A Novel Convenient Synthesis of Pyridinyl and Quinolinyl Triflates and Tosylates via One-Pot Diazotization of Aminopyridines and Aminoquinolines in Solution
作者:Elena Krasnokutskaya、Victor Filimonov、Assiya Kassanova、Perizat Beisembai
DOI:10.1055/s-0035-1560392
日期:——
one-pot transformation of 2-, 3-, and 4-aminopyridines, 2,6-diaminopyridines, and 2-aminoquinoline into the corresponding pyridinyl and quinolinyl trifluoromethanesulfonates and tosylates in solvents was developed. The procedure involves diazotization of the heterocyclic amines with sodium nitrite in mixed hexane–DMSO or hexane–DMF solutions in the presence of trifluoromethanesulfonic acid or p-toluenesulfonic
摘要 开发了第一种有效且简单的方法,用于将2-,3-和4-氨基吡啶,2,6-二氨基吡啶和2-氨基喹啉直接单锅转化为溶剂中相应的吡啶基和喹啉基三氟甲烷磺酸盐和甲苯磺酸盐。该方法涉及在三氟甲磺酸或对甲苯磺酸的存在下,在亚硝酸钠的混合己烷-DMSO或己烷-DMF溶液中用亚硝酸钠重氮化杂环胺。 开发了第一种有效且简单的方法,用于将2-,3-和4-氨基吡啶,2,6-二氨基吡啶和2-氨基喹啉直接单锅转化为溶剂中相应的吡啶基和喹啉基三氟甲烷磺酸盐和甲苯磺酸盐。该方法涉及在三氟甲磺酸或对甲苯磺酸的存在下,在亚硝酸钠的混合己烷-DMSO或己烷-DMF溶液中用亚硝酸钠重氮化杂环胺。