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253-52-1, One of the major reasons for studying chemical kinetics is to use measurements of the macroscopic properties of a system, such as the rate of change in the concentration of reactants or products with time.In a article, authors is Magriz, Antonio, mentioned the application of 253-52-1, Name is Phthalazine, molecular formula is C8H6N2

Phthalazin-2-ylidenes as cyclic amino aryl carbene ligands in rhodium(I) and iridium(I) complexes

The direct metalation of phthalazinium halides with [Rh( tBuO)(COD)]2 or [Ir(tBuO)(COD)]2 led to the isolation of stable [MCl(phthalazin-2-ylidene)X(COD)] (M = Rh, Ir) as a new family of cyclic amino aryl carbene transition metal complexes. The X-ray diffraction analysis of several representatives systematically revealed a relatively short C(aryl)-C(carbene) bond distance of 1.44-1.46 A, shorter than the typical C(sp2)-C(sp2) single bond, indicating some electron density delocalization from the pi system of the aryl ring over the vacant carbene orbital.

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Reference£º
Phthalazine – Wikipedia,
Phthalazine | C8H6N275 – PubChem