1: (1R)-N-prop-2-ynyl-2,3-dihydro-1H-inden-1-amine L-(+)-tartrate With ammonia in water pH=~ 8.5 - 9; 2: methanesulfonic acid in acetone T=25 - 30°C; 2 h; Product distribution / selectivity;
in water (N2); addn. of aq. soln. of methanesulfonic acid to aq. suspn. of silvercompd. at 20°C, stirring for 1 h at 20°C; filtration through celite, evapn. at 50°C in vac.;
