Basha, A.; Lipton, J. L.; Weinreb, S. M. "A mild, general method for conversion of esters to amides". Tetrahedron Lett.1977, 18, 4171–4172. DOI: 10.1016/S0040-4039(01)83457-2
Nahm, S.; Weinreb, S. M. "N-methoxy-N-methylamides as effective acylating agents". Tetrahedron Lett.1981, 22, 3815–3818. DOI: 10.1016/S0040-4039(01)91316-4