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SYNTHESIS AND REACTIONS OF METHYL 8-ARYL-6-METHYL-9-OXO-8,9-DIHYDRO-5H-DIBENZO[4,5:6,7]CYCLOHEPTA[1,2-b]PYRIDINE-7-CARBOXYLATES

O. Kodolins, V. Lusis, D. Muceniece
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Abstract


A method for the synthesis of methyl 4-aryl-6-methyl-9-oxo-8,9-dihydro-5H-dibenzo[4,5:6,7]cyclohepta[1,2-b]pyridine-7-carboxylates from 6-arylidenedibenzo[a,c][7]annulene-5,7(6H)-diones and methyl 3-aminocrotonate has been developed. The alkylation, oxidation, and reduction of the obtained annulated dihydropyridines were studied.

How to Cite
Kodolins, O.; Lusis, V.; Muceniece, D. Chem. Heterocycl. Compd. 2014, 50, 1270. [Khim. Geterotsikl. Soedin. 2014, 1378.]

For this article in the English edition see DOI 10.1007/s10593-014-1589-x


Keywords


6-arylidenedibenzo[a,c][7]annulene-5,7(6H)-diones; dibenzo[4,5:6,7]cyclohepta[1,2-b]pyridine; diphenic anhydride; fused 1,4-dihydropyridines

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