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Communication | Regular issue | Vol 3, No. 5, 1975, pp.405-411
Published online, 1st January, 1970
DOI: 10.3987/R-1975-05-0405
A Novel Phthalideisoquinoline Synthesis from the Benz[d]indeno[1,2-b]azeine

Tetsuji Kametani,* Shoji Hirata, Masataka Ihara, and Keiichiro Fukumoto

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Permanganate oxidation of 12-chloro-5,6,7,7a-tetrahydro-2,3,9,10-tetramethoxy-7-methylbenz[d]indeno[l,2-b]azepine (17) in the presence of piperidine, followed by reduction with sodium borohydride gave the phthalideisoquinoline (19).