In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Product Details of 7651-81-2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 7651-81-2, name is Isoquinolin-3(2H)-one. In an article，Which mentioned a new discovery about 7651-81-2
A series of platinum(II) complexes bearing tridentate cyclometalated C^N^N (C^N^N=6-phenyl-2,2′-bipyridine and pi-extended R-C^N^N=3-[6′-(naphthalen-2”- yl)pyridin-2′-yl]isoquinoline) ligands with fluorene units have been synthesised and their photophysical properties have been studied. The fluorene units are incorporated into the cyclometalated ligands by a Suzuki coupling reaction. An increase in the pi-conjugation of the cyclometalated ligands confers favourable photophysical properties compared to the 6-phenyl-2,2′-bipyridine analogues. The fluorene-based platinum(II) complexes display vibronic-structured emission bands with Imax=558-601 nm, and high emission quantum yields up to 0.76 in degassed dichloromethane. Their emissions are tentatively assigned to excited states with mixed 3IL/3MLCT parentage (IL=intraligand, MLCT=metal-to-ligand charge transfer). The crystal structures of these platinum(II) complexes reveal extensive Pt II???pi and/or pi-pi interactions. The fluorene-based platinum(II) complexes are soluble in organic solvents, have high thermal stability with decomposition temperature >350 C, and can be thermally vacuum-sublimed or solution-processed as phosphorescent dopants for the fabrication of organic light-emitting diodes (OLEDs). A monochromic OLED with 3 d as dopant (2 wt %) fabricated by vacuum deposition gave a current efficiency of 14.7 cd A-1 and maximum brightness of 27000 cd m -2. A high current efficiency (9.2 cd A-1) has been achieved in a solution-processed OLED using complex 3 f (5 wt %) doped in a PVK (poly(9-vinylcarbazole)) host.
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Reference：
Isoquinoline – Wikipedia,
Isoquinoline | C9H366N – PubChem