ChemicalBook CAS DataBase List 1,2-Diphenylhydrazine

1,2-Diphenylhydrazine synthesis

13synthesis methods

Product Name:1,2-Diphenylhydrazine
CAS Number:122-66-7
Molecular formula:C12H12N2
Molecular Weight:184.24

495-48-7
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122-66-7
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1227476-15-4
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Yield:1227476-15-4 18% ，122-66-7 73%

Reaction Conditions:

with 1,3-bis(N',N'-dimethyl-4-aminopyridinium)propane diiodide;sodium hydride in N,N-dimethyl-formamide at 20; for 18 h;UV-irradiation;

Steps:

Table 2, entry 1
Azoxybenzene 16 (65.4 mg, 0.33 mmol) was treated with DMAP salt 9 (540.2 mg, 1.0 mmol) and sodium hydride (48.0 mg, 2.0 mmol) in dry DMF (5 mL) at room temperature under UV light for 18 h to afford azobenzene 17 (11 mg, 0.06 mmol, 18%) and 1,2-diphenylhydrazine 18 (44 mg, 0.24 mmol, 73%). NMR spectra details as above.

References:

Cumine, Florimond;Palumbo, Fabrizio;Murphy, John A. [Tetrahedron,2018,vol. 74,# 38,p. 5539 - 5545]

88-73-3 Synthesis