hydrazine hydrate; palladium on activated charcoal in tetrahydrofuran T=-20 - 0°C; 1.5 h;

1: 52 percent Turnov. / NaNO2; acetic acid / H2O / 3.5 h / 0 - 20 °C 2: 93 percent / hydrazine hydrate / Pd/C / tetrahydrofuran / 1.5 h / -20 - 0 °C View Scheme

1: 20 percent Turnov. / 15-crown-5; NaNH2 / xylene / 1.5 h / 130 °C 2: 52 percent Turnov. / NaNO2; acetic acid / H2O / 3.5 h / 0 - 20 °C 3: 93 percent / hydrazine hydrate / Pd/C / tetrahydrofuran / 1.5 h / -20 - 0 °C View Scheme

3-(n-morpholino)-propane sulfonic acid in water T=25°C; Hydrolysis; dimerization; pH=6.5; 1 h; Solvolysis; Kinetics;

in methanol; acetic acid T=0°C; Acetylation; 0.166667 h;