In heterogeneous catalysis, the catalyst is in a different phase from the reactants. Application In Synthesis of 6-Chloropyridazine-3-carbonitrile, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 35857-89-7, name is 6-Chloropyridazine-3-carbonitrile. In an article，Which mentioned a new discovery about 35857-89-7
We report the discovery and optimisation of a series of 8-(2,3-dihydro-1,4-benzoxazin-4-ylmethyl)-2-morpholino-4-oxo-chromene-6-carboxamides, leading to compound 16 as a potent and selective PI3Kbeta/delta inhibitor: PI3Kbeta cell IC50 0.012 muM (in PTEN null MDA-MB-468 cell) and PI3Kdelta cell IC50 0.047 muM (in Jeko-1 B-cell), with good pharmacokinetics and physical properties. In vivo, 16 showed profound pharmacodynamic modulation of AKT phosphorylation in a mouse PTEN-deficient PC3 prostate tumour xenograft after a single oral dose and gave excellent tumour growth inhibition in the same model after chronic oral dosing. Compound 16 was selected as a preclinical candidate for the treatment of PTEN-deficient tumours.
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Reference：
Pyridazine – Wikipedia,
Pyridazine | C4H4N901 – PubChem