CONVERSION DE L'ACETYL-5 URACILE EN DERIVES PYRAZOLIQUES PAR L'HYDRAZINE ET LES HYDRAZINES MONOSUBSTITUEES
5-Acetyl uracile 1 is easily transformed by hydrazine and methylhydrazine into 4-allophanoyl-3-methyl pyrazole 2 (R=H) and 4-allophanoyl-1,3-dimethyl pyrazole 2 (R=CH3).The pyrazoles 2, in boiling butanol and in the presence of hydrochloric acid lead resp
Bajnati, Abdelilah,Hubert-Habart, Michel
p. 540 - 547
(2007/10/02)
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