Chemoselective alkynylation of N-sulfonylamides versus amides and carbamates – Synthesis of tetrahydropyrazines
作者:Thomas Aubineau、Janine Cossy
DOI:10.1039/c3cc40529j
日期:——
The chemoselective alkynylation of N-sulfonylamides versus amides and carbamates using TMS-EBX as an alkynylatingagent leads to the formation of non-symmetrical tetrahydropyrazines from orthogonally protected diamines.