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CAS号108-48-5 2,6-二甲基吡啶 | CAS号625-84-3 2,5-二甲基吡咯 | CAS号75-25-2 三溴甲烷 | CAS号316808-11-4 3-溴吡啶-2,6-二羧酸二甲酯 | CAS号316808-10-3 3-溴吡啶-2,6-二羧酸 | CAS号108-48-5 2,6-二甲基吡啶 | CAS号137778-11-1 (5-bromo-6-meth... | CAS号137778-12-2 5-bromo-2,6-dim... | CAS号97308-43-5 5-bromo-2,6-dim...2,6-二甲基吡啶置于发烟硫酸,溴体系中,化学反应 5.0H,以48.6%的收率获得2,6-二甲基-3-溴吡啶
参考文献:顺磁性NMR光谱法测定不稳定的中间酶的3D结构
标题:顺磁性NMR光谱法测定不稳定的中间酶的3D结构
摘要:酶催化依赖于构象可塑性,但很难获得有关瞬态中间体的结构信息.我们表明,可以通过核磁共振(NMR)光谱确定不稳定,低丰度酶促中间体的三维(3D)结构.该方法已针对金黄色葡萄球菌进行了证明分选酶a(srta),它是既定的药物靶标和生物技术试剂.Srta是将底物肽的酰胺键转化为硫酯的转肽酶.通过测量由不与活性位点残基cys184反应的位点特异性半胱氨酸反应性顺磁性标签产生的伪接触位移(pcs),收集了足够数量的约束物来确定srta不稳定硫酯中间体的3D结构,从而在非平衡条件下仅作为次要物种存在.3D结构揭示了保护硫酯中间体免于水解的结构变化.
Doi:10.1002/anie.201606223
专利信息
专利号:US-6166031-A
优先权日:1987-10-19
标 题:Substituted tetralins, chromans and related compounds in the treatment of asthma
发明人:EGGLER JAMES F; MARFAT ANTHONY; MELVIN JR LAWRENCE S
权利人:PFIZER
摘要:Substituted tetralins, chromans and related compounds which, by inhibiting 5-lipoxygenase enzyme and/or blocking leukotriene receptors, are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers, myocardial infarction and related disease states in mammals; pharmaceutical compositions comprising said compounds; a method of treatment with said compounds; and intermediates useful in the synthesis of said compounds.
专利号:US-5149814-A
优先权日:1987-09-30
标 题:Alkyl 2-benzylidene-4-(2-alkylimidazopyrid-1-yl) benzoylacetate esters as intermediate compounds
发明人:COOPER KELVIN; FRAY MICHAEL J; RICHARDSON KENNETH; STEELE JOHN
权利人:PFIZER
摘要:Intermediates useful in the synthesis of dihydropyridine platelet activating factor antagonists of the formula ##STR1## where R is phenyl or substituted phenyl; R 3 is lower alkyl; Y is 1,4-phenylene and X is 2-alkylimidazopyridyl.
专利号:US-5998451-A
优先权日:1987-10-19
标 题 :Substituted tetralins, chromans and related compounds in the treatment and related compounds in the treatment of asthma, arthritis and related diseases
发明人:EGGLER JAMES F; MARFAT ANTHONY; MELVIN JR LAWRENCE S
权利人:PFIZER
摘要:Substituted tetralins, chromans and related compounds which, by inhibiting 5-lipoxygenase enzyme and/or blocking leukotriene receptors, are useful in the prevention or treatment of asthma, arthritis, psoriasis, ulcers, myocardial infarction and related disease states in mammals, pharmaceutical compositions thereof, a method of treatment therewith, and to intermediates useful in the synthesis thereof.
专利号:US-5070205-A
优先权日:1987-09-30
标 题:Alkyl 2-benzylidene-4-(benzimidazol-1-yl) benzoylacetate esters as intermediates
发明人:COOPER MELVIN; FRAY MICHAEL J; RICHARDSON KENNETH; STEELE JOHN
权利人:PFIZER
摘要:Intermediates useful in the synthesis of dihydropyridine platelet activating factor antagonists of the formula ##STR1## where R is phenyl or substituted phenyl; R 3 is lower alkyl; Y is 1,4-phenylene and X is a benzimidazol-1-yl.
专利号:US-2025042877-A1
优先权日:2021-11-30
标题:Organic compound, organic device, light-emitting apparatus, and electronic appliance
发明人:HAYASHI YUKI; KAWAKAMI SACHIKO; HASHIMOTO NAOAKI
权利人:SEMICONDUCTOR ENERGY LAB
摘要:A novel compound, a synthesis method thereof, and an organic device including the novel compound are provided. A compound represented by General Formula (G1) is provided. In General Formula (G1), each of R1, R2, and R5 to R7 independently represents any of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 1 to 60 carbon atoms, and a substituted or unsubstituted heteroaryl group having 1 to 60 carbon atoms. R3 represents a condensed ring composed of 4 to 10 rings containing nitrogen as an element forming the ring, and R4 represents any of a substituted or unsubstituted condensed ring having 1 to 60 carbon atoms, a substituted or unsubstituted aryl group with a molecular weight of 78 or more, and a substituted or unsubstituted heteroaryl group with a molecular weight of 80 or more. At least one of A1 to A3 represents nitrogen, and each of the others represents substituted carbon. Each of substituents of A1 to A3 independently represents any of hydrogen (including deuterium), an alkyl group having 1 to 10 carbon atoms, a substituted or unsubstituted aryl group having 1 to 60 carbon atoms, and a substituted or unsubstituted heteroaryl group having 1 to 60 carbon atoms.
专利号:US-8093229-B2
优先权日:2005-03-30
标题 :Alkynyl pyrrolo[2,3-d]pyrimidines and related analogs as HSP90-inhibitors
发明人:KASIBHATLA SRINIVAS RAO; BIAMONTE MARCO ANTONIO; SHI JIANDONG; BOEHM MARCUS F
权利人:KASIBHATLA SRINIVAS RAO; BIAMONTE MARCO ANTONIO; SHI JIANDONG; BOEHM MARCUS F; CONFORMA THERAPEUTICS CORP
摘要:Alkynyl pyrrolo [2,3-d] pyrimidines of Formula I are described and demonstrated to have utility as Heat Shock Protein 90 (HSP90) inhibiting agents used in the treatment and prevention of various HSP90 mediated disorders. Methods of synthesis and use of such compounds are also described and claimed.