CAS: 119-90-4; 3,3'-Dimethoxybenzidine

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CAS号787-77-9 2,2'-Dimethoxyh... | CAS号91-23-6 2-硝基苯甲醚 | CAS号613-55-8 bis(2-methoxyph... | CAS号90-04-0 邻氨基苯甲醚 | CAS号14446-33-4 3,3',3'',3'''-t... | CAS号13620-57-0 2,2'-DIMETHOXYA... | CAS号7647-01-0 盐酸 | CAS号7553-56-2 碘 | CAS号7782-99-2 亚硫酸 | CAS号91-91-8 耐晒兰B盐 | CAS号91-93-0 3,3′-二甲氧基-4,4′-... | CAS号2429-71-2 苯佐藍G | CAS号2373-98-0 3,3’-二羟基联苯胺 | CAS号87084-62-6 4,4'-diamino-3'... | CAS号6161-50-8 3,3-二甲氧基联苯 | CAS号106-34-3 醌氢醌 | CAS号14344-82-2 1-bromo-4-metho... | CAS号13234-75-8 4-methoxy-2-(3-... | CAS号83310-76-3 N,N'-Diacetyldi...

2-硝基苯甲醚置于盐酸,0.8Wt% Pd/c,氢气,Sodium Dodecylbenzenesulfonate,Sodium Hydroxide,1,4-萘醌体系中,用 乙醇,水 用作溶剂,30.0~90.0 °C,600.01 Kpa 条件下,反应 2.0H,反应生成联大茴香胺
参考文献:一种4,4'-二卤素取代-3,3'-二烷(氧)基联苯类化合物的合成方法
标题:一种4,4'-二卤素取代-3,3'-二烷(氧)基联苯类化合物的合成方法
摘要:本发明涉及一种4,4'-二卤素取代-3,3'-二烷(氧)基联苯类化合物的合成方法,本方法采用邻硝基烷(氧)基苯为起始原料,在碱性环境下经催化加氢制备2,2'-二烷(氧)基氢化偶氮苯,再经盐酸酸化重排,得4,4'-二氨基-3,3'-二烷(氧)基联苯,最后经重氮化反应,得4,4'-二卤素取代-3,3'-二烷(氧)基联苯类化合物.本发明合成方法所用原料廉价易得,反应条件温和,操作简单,安全系数高,产率高,成本低.

专利信息

专利号:US-11938187-B2
优先权日:2021-06-10
标题:Methods and compositions for synthesis of two-photon cleavable phosphoramidite molecules for oligonucleotide conjugation
发明人：LO PEGGY PIK KWAN; LIU LING SUM; TAM DICK YAN
权利人:UNIV CITY HONG KONG
摘要:The syntheses of two phosphoramidite building blocks based on BNSF and BNSMB structures are disclosed. Furthermore, some common molecular intermediates have been designed and linked to the central biphenyl core of the two molecules, resulting in a versatile and cost-effective design. These compounds can be effectively introduced to DNA oligonucleotides via the well-established standard cyanoethylphosphoramidite chemistry on the nucleic acid synthesizer. Fragmentation of these BNSF- and BNSMB-functionalized DNA strands is achieved by both one-photon and two-photon photolysis of photoliable bonds of [2-(2-nitrophenyl)propoxy]carbonyl groups on BNSF and BNSMB molecules respectively, resulting in two short pieces of single-stranded DNAs. The versatile design and facile synthesis of these two-photon photocleavage phosphoramidite molecules are beneficial to synthetic chemists and photochemists for the development of new caged compounds which enables to introduce into oligonucleotides as light-triggered carriers via solid-phase synthesis for a wide range of applications in materials science, polymer, chemistry, biology and DNA nanoecthnology.

专利号:US-5003078-A
优先权日:1989-05-16
标 题:Synthesis of phthalonitrile resins containing ether and imide linkages
发明人：KELLER TEDDY M
权利人:US NAVY
摘要:Imide-containing phthalonitrile monomers are prepared from a phthalonitrile and an aromatic dianhydride. The monomer and a method for preparing the monomer is disclosed. These monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating imide and ether linkages. The synthesis of the high temperature thermosetting polymers and copolymers is also disclosed.

专利号:US-5292854-A
优先权日:1989-05-16
标题 :Synthesis of phthalonitrile resins containing ether and imide linkages with aromatic diamine curing agent
发明人：KELLER TEDDY M
权利人:US ARMY
摘要:Imide-containing phthalonitrile monomers are prepared from a phthalonitrile and an aromatic dianhydride. The monomer and a method for preparing the monomer is disclosed. These monomers are synthesized into heat resistant polymers and copolymers with aromatic ring structure incorporating imide and ether linkages. The synthesis of the high temperature thermosetting polymers and copolymers is also disclosed.

专利号:US-6376475-B1
优先权日:1997-05-30
标 题 :Control of immune responses by modulating activity of glycosyltransferases
发明人：MARTH JAMEY D; PAULSON JAMES C
权利人:ABARON BIOSCIENCES INC; UNIV CALIFORNIA
摘要:The invention provides methods for inhibiting immune responses by inhibiting the biosynthesis of the sialyl galactosides that are involved in immune responses. In particular, B lymphocyte-mediated immune responses are mediated by interfering with synthesis of α2,6 sialylgalactosides, while T lymphocyte-mediated immune responses are inhibited by blocking synthesis of α2,3 sialylgalactosides. The inhibition is accomplished by, for example, inhibiting the activity of a glycosyltransferase involved in synthesis of the respective sialyl galactoside.

专利号:US-6500904-B1
优先权日:2001-11-02
标 题:High molecular weight poly(imide)s and methods of synthesis thereof
发明人：HAYES ROBERT F
权利人:GEN ELECTRIC
摘要:A method for the synthesis of high molecular weight poly(imide)s comprising coupling poly(imide) precursors having complementary functional groups and a weight average molecular weight of less than about 50,000 Daltons to form high molecular weight poly (imides)s having a weight average molecular weight greater than 50,000 Daltons.

专利号:WO-2024129887-A1
优先权日:2022-12-13
标题:Biobased synthesis of glucodiamine
发明人：MILLET AGUSTIN; WOELK HANS-JOERG; LEE TONI M; CHAKRABARTI GAURAB; HUNT SEAN
权利人:SOLUGEN INC
摘要:A method of preparing glucodiamine, comprising contacting glucose with an enzyme oxidation catalyst under conditions suitable for the formation of glucodialdose; contacting glucodialdose with a nitrogen-containing compound under conditions suitable for the formation of glucodioxime; and reducing glucodioxime under conditions suitable for the formation of glucodiamine. A method of preparing glucodiamine, comprising contacting glucodioxime with a dehydration catalyst under conditions suitable for the formation of glucodinitrile; and reducing glucodinitrile under conditions suitable for the formation of glucodiamine. A chemoenzymatic method of producing a bio-based amide platform chemical, comprising: contacting glucose with a biocatalyst under conditions suitable for the formation of glucodialdose; contacting glucodialdose with a base under conditions suitable for the formation of glucodioxime; and contacting glucodioxime with a hydrogenation catalyst in the presence of hydrogen under conditions suitable for formation of glucodiamine.