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2217-77-8

BIPHENYL-4-YL-HYDRAZINE HYDROCHLORIDE synthesis

5synthesis methods
-

Yield:2217-77-8 80%

Reaction Conditions:

with hydrazine hydrochloride;sodium t-butanolate;[Pd(cinnamyl)Cl]2;C27H38NP at 110;Product distribution / selectivity;

Steps:

5

0237] Example 4: Palladium-catalyzed cross-coupling of aryl chlorides and tosylates with hydrazine.[0238] The following ligands were screened for cross-coupling activity using the reaction above. The results of the ligand screen are provided in Figure 2.[0239] Ligand screen for the Pd-catalyzed cross-coupling of 4-phenylchlorobenzene and Ν2Η_(·Η20. Conditions: 0.15 mmol scale, 110°C 0.1 M in 1,4-dioxane. Conversions determined by GC. 12b = 6 mol% L25 employed.

References:

WO2012/68335,2012,A2 Location in patent:Page/Page column 56

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