geoffroy P, Ritzenthaler C, Meyer D, Lapierre C, Pollet B, Legrand M. Silencing of hydroxycinnamoyl-coenzyme A shikimate/quinate hydroxycinnamoyltransferase affects phenylpropanoid biosynthesis. Plant Cell. 2004 Jun;16(6):1446–65. 参考文献:10.1007/s12010-011-9284-1 摘要:Zhang B, Yin X, Wu C, Qiu Z, Wang C, Huang Y, Ma L, Wu S. Structure and Pyrolysis Characteristics of Lignin Derived from Wood Powder Hydrolysis Residues. Applied Biochemistry and Biotechnology. 2011 May 21;168(1):37–46. doi: 10.1007/s12010-011-9284-1. 参考文献:10.1021/jf034817y 摘要:Tsuji Y, Chen F, Yasuda S, Fukushima K. The behavior of deuterium-labeled monolignol and monolignol glucosides in lignin biosynthesis in angiosperms. J Agric Food Chem. 2004 Jan 14;52(1):131–4. doi: 10.1021/jf034817y.