A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 89343-06-6, Name is Ethynyltriisopropylsilane, molecular formula is C11H22Si. In an article, author is Wu, Hui,once mentioned of 89343-06-6, Application In Synthesis of Ethynyltriisopropylsilane.
Silica Gel-Catalyzed One-Pot Syntheses in Water and Fluorescence Properties Studies of 5-Amino-2-aryl-3H-chromeno[4,3,2-de][1,6]naphthyridine-4-carbonitriles and 5-Amino-2-aryl-3H-quinolino[4,3,2-de][1,6]naphthyridine-4-carbonitriles
The silica get-catalyzed synthesis of 5-amino-2-aryl-3H-chromeno[4,3,2-de][1,6]naphthyridine-4-carbonitriles and 5-amino-2-aryl-3H-quinolino[4,3,2-de][1,6]naphthyidine-4-carbonitriles were simply achieved upon the one-pot cascade reaction of malononitrile with Substituted 2-hydroxyacetophenone (or 2-aminoacetophenone) and aromatic aldehyde in aqueous media. The mechanistic investigation results based on electrospray ionization mass spectrometry (ESI-MS) indicated that malononitrile displayed a dual role during this transformation. Thirteen bonds were cleaved and 12 new bonds were constructed in the formation of 5-amino2-aryl-3H-chromeno[4,3,2-de][1,6]naphthyridine-4-carbonitriles, while only 2 H2O molecules were removed. The fluorescence properties screening showed five new compounds have high fluorescence quantum yields.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem