Reaction of trans-IrCl(CO)(PPh3)2 with RC6H4N2.BF4 (R = p-NO2, m-NO2, o-NO2, p-CN, o-CN, p-MeCO) in acetone gives [(RC6H4N2)IrCl(CO)(PPh3)2].BF4. When R = o-, m-MeCO, starting materials are recovered unreacted. In Cl-- contg. media, (RC6H4N2)IrCl2(CO)(PPh3)2 complexes are formed, even when R is an electron donor. Hydrogenation in H-satd. C6H6-EtOH or Me2CO did not occur.
New aryldiazo iridium(III) complexes as models in nitrogen fixation reactions producing ammonia and anilinesimultaneously
TONIOLO, Luigi
1976-01-01
Abstract
Reaction of trans-IrCl(CO)(PPh3)2 with RC6H4N2.BF4 (R = p-NO2, m-NO2, o-NO2, p-CN, o-CN, p-MeCO) in acetone gives [(RC6H4N2)IrCl(CO)(PPh3)2].BF4. When R = o-, m-MeCO, starting materials are recovered unreacted. In Cl-- contg. media, (RC6H4N2)IrCl2(CO)(PPh3)2 complexes are formed, even when R is an electron donor. Hydrogenation in H-satd. C6H6-EtOH or Me2CO did not occur.
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