Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 92-70-6, Name is 3-Hydroxy-2-naphthoic acid, molecular formula is C11H8O3, belongs to naphthyridines compound, is a common compound. In a patnet, author is Kobayashi, Kazuhiro, once mentioned the new application about 92-70-6, Recommanded Product: 92-70-6.
A Convenient Synthesis of 4-Hydroxy-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamide Derivatives
A simple method for synthesizing 1-aryl-4-hydroxy-N,N-dimethyl-2-oxo-1,2-dihydro-1,8-naphthyridine-3-carboxamides has been developed. Thus, 3-(2-chloropyridin-3-yl)-N,N-dimethyl-3-oxopropanamide, easily prepared by treating ethyl 2-chloropyridine-3-carboxylate with lithium enolate of N,N-dimethylacetamide, smoothly reacts with a range of aryl isocyanates in the presence of two molar amounts of sodium hydride to provide the desired products ill moderate yields.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem