4 A molecular sieve; N-ethyl-N,N-diisopropylamine; (S)-1-methyl-2-[(N-benzyl-N-methylamino)methyl]pyrrolidine in dichloromethane; N,N-dimethyl-formamide T=-78°C; 3 h; Title compound not separated from byproducts;
Mueller, Christian E.; Zell, Daniela; Hrdina, Radim; Wende, Raffael C.; Wanka, Lukas; Schuler, Soeren M. M.; Schreiner, Peter R.
Journal of Organic Chemistry, 2013 , vol. 78, # 17 p. 8465 - 8484