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Paper | Regular issue | Vol 34, No. 6, 1992, pp.1177-1182
Published online, 1st January, 1970
DOI: 10.3987/COM-92-6010
Oxidative Coupling of 4-Substituted N,N-Dimethylanilines with Cyclic Vinyl Ethers in the Presence of Either Manganese(II) or Cobalt(II) Nitrate under Oxygen

Satoru Murata, Koji Teramoto, Masahiro Miura,* and Masakatsu Nomura

*Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565, Japan


The reaction of 4-substituted N,N-dimethylanilines with 2,3-dihydrofuran and 3,4-dihydro-2H-pyran proceeds in the presence of a catalytic amount of manganese(II) or cobalt(II) nitrate under oxygen to give the corresponding hexahydrofuro- and hexahydro-2H-pyrano[3,2-c]quinolines, respectively.