The synthesis of 5,6-dihydro-3,3-dimethyl-4,1-benzoxazonine-2,7(1H,3H)dione and its conversion into 1,3-dihydro-3,3-dimethylfuro[3,4-b] quinolines

15 December 1979

journal article
research article
Published by Canadian Science Publishing in Canadian Journal of Chemistry

Vol. 57 (24) , 3296-3300
https://doi.org/10.1139/v79-538

Abstract

Periodate oxidation of 1,1-dimethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole 1 gave 5,6-dihydro-3,3-dimethyl-4,1-benzoxazonine-2,7(1H,3H) dione 2, a member of the novel 4,1-benzoxazonine ring system. Its conversion into 1,3-dihydro-3,3-dimethylfuro[3,4-b]quinolines is described.