UNEXPECTED TRANSFORMATION OF SPIRO-3-CYANOMETHYL-3-METHYL- 1,2,3,4,5,6-HEXAHYDROBENZO[F]ISOQUIN- OLINIUM-1,2'-(1',2',3',4'-TETRAHYDRO- NAPHTHALEN-1'-ONE) CHLORIDE TO SPIRO- 3,4,5,6-TETRAHYDRO-2H-BENZO[H]CHROMENE-2, 2'-(TETRAHYDRONAPHTHALEN-1'-ONE) ArticleSoldatova S.A., Soldatenkov A.T., Kotsuba V.E., Khrustalev V.N.Chemistry of Heterocyclic Compounds. Том 46. 2010. С. 123-124
