CAS: 128-08-5; 1-Bromopyrrolidine-2,5-Dione

相似化合物

123-56-8 132178-37-1 906564-59-8

上下游产品

CAS号123-56-8 丁二酰亚胺 | CAS号128-09-6 N-氯代丁二酰亚胺 | CAS号79-15-2 N-溴代乙酰胺 | CAS号32795-84-9 7-溴苯并[a]蒽 | CAS号351-30-4 4'-溴-3'-氟乙酰苯胺 | CAS号3230-65-7 3,4-二氢异喹啉 | CAS号55919-47-6 2-溴-3-氧代-3-苯基丙酸乙酯 | CAS号34846-44-1 3-溴甲基噻吩 | CAS号5426-65-3 4-溴化安替比林 | CAS号573-17-1 9-溴菲 | CAS号33084-49-0 4-溴-3-甲基异噁唑-5-胺 | CAS号37746-78-4 4-溴巴豆酸乙酯 | CAS号474688-73-8 9-溴-10-(2-萘基)蒽

N-氯代丁二酰亚胺置于四乙基溴化铵体系中,化学反应生成N-溴代丁二酰亚胺(Nbs)
参考文献:Finkelstein,Manuel; Moore,W. Michael; Ross,Sidney D.,Acta Chemica Scandinavica. Series B: Organic Chemistry And Biochemistry,1986,Vol. 40,# 5,P. 402-403
标题:Finkelstein,Manuel; Moore,W. Michael; Ross,Sidney D.,Acta Chemica Scandinavica. Series B: Organic Chemistry And Biochemistry,1986,Vol. 40,# 5,P. 402-403

专利信息

专利号:US-2019047933-A1
优先权日:2016-03-15
标 题:Process for the synthesis of (2e, 4e, 6z, 8e)-8-(3,4-dihydronaphthalen-1(2h)-ylidene)-3,7-dimethylocta-2, 4, 6-trienoic acid
发明人：ABEL ULRICH; RÉPÃ?SI JÓZSEF; Szabó András; SZÃœCSNÉ CSERÉPI STEFÃ?NIA; Bor Ã?dám
权利人:ABEL ULRICH; REPASI JOZSEF; SZABO ANDRAS; SZUECSNE CSEREPI STEFANIA; BOR ADAM; BRICKELL BIOTECH INC
摘要:This invention relates to a novel method for the synthesis of (2E,4E,6Z,8E)-8-(3,4-dihydronaphthalen-1(2H)-ylidene)-3,7-dimethylocta-2,4,6-trienoic acid. In particular, the invention relates to several improvements in several individual steps of the multi-step synthesis scheme

专利号:US-6552213-B1
优先权日:2002-05-10
标 题:Stereoselective route to produce tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene, an intermediate in the synthesis of trans-resveratrol
发明人：DESHPANDE PANDURANG BALWANT; SENTHILKUMAR UDAYAMPALAYAM PAL; ANDREW GNANAPRAKASAM
权利人:ORCHID CHEMICALS & PHARM LTD
摘要:The present invention relates to a new stereoselective method for the preparation of tris-O-substituted-(E)-1-(3,5-dihydroxyphenyl)-2-(4-hydroxyphenyl)ethene derivative of the formula (I) which is a key intermediate in the synthesis of trans-resveratrol (I, R2=R2=R3=H). The invention also provides a method for the exclusive synthesis of trans-isomer of compounds of formula (I) without any contamination of cis-isomer.

专利号:US-8779121-B2
优先权日:2012-10-12
标题:Process for the synthesis of 3-(2-bromo-4,5-dimethoxyphenyl)propanenitrile, and application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid
发明人：CARRANZA MARIA DEL PILAR; GARCIA ARANDA MARIA ISABEL; GONZALEZ JOSÉ LORENZO; SANCHEZ FRÉDÉRIC
权利人:SERVIER LAB
摘要:Process for the synthesis of the compound of formula (I): n nApplication in the synthesis of ivabradine, addition salts thereof with a pharmaceutically acceptable acid and hydrates thereof.

专利号:US-10011580-B2
优先权日:2016-04-21
标题:Diastereoselective synthesis of (±)-epianastrephin, (±)-anastrephin and analogs thereof
发明人：WALSE SPENCER S; KUZMICH DANIEL
权利人:US AGRICULTURE
摘要:A process for the synthesis of trans-fused γ-lactones having Formula (IV) from substituted cyclic ketones having Formula (I). A diastereoselective synthesis of (±)-epianastrephin (1) (wherein: R 1 is ethenyl, R 2 and R 3 is methyl, and n is 1), (±)-anastrephin (2) (wherein: R 2 is ethenyl, R 1 and R 3 is methyl and n is 1), and analogs thereof (wherein: R 1 is H, C 1-5 alkyl, C 2-6 alkenyl or C 2-6 alkynyl, R 2 is H, C 1-5 alkyl, C 2-6 alkenyl or C 2-6 alkynyl, R 1 and R 2 together with the carbon atom they are attached form a C 3-6 cycloalkyl ring, R 3 is C 1-5 alkyl and n is 0-2):

专利号:US-2025042860-A1
优先权日:2022-04-22
标题:Process for Chemical Synthesis of Ergothioneine and Methods of Use
发明人：ZHU YONGXIAO; YU DONGDONG; ZHU YING; ZHU XI; LIAO KYLIN
权利人:NANJING NUTRABUILDING BIO TECH CO LTD
摘要:The present invention provides a process for chemical synthesis of different optical forms of ergothioneine (e.g., L-form or D-form or any mixture thereof). Another aspect of the invention relates to a composition comprising a non-racemic mixture of L-ergothioneine and D-ergothioneine.

专利号:US-2008125587-A1
优先权日:2006-05-25
标 题 :Synthesis of triazole compounds that modulate HSP90 activity
发明人：CHIMMANAMADA DINESH U; LEE CHI-WAN; JAMES DAVID; ZHANG SHIJIE; YING WEIWEN; CHAE JUNGHYUN; PRZEWLOKA TERESA
权利人:CHIMMANAMADA DINESH U; LEE CHI-WAN; JAMES DAVID; ZHANG SHIJIE; YING WEIWEN; CHAE JUNGHYUN; PRZEWLOKA TERESA
摘要:The present invention provides novel methods of preparing triazole compounds which inhibit the activity of Hsp90. One embodiment of the invention is directed to methods for preparing a triazole compound represented by the following Structural Formula: n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising the steps of: a) reacting an amide represented by the following Structural Formula: n n n n n n n n n n with a thionation reagent to form a thioamide; b) reacting the thioamide of step a) with hydrazine to form a hydrazonamide; c) reacting the hydrazonamide of step b) with a carbonylation or a thiocarbonylation reagent. n In one embodiment, the present invention is a method of synthesis of a compound of formula (IA) n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising reacting a compound of formula (IIA) n n n n n n n n n n with an oxidizing agent, thereby producing a compound of formula (IA). n The present invention is also directed to a method of preparing a compound or a tautomer thereof represented by the following Structural Formula: n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof. The method comprises the step of reacting a first starting compound represented by the following Structural Formula: n n n n n n n n n n in the presence of a mercuric salt, with a second starting compound represented by the following Structural Formula: