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1H-Benzotriazole, 4,5,6,7-tetrabromo-1-hydroxy- synthesis

1synthesis methods
-

Yield:1171842-29-7 23%

Reaction Conditions:

with hydrazine hydrate in ethanol;toluene; for 24 h;Reflux;

References:

Augustynowicz-Kopec, Ewa;Zwolska, Zofia;Orzeszko, Andrzej;Kazimierczuk, Zygmunt [Acta poloniae pharmaceutica,2008,vol. 65,# 4,p. 435 - 439] Location in patent:experimental part