In an article, author is Fayol, A, once mentioned the application of 620-92-8, Name is 4,4′-Methylenediphenol, molecular formula is C13H12O2, molecular weight is 200.23, MDL number is MFCD00002385, category is naphthyridines. Now introduce a scientific discovery about this category, Formula: C13H12O2.
Multicomponent synthesis of epoxy-tetrahydronaphthyridine and structural diversification by subsequent fragmentation
Three-component reaction of an alpha-isocyanoacetamide 7, an homoallylamine 8 and an aldehyde 9 in methanol at room temperature provides oxa-bridged tricycle 4 in good to excellent yield as a mixture of two separable diastereoisomers. In this one-pot multicomponent process, one C-N, one C-O and three C-C bonds are formed with concomitant creation of five asymmetric centers and three rings. Fragmentation of epoxy-tetrahydronaphthyridine 4 affords differentially substituted 5,6,7,8-tetrahydro-1,7-naphthyridine (5, 6) depending on the reaction conditions, providing thus additional structural diversity. A one-pot three-component synthesis of 5,6,7,8-tetrahydro-1,7-‘naphthyridine (6) from 7, 8 and 9 is also documented. (c) 2005 Elsevier Ltd. All rights reserved.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem