Zhou F, Zhang N, Xin X, Zhang X, Liang Y, Zhang R, Dong D. Synthesis of multi-substituted 4-aminopyridines via ring-opening and recyclization reactions of 2-iminopyridines.
RSC Adv 2014. [DOI:
10.1039/c4ra02428a]
[Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Synthesis of multi-substituted 4-aminopyridines is developed via a regioselective ring-opening reaction of 2-iminopyridines followed by a 6π-azaelectrocyclization and N-to-N 1,3-sulfonyl group migration process.
Collapse