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2005
Triazine derivatives
R 0655
Reactions of 4-Hydroxy-3,5-di-tert-butylbenzylhydrazine with β-Chloroethyl Isoand Isothiocyanates. — In the reaction of hydrazine (I) with β-chloroethyl
37- 161 cyanate
isocyanate (II), an unexpected debenzylation occurs to form the dealkylated cyclization
product (III). This unusual cyclization is studied by treating (II) with hydrazine hydrate
or arylhydrazines (V) and by the reactions of hydrazine hydrate, (I) or (V) with isothiocyanates (VII). — (DINOIU*, V.; BADEA, F.; Rev. Roum. Chim. 49 (2004) 11,
897-903; Nenitzescu Inst. Org. Chem., Roum. Acad., RO-77208 Bucharest, Rom.;
Eng.) — R. Langenstrassen
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