可伸缩合成8-氨基-3-羟基-6 H-苯并[ c ]铬6-1-酮:通过赫特利反应制备SEGRA的关键中间体
摘要:
已经开发了一种实用且可扩展的方法,用于制备数百公斤量的8-氨基-3-羟基-6 H-苯并[ c ] chromen-6-one。该合成的关键特征是应用赫特利反应与铜和碱的结合以及纯化工艺的发展。新的合成方法将总收率从49.0%提高到了59.5%,并将步数从3个减少到2个。与传统的药物途径相比,通过使用廉价,易于采购的材料,大大降低了制造成本。
[EN] UROLITHIN DERIVATIVES AND METHODS OF USE THEREOF<br/>[FR] DÉRIVÉS D'UROLITHINE ET LEURS PROCÉDÉS D'UTILISATION
申请人:VANDRIA SA
公开号:WO2022162471A1
公开(公告)日:2022-08-04
Disclosed are compounds, compositions, and methods useful for treating neuronal and mitochondrial diseases.
本发明涉及用于治疗神经元和线粒体疾病的化合物、组合物和方法。
US8802869B2
申请人:——
公开号:US8802869B2
公开(公告)日:2014-08-12
US9029572B2
申请人:——
公开号:US9029572B2
公开(公告)日:2015-05-12
[EN] METHOD FOR PRODUCING 1,2-DIHYDROQUINOLINE SYNTHETIC INTERMEDIATE<br/>[FR] PROCÉDÉ DE PRODUCTION D'INTERMÉDIAIRE DE SYNTHÈSE DE 1,2-DIHYDROQUINOLÉINE
3-HYDROXY-6H-BENZO [C] CHROMENE-6-ONE DERIVATIVE AND MANUFACTURING METHOD THEREOF
申请人:Kudou Kazuhiro
公开号:US20130310576A1
公开(公告)日:2013-11-21
A method of manufacturing a compound or a salt thereof expressed with a formula (III) below, characterized by causing a compound or a salt thereof expressed with a formula (I) below and a compound or a salt thereof expressed with a formula (II) below to react in the presence of carbonate and copper salt or in the presence of hydroxide salt, carbonate, and copper salt.