hydrogenchloride; sodium carbonate; acetone in water byproducts: hydrazodicarbonamide; addn. of aq. KOCN to warm (50-60°C) aq. soln. of hydrazine sulfate and Na2CO3; mixt. allowed to stand for 1 d; filtration of hydrazodicarbonamide; addn. of acetone; acetone semicarbazone extd. with ethanol and heated with concd. HCl;
NaOH in water pooring equimolar satd. solns. of educts into 0.5-3percent NaOH; extn. of phenylazide with ether, heating to chase out of NH3, acidified with H2SO4; distn.;
in water BaSO4 filtered off; neutralization; evapn. of filtrate at 40°C; drying over P2O5; N2H5NO3 sepd. from NaNO3 by melting (100-110°C) and extn. with MeOH;
catalyst: brominated Pd/Al2O3 in further solvent(s) Kinetics; O2 reduced with hydrazine sulfate over halogenated Pd/Al2O3 catalyst at 25°C for 0.5 h in aq.H3PO4;
参考文献
Choudhary, Vasant R.; Samanta, Chanchal; Jana, Prabhas
Chemical Communications, 2005 , # 43 p. 5399 - 5401
