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A novel method is described for conversion of indan-1-one into enamines of 2-cyanoindan-1-one and thence to 10-amino-11H-indeno[1,2-b]quinolines (11).

Novel Synthesis of 2-Cyanoindan-1-one Enamines.-A novel protocol for the synthesis of enamines of 2-cyanoindanones [cf. (IV)] and their conversion into benzo-fused tacrine analogues (V) is described. -(HARVEY, A. L.; MACTAVISH, J.; MULLINS, S. J.; PROCTOR, G. R.; J.

Reductive Alkylation of Pyridinium Salts. Part 2. Utilization of Di-, Tetra-and Hexahydropyridine Esters.-Some useful synthetic applications of the pyridine esters prepared in the preceding paper are investigated. -(MCCULLOUGH, K. J.; MACTAVISH, J.; PROCTOR, G. R.; REDPATH, J.; J.