Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1976-03-29
1979-02-06
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
250199, C07D49104
Patent
active
041384016
ABSTRACT:
2-Keto-6,7,8,9-tetrahydro-2H-pyrano(3,2-g)-quinoline and 2-keto-9-methyl-,8,9-tetrahydro-2H-pyrano(3,2-g)-quinoline, compounds useful as laser dyes, are prepared from 7-hydroxy-1,2,3,4-tetrahydroquinoline.
REFERENCES:
patent: 3629290 (1971-12-01), Cairns et al.
patent: 3923836 (1975-12-01), Bender et al.
Hammond, "Blue-green Lasing Dyes," (1973), pp. 6 and 16-19.
Adams (ed. in chief) Organic Reactions, vol. VII, pp. 7-11.
Hammond Peter R.
Schimitschek Erhard J.
Trias John A.
Daus Donald G.
Miller Roy
Mollick Don R.
Sciascia R. S.
The United States of America as represented by the Secretary of
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