In heterogeneous catalysis, the catalyst is in a different phase from the reactants. 21905-86-2, At least one of the reactants interacts with the solid surface in a physical process called adsorption in such a way. 21905-86-2, name is C9H6N2O2. In an article£¬Which mentioned a new discovery about 21905-86-2
EXAMPLE 63f Synthesis of Cinnoline-4-carboxylic acid [2-((S)-2-imidazol-1-yl-1-pyridin-3-yl-ethoxy)-5-oxo-5,6,7,8-tetrahydro-naphthalen-1-yl]-amide (Compound 63f) The procedure in Example 63d step 3 was followed using cinnoline-4-carboxylic acid. The reaction was stirred at RT for 1 day and at reflux for 1 day. Purification by chromatography (SiO2, 5-8% MeOH/CH2Cl2 with 1% NH4OH) afforded the title compound as a foam (63 mg, 0.125 mmol, 44%). The structure was confirmed by NMR and mass spectrometry. MS m/z 505 (M++H).
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Patent; Denny, William Alexander; Hutchings, Richard H; Johnson, Douglas S; Kaltenbronn, James Stanely; Lee, Ho Huat; Leonard, Daniele Marie; Milbank, Jared Bruce John; Repine, Joseph Thomas; Rewcastle, Gordon William; White, Andrew David; US2004/44057; (2004); A1;,
Cinnoline – Wikipedia
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