1954
DOI: 10.1002/hlca.19540370630
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Synthese einiger 14C‐signierter Dioxo‐diäthyl‐hydro‐pyridine und Untersuchungen über deren Verteilung, Verweilzeit und Ausscheidung bei der Ratte

Abstract: Volumen XXXVII, Fasciculus VI (1954) -No. 213-214. SUMMARY. 1839By alkylation of the pyrazole derivatives obtained from disubstituted cyano-acetic acid esters and hydrazine (formula 1) a, series of l-alkyl-3-amino-4,4-disubstituted-5-oxo-pyrazolines (7) was obtained. These were further alkylated to 1,a-dialkyl derivatives (8). From the compounds 1 the 5-halogenated iminopyrazolines 9 were obtained with POCl, or PBr,. The 4-methyl-4-n-butyl-5-bromo derivat,ive of this series has valuable sedative properties. Ca… Show more

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