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63543-02-2

Hydrazine, (4-biphenylyl)-, hydrochloride synthesis

2synthesis methods
-

Yield:63543-02-2 84%

Reaction Conditions:

Stage #1: 4-bromo-1,1'-biphenylwith potassium phosphate;copper(l) iodide;N,N′-bis(2,6-dimethylphenyl)oxalamide;cetyltrimethylammonim bromide in water at 80; for 0.25 h;Schlenk technique;Inert atmosphere;Sealed tube;
Stage #2: with hydrazine hydrate in water at 80;Inert atmosphere;Schlenk technique;Sealed tube;
Stage #3: with hydrogenchloride in water; pH=3 - 4;Inert atmosphere;Schlenk technique;Sealed tube;

References:

Kumar, Siripuram Vijay;Ma, Dawei [Chinese Journal of Chemistry,2018,vol. 36,# 11,p. 1003 - 1006] Location in patent:supporting information