CAS: 1468-39-9; 3-Methylbutanoic Anhydride

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659-70-1 2082-59-9 542-08-5

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CAS号108-12-3 异戊酰氯 | CAS号503-74-2 异戊酸 | CAS号3320-87-4 3-硝基苯基异氰酸酯 | CAS号7137-30-6 acetic acid iso... | CAS号75-36-5 乙酰氯 | CAS号102-69-2 三正丙胺 | CAS号539-66-2 異戊酸鈉 | CAS号108-24-7 乙酸酐 | CAS号108-88-3 甲苯 | CAS号71-43-2 苯 | CAS号15914-84-8 (S)-(-)-α-甲基-1-萘甲醇 | CAS号42177-25-3 (R)-(+)-α-甲基-1-萘甲醇 | CAS号232923-59-0 (S)-1-(1-Naphth... | CAS号1808-39-5 3-methylbutanoy... | CAS号19910-12-4 3-methylbutanep... | CAS号503-74-2 异戊酸 | CAS号7774-44-9 异戊酸环己酯 | CAS号816-66-0 4-甲基-2-氧戊酸 | CAS号63409-12-1 泰万菌素 | CAS号625-28-5 异戊腈

异戊酸置于三甲基乙酰氯,三乙胺体系中,用 四氢呋喃 用作溶剂,化学反应生成异戊酸酐
参考文献:N-酰基亚氨基亚磺酰胺的 [2,3]-Sigmatropic 重排对映选择性形成 α-氨基酸衍生物
标题:N-酰基亚氨基亚磺酰胺的 [2,3]-Sigmatropic 重排对映选择性形成 α-氨基酸衍生物
摘要:开发了 [2,3]-烯丙基硫酰亚胺的 Sigmatropic 重排的氮杂变体.在此过程中,N-酰基亚氨基亚磺酰胺烯醇化后进行o-甲硅烷基化,生成o-甲硅烷基n-亚氨基亚磺酰n,O-乙烯酮缩胺中间体,中间体经过 [2,3]-转移得到 α-亚磺酰氨基亚胺酸酯在酸性水溶液后处理引发脱甲硅烷基化后转化为相应的甲酰胺.手性从硫立构中心转移到 α-碳,从而能够在酰胺的 α-位上对映选择性地安装氨基.
Doi:10.1021/acs.Orglett.3C01448

专利信息

专利号:US-2023357257-A1
优先权日:2020-12-28
标 题 :Novel process for the synthesis of noroxymorphone from morphine
发明人：GORBACHEV DMITRY; LAM HON WAI; SAXENA AAKARSH; SAXENA NAVIN SATYAPAL
权利人:NAVIN SAXENA RESEARCH & TECH PVT LTD
摘要:The present invention relates to a novel, efficient, pot- and atom-economical, and industrially applicable process for converting morphine to noroxymorphone using reagents and solvents of lesser toxicity and lower cost with respect to those used in the prior art.

专利号:US-12060384-B2
优先权日:2019-02-05
标题 :Synthesis of 1,2,5-tri-o-benzoyl-3-dibenzylamino-3-deoxyribose as intermediate for producing 3′-amino-3′-deoxyadenosine and 3′-amino-3′-deoxyguanosine and the protected derivatives thereof
发明人：YUAN CHANGXIA; SCHMIDT MICHAEL ANTHONY; ORTIZ ADRIAN; ROGERS AMANDA J; ZHU JASON J; XU ZHONGMIN; YU MIAO; SIMMONS ERIC M; WU SHULIN
权利人:BRISTOL MYERS SQUIBB CO
摘要:The invention generally relates to improved processes for the preparation of intermediates of a cyclic dinucleotide which is useful as a STING agonist.

专利号:US-2023357306-A1
优先权日:2019-02-05
标题 :Synthesis of 1,2,5-tri-o-benzoyl-3-dibenzylamino-3-deoxyribose as intermediate for producing 3'-amino-3'-deoxyadenosine and 3'-amino-3'-deoxyguanosine and the protected derivatives thereof

专利号:CA-3200832-A1
优先权日:2020-12-28
标 题:Novel process for the synthesis of noroxymorphone from morphine

专利号:US-11267824-B2
优先权日:2017-08-17
标 题:Inhibitors of indoleamine 2,3-dioxygenase and/or tryptophan 2,3-dioxygenase
发明人：BOSS CHRISTOPH; BUR DANIEL; CREN SYLVAINE; KIMMERLIN THIERRY; LOTZ-JENNE CARINA; POTHIER JULIEN; TIDTEN-LUKSCH NAOMI
权利人:IDORSIA PHARMACEUTICALS LTD
摘要:The present invention relates to compounds of Formula (I) inhibiting indoleamine 2,3-dioxygenase (IDO) and/or tryptophan 2,3-dioxygenase (TDO) enzymes. Further, their synthesis and their use as medicaments in inter alia cancer is disclosed.

专利号:EP-4267583-A1
优先权日:2020-12-28
标题 :Novel process for the synthesis of noroxymorphone from morphine