Preparation of cinchona alkaloid intermediates

Details Preparation of cinchona alkaloid intermediates Preparation of cinchona alkaloid intermediates

1975-01-09

1976-11-02

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260283S, 260283P, 260287CE, 260295R, C07D40106

Patent

active

039896919

ABSTRACT:
4-[3-(3-vinyl-1-acetyl-4-piperidyl)-1-propenyl]-6-methoxyquinoline, the corresponding epoxide and related compounds, useful in the synthesis of Cinchona alkaloids, are prepared by introducing an ylid group in the 4-position of a suitably substituted quinoline and reacting this ylid with an N-acetyl-4-piperidineacetaldehyde.

REFERENCES:
patent: 3772302 (1973-11-01), Gutzwiller et al.
Gates, "JACS" 92 pp. 205-207, (1970).

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