Browsing Vol. 04 Núm. 2 (1990) by Subject "Química Orgánica"
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2, 4-Dinitrofenilhidrazonas de ß-halocetoesteres alilicos
(Pontificia Universidad Católica del PerúPE, 1990)Conventional methods for forming 2, 4-dinitrophenylhydrazones usually leave traces of acids complexed with derivatives and cause variable melting points. NMR studies showed that traces of acids catalyse the syn-anti ...