CAS: 1642-81-5; 4-(Chloromethyl)Benzoic Acid

相似化合物

34040-64-7 73291-09-5 121579-86-0

上下游产品

CAS号99-94-5 对甲基苯甲酸 | CAS号501-89-3 4-羧基苯乙酸 | CAS号874-86-2 4-氰基苄氯 | CAS号2094-98-6 1,1'-偶氮(氰基环己烷) | CAS号619-66-9 对醛基苯甲酸 | CAS号874-60-2 对甲基苯甲酰氯 | CAS号17201-43-3 α-溴对甲基苯甲腈 | CAS号104-85-8 对甲苯腈 | CAS号84545-14-2 4-(氯甲基)苯甲酰胺 | CAS号106261-54-5 4-二乙胺基甲基苯甲酸盐酸盐 | CAS号34040-64-7 4-氯甲基苯甲酸甲酯 | CAS号1719-82-0 4-(甲氧基甲基)苯甲酸甲酯 | CAS号52787-14-1 4-甲酸甲酯苯乙酸甲酯 | CAS号50685-26-2 4-(氰甲基)苯甲酸 | CAS号31719-76-3 4-苯氧基甲基苯甲酸 | CAS号404844-11-7 N-[4-甲基-3-(4-吡啶... | CAS号501-89-3 4-羧基苯乙酸 | CAS号194479-18-0 4-(pyrimidin-2-... | CAS号3006-96-0 4-羟甲基苯甲酸

4-羟甲基苯甲酸置于1-甲酰吡咯烷,三聚氯氰体系中,用 1,4-二氧六环 用作溶剂,化学反应 13.0H,以87%的收率获得对氯甲基苯甲酸
参考文献:成本和原子效率高的亲核取代的通用催化方法
标题:成本和原子效率高的亲核取代的通用催化方法
摘要:介绍了一种一般的甲酰胺催化方案,用于将醇有效转化为烷基氯,这是通过亚化学计量的量(低至34 Mol%)的廉价三氯三嗪(tct)促进的.这是tct介导的含oh底物(例如,醇和羧酸)的二羟基氯化的第一个例子,其中tct的所有三个氯原子都转移到了起始原料中.因此,增强的原子经济性可显着改善废物平衡(电子因子低至4),成本效率和可扩展性(> 50 G).此外,当前的程序以高水平的官能团相容性和立体选择性为特色,因为仅释放弱酸性氰尿酸作为排他性副产物.最后,一锅法制备胺n 2反演,证明了所提出方法的高实用价值.
Doi:10.1002/chem.201800588

专利信息

专利号:US-5977301-A
优先权日:1992-09-24
标题 :Synthesis of N-substituted oligomers
发明人：ZUCKERMAN RONALD N; KERR JANICE M; KENT STEPHEN B H; MOOS WALTER H; SIMON REYNA J; GOFF DANE A
权利人:CHIRON CORP
摘要:A solid-phase method for the synthesis of N-substituted oligomers, such as poly (N-substituted glycines) (referred to herein as poly NSGs) is used to obtain oligomers, such as poly NSGs of potential therapeutic interest which poly NSGs can have a wide variety of side-chain substituents. Each N-substituted glycine monomer is assembled from two 'sub-monomers' directly on the solid support. Each cycle of monomer addition consists of two steps: (1) acylation of a secondary amine bound to the support with an acylating agent comprising a leaving group capable of nucleophilic displacement by -NH2, such as a haloacetic acid, and (2) introduction of the side-chain by nucleophilic displacement of the leaving group, such as halogen (as a resin-bound alpha -haloacetamide) with a sufficient amount of a second sub-monomer comprising an -NH2 group, such as a primary amine, alkoxyamine, semicarbazide, acyl hydrazide, carbazate or the like. Repetition of the two step cycle of acylation and displacement gives the desired oligomers. The efficient synthesis of a wide variety of oligomeric NSGs using automated synthesis technology of the present method makes these oligomers attractive candidates for the generation and rapid screening of diverse peptidomimetic libraries. The oligomers of the invention, such as N-substituted glycines (i.e. poly NSGs) disclosed here provide a new class of peptide-like compounds not found in nature, but which are synthetically accessible and have been shown to possess significant biological activity and proteolytic stability.

专利号:EP-0671928-B1
优先权日:1992-09-24
标题 :Synthesis of n-substituted oligomers
发明人：ZUCKERMANN RONALD N; KERR JANICE M; KENT STEPHEN BRIAN HENRY; MOOS WALTER H; SIMON REYNA J; GOFF DANE A
权利人:CHIRON CORP
摘要:Poly N-substituted Glycines (poly NSGs), wherein the substituents bear purine or pyrimidine bases (R<9>) every second glycine: In addition, a solid phase method for the synthesis of N-substituted oligomers of more general structures is disclosed.The poly NSGs obtainable by this method can have a wide variety of side-chain substituents. Each N-substituted glycine monomer is assembled from two 'sub-monomers' directly on the solid support. Each cycle of monomer addition consists of two steps: (1) acylation of a secondary amine bound to the support with an acylating agent comprising a leaving group capable of nucleophilic displacement by -NH2, such as a haloacetic acid, and (2) introduction of the side-chain by nucleophilic displacement of the leaving group, such as halogen (as a resin-bound alpha -haloacetamide) with a sufficient amount of a second sub-monomer comprising an -NH2 group, such as a primary amine, alkoxyamine, semicarbazide, acyl hydrazide, carbazate or the like. Repetition of the two step cycle of acylation and displacement gives the desired oligomers. The efficient synthesis of a wide variety of oligomeric NSGs using the automated synthesis technology of the present method makes these oligomers attractive candidates for the generation and rapid screening of diverse peptidomimetic libraries. The oligomers of the invention, such as N-substituted glycines (i.e. poly NSGs) disclosed here provide a new class of peptide-like compounds not found in nature, but which are synthetically accessible and have been shown to possess significant biological activity and proteolytic stability.

专利号:US-5877278-A
优先权日:1992-09-24
标题:Synthesis of N-substituted oligomers
发明人：ZUCKERMANN RONALD N; GOFF DANE A; NG SIMON; SPEAR KERRY; SCOTT BARBARA O; SIGMUND AARON C; GOLDSMITH RICHARD A; MARLOWE CHARLES K; PEI YAZHONG; RICHTER LUTZ; SIMON REYNA
权利人:CHIRON CORP
摘要:A solid-phase method for the synthesis of N-substituted oligomers, such as poly (N-substituted glycines) (referred to herein as poly NSGs) is used to obtain oligomers, such as poly NSGs of potential therapeutic interest which poly NSGs can have a wide variety of side-chain substituents. Each N-substituted glycine monomer is assembled from two 'sub-monomers' directly on the solid support. Each cycle of monomer addition consists of two steps: (1) acylation of a secondary amine bound to the support with an acylating agent comprising a leaving group capable of nucleophilic displacement by -NH2, such as a haloacetic acid, and (2) introduction of the side-chain by nucleophilic displacement of the leaving group, such as halogen (as a solid support-bound alpha -haloacetamide) with a sufficient amount of a second sub-monomer comprising an -NH2 group, such as a primary amine, alkoxyamine, semicarbazide, acyl hydrazide, carbazate or the like. Repetition of the two step cycle of acylation and displacement gives the desired oligomers. The efficient synthesis of a wide variety of oligomeric NSGs using automated synthesis technology of the present method makes these oligomers attractive candidates for the generation and rapid screening of diverse peptidomimetic libraries. The oligomers of the invention, such as N-substituted glycines (i.e. poly NSGs) disclosed here provide a new class of peptide-like compounds not found in nature, but which are synthetically accessible and have been shown to possess significant biological activity and proteolytic stability. Combinatorial libraries of cyclic compounds are disclosed wherein the cyclic compounds are comprised of at least one ring structure derived from cyclization of a peptoid backbone. The diversity of product compounds is generated by the sequential addition of substituted submonomers. The combinatorial library includes 10 or more, preferably 100 or more, and more preferably 1,000 or more distinct and different compounds. The library includes each of the product compounds in retrievable and analyzable amounts and preferably includes at least one biologically active compound. Methods of synthesizing the combinatorial libraries and assay devices produced using the libraries are disclosed as is methodology for screening for and obtaining biologically active cyclic organic compounds.

专利号:US-8017323-B2
优先权日:2003-03-26
标 题 :Free reactant use in nucleic acid-templated synthesis
发明人：LIU DAVID R; SAKURAI KAORI
权利人:HARVARD COLLEGE
摘要:The present invention provides methods and compositions for expanding the scope of chemical reactions that can be performed during nucleic acid-templated organic syntheses. In particular, nucleic acid-templated chemistries are used to produce reaction intermediates attached to an oligonucleotide that can be used to identify the reaction intermediates and/or the resulting reaction products. The reaction intermediates then are reacted with free reactants (for example, reactants that are difficult or impractical to couple to an oligonucleotide) to produce a reaction product. This approach expands the scope of reagents useful in nucleic acid-templated syntheses to reagents that do not need to be or cannot be tethered to an oligonucleotide. The reagents, however, still permit the synthesis of reaction products attached to oligonucleotides that can be used to identify the reaction products.

专利号:WO-2013035102-A1
优先权日:2011-09-05
标 题 :Processes for the preparation of imatinib base and intermediates thereof
发明人：KOMPELLA AMALA KISHAN; RACHAKONDA SREENIVAS; GAMPA VENU GOPALA KRISHNA; ADIBHATLA KALI SATYA BHUJANGA RAO; NANNAPANENI VENKAIAH CHOWDARY
权利人:NATCO PHARMA LTD; KOMPELLA AMALA KISHAN; RACHAKONDA SREENIVAS; GAMPA VENU GOPALA KRISHNA; ADIBHATLA KALI SATYA BHUJANGA RAO; NANNAPANENI VENKAIAH CHOWDARY
摘要:The invention relates to an improved process for the preparation of highly pure imatinib base (99.99% HPLC purity) of formula (I) and the pharmaceutically acceptable acid addition salts thereof. This invention also relates to processes for the preparation of the intermediates in the synthesis of imatinib base.

专利号:US-4719053-A
优先权日:1980-08-01
标题 :Beta-chloroethylsulfonylmethyl-benzoic halides as intermediates
发明人：SCHLAEFER LUDWIG; HAEHNLE REINHARD
权利人:HOECHST AG
摘要:New beta -chloroethylsuflonylmethyl-benzoic acid halides which can serve as fibre-reactive anchors for thesynthesis of novel organic, water-soluble compounds, preferably dyestuffs, having fibre-reactive and fibre-finishing properties, such as preferably dyestuff properties, and containing, as a fibre-reactive group, one or two beta -chloroethylsufonylmethylbenzoic acid amide groups. For the synthesis of these novel fibre-finishing compounds, said new beta -chloroethylsulfonylmethyl-benzoic acid halide compounds are reacted with an organic, water-soluble compound having fibre-finishing properties and continuing one or two amino groups. Also precursors of the fibre-finishing, fibre-reactive compounds, containing said beta -chloroethylsulfonylmethyl-benzxoic acid amid grouping, can be employed for their synthesis. The novel fibre-finishing compounds can be applied onto suitable fibre materials, such as especially cellulose fibre material and natural or synthetic polyamide fibre materials, and fixed on these fibre materials in a manner similar to application and fixation methods usual in the technique for fibre-reactive compounds. The fibre-finished material, such as dyed material, shows very good wet fastnesses.