Some examples of the diverse research done by chemistry experts include discovery of new medicines and vaccines, improving understanding of environmental issues, and development of new chemical products and materials. 89343-06-6, Name is Ethynyltriisopropylsilane, molecular formula is C11H22Si, Safety of Ethynyltriisopropylsilane, belongs to naphthyridine compound, is a common compound. In a patnet, author is Wu, Hui, once mentioned the new application about 89343-06-6.
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