Soviet Physics Journal. Том 14. 1974. С. 1541-1544
A structural analog of morphinan- 2,3-dimethyl-6,7-benzo-5,9-(1′,2′-indano)-2-azabicyclo-[3.3.1]non-6-ene -was synthesized from 3-methyl-2-azafluorene. © 1974 Consultants Bureau, a division of Plenum Publishing Corporation.