[EN] NOVEL SYNTHETIC OPTIONS TOWARDS THE MANUFACTURE OF (6R,10S)-10- {4-[5-CHLORO-2-(4-CHLORO-1H-1,2,3-TRIAZOL-1-YL)PHENYL]-6-OXO-1(6H)- PYRIMIDINYL}- 1-(DIFLUOROMETHYL)-6-METHYL-1,4,7,8,9,10-HEXAHYDRO-11,15 -(METHENO)PYRAZOLO [4,3-B] [1,7] DIAZACYCLOTETRADECIN-5(6H)-ONE<br/>[FR] NOUVELLES OPTIONS SYNTHÉTIQUES POUR LA FABRICATION DE (6R,10S)-10-{4-[5-CHLORO-2-(4-CHLORO-1H-1,2,3-TRIAZOL-1-YL) PHÉNYL]-6-OXO-1(6H)-PYRIMIDINYL}1-(DIFLUOROMÉTHYL)-6-MÉTHYL-1,4,7,8,9,10-HEXAHYDRO-11,15- (METHENO)PYRAZOLO [4,3-B] [1,7] DIAZACYCLOTÉTRADECIN-5 (6H)-ONE
申请人:BRISTOL MYERS SQUIBB CO
公开号:WO2020210613A1
公开(公告)日:2020-10-15
Highly efficient methods are provided for preparing key intermediates in the synthesis of Compound (I), which are broadly applicable and can provide selected components having a variety of substituents groups.
为合成化合物(I)的关键中间体提供了高效的方法,这些方法具有广泛的适用性,并且可以提供具有各种取代基团的选定组分。
3,3-Dimethoxypropylsulfonyl Group: A new versatile protecting and activating group for amine synthesis
作者:Izumi Sakamoto、Kazuya Iwaoka、Yuta Kawada、Takanori Naito、Kazuyoshi Makida、Yuki Takeuchi、Takeshi Nishii、Mitsuyo Horikawa、Hiroto Kaku、Tetsuto Tsunoda
DOI:10.1016/j.tet.2018.04.088
日期:2018.6
3-Dimethoxypropylsulfonyl (Dimps) chloride was prepared and used as a new versatile sulfonating agent for ammonia, primary and secondary amines to afford corresponding Dimps-amides in excellent yields. The resulting N-nonsubstituted and N-monosubstituted Dimps-amides, activated amines, were alkylated satisfactorily under new Mitsunobu conditions. The Dimps group was removed by treatment in aqueous solution under acidic
制备了3,3-二甲氧基丙基磺酰氯(Dimps)氯化物,并用作氨,伯胺和仲胺的新型通用磺化剂,以优异的收率提供了相应的Dimps-酰胺。将所得Ñ -nonsubstituted和Ñ单取代Dimps酰胺,活化的胺,新Mitsunobu条件下得到令人满意的烷基化。通过在酸性条件下在水溶液中处理,然后在碱性条件下除去Dimps基团。此外,使用这种Dimps方法在短时间内合成了墨西哥豆甲虫Epilachna varivestis的防御滴珠Epilachnene。