106-49-0, Name is p-Toluidine, molecular formula is C7H9N, Quality Control of p-Toluidine, belongs to naphthyridines compound, is a common compound. In a patnet, author is Alekseeva, A. Yu., once mentioned the new application about 106-49-0.
Synthesis of fused derivatives of 1,8-naphthyridine
Reactions of aromatic aldehyde, 2-aminoprop-1-ene-1,1,3-tricarbonitrile and cyclic enhydrazinoketones led to the formation of N-substituted 5-aryl-2,4-diamino-6-oxo-5,6,7,8,9,10-hexahydrobenzo[b][1,8]- naphthyridine-3-carbonitriles.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem