成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List 1,2-Diphenylhydrazine
122-66-7

1,2-Diphenylhydrazine synthesis

13synthesis methods
-

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]

1,2-Diphenylhydrazine Related Search: