Anion–cation synergistic metal-free catalytic oxidative homocoupling of benzylamines by triazolium iodide salts

Abstract

Triazolium iodide salts are excellent catalysts for the selective oxidative coupling of benzylamines to yield imines. This metal-free reaction proceeds in quantitative spectroscopic yields when run in refluxing 1,2-dichlorobenzene and...

4-Phenyl-1,2,3-triazoles as Versatile Ligands for Cationic Cyclometalated Iridium(III) Complexes

“…The N–N bond distances were found to be almost identical (i.e., 1.32 and 1.31 Å), as well as the N–CH 3 ones (i.e.,1.46 and 1.46 Å; see detailed crystal data in the Supporting Information). These results are in agreement with a previously reported structure …”

“…These results are in agreement with a previously reported structure. 59 The obtained ligands were then exploited in different cyclometallation reactions to get the desired iridium(III) complexes. In detail, complexes 1 and 4 were obtained by means of the most straightforward route that involves the direct cyclometalation of iridium(III) chloride hydrate (IrCl 3 • xH 2 O) with ligand A, as previously reported.…”

I2/TBHP-mediated oxidative cascade cyclization of vinyl azide and benzylamine to construct 2,5-disubstituted oxazoles

“…Noticeably, a much lower quantity of 3a was obtained, indicating that benzylamine may be converted into other by-products. 12 Next, we carried out the reaction by the subsequent addition of benzylamine, and 61% yield of the desired product was obtained. Then we started the experiment with phenylglyoxal B which successfully converted to the expected cyclized product 3a in 84% yield.…”