ammonium chloride in water

oxygen; dl-cysteine hydrochloride; ammonium chloride in water 36 h;

ammonium hydroxide; L-cysteine monohydrochloride powder; oxygen; ammonium chloride; BaCl2 1.) H2O, 90 deg C, 15 min, 2.) H2O, RT, 45 h; Yield given. Multistep reaction;

ammonium hydroxide in water Heating;

ammonium hydroxide; hydrogen bromide; bromine; triphenylphosphine in ethanol; N,N-dimethyl acetamide; water; acetic acid; benzene

1: 2,4-diamino-6-(hydroxymethyl)pteridine hydrochloride With bromine; triphenylphosphine in isobutyramide T=0 - 20°C; 20 h; 2: p-(N-methyl)-amino-benzoic acid With N-ethyl-N,N-diisopropylamine in isobutyramide T=60 - 70°C; 24 h; 3: With hydrogenchloride; sodium hydroxide more than 3 stages;

hydrogen bromide; acetic acid in water T=20°C; 96 h;