New method of the synthesis of dibenzo[a,f]quinolizine tetracycle as the cyclocondensation of 1-methyl-3,4-dihydroisoquinolines with 2-dimethylaminomethylene cyclohexanone
Al. Mikhalchuk et al., New method of the synthesis of dibenzo[a,f]quinolizine tetracycle as the cyclocondensation of 1-methyl-3,4-dihydroisoquinolines with 2-dimethylaminomethylene cyclohexanone, ZH ORG KH, 34(4), 1998, pp. 635-636