Tetramethylammonium Fluoride Alcohol Adducts for S<sub>N</sub>Ar Fluorination
作者:María T. Morales-Colón、Yi Yang See、So Jeong Lee、Peter J. H. Scott、Douglas C. Bland、Melanie S. Sanford
DOI:10.1021/acs.orglett.1c01490
日期:2021.6.4
aprotic conditions to maintain the nucleophilicity of fluoride and suppress the generation of side products. This report addresses this challenge by leveraging tetramethylammonium fluoride alcohol adducts (Me4NF·ROH) as fluoride sources for SNAr fluorination. Through systematic tuning of the alcohol substituent (R), tetramethylammonium fluoride tert-amyl alcohol (Me4NF·t-AmylOH) was identified as an
亲核芳族氟化 (S N Ar) 是形成 C(sp 2 )-F 键的最常用方法之一。尽管最近取得了许多进展,但这些转化的长期限制是需要严格干燥的非质子条件来保持氟化物的亲核性并抑制副产物的产生。本报告通过利用四甲基氟化铵醇加合物 (Me 4 NF·ROH) 作为 S N Ar 氟化的氟化物来源解决了这一挑战。通过系统调整醇取代基 (R),四甲基氟化铵叔戊醇 (Me 4 NF· t-AmylOH) 被确定为在温和方便的条件下(DMSO 中 80°C,无需干燥试剂或溶剂)下用于 S N Ar 氟化的廉价、实用且台式稳定的试剂。展示了超过 50 种(杂)芳基卤化物和硝基芳烃亲电子试剂的底物范围。
[EN] THERAPEUTICALLY ACTIVE COMPOSITIONS AND THEIR METHODS OF USE<br/>[FR] COMPOSITIONS THÉRAPEUTIQUEMENT ACTIVES ET LEURS PROCÉDÉS D'UTILISATION
申请人:AGIOS PHARMACEUTICALS INC
公开号:WO2012171337A1
公开(公告)日:2012-12-20
Provided are compounds with the following structure, formula (I) pharmaceutically acceptable salts thereof, use of those compounds for treating cancer and pharmaceutical compositions comprising those compounds.
Novel hetaryl-[1,8]naphthyridine derivatives of formula (I) wherein R1, R2, W1, W3, W5 and W6 have the meaning according to claim 1, are inhibitors of ATP consuming proteins, and can be employed, inter alia, for the treatment of tumors.