Method of preparing 2-keto-4,6,8,8-tetramethyl-8,9-dihydro-2H-py

Details Method of preparing 2-keto-4,6,8,8-tetramethyl-8,9-dihydro-2H-py Method of preparing 2-keto-4,6,8,8-tetramethyl-8,9-dihydro-2H-py

1981-10-05

1983-04-19

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

25230117, 25230126, 8444, 372 53, 372 54, C07D47104

Patent

active

043806341

ABSTRACT:
A laser dye, 2-keto-4,6,8,8-tetramethyl-8,9-dihydro-2H-pyrano(3,2-g) quinoline, is prepared by mixing m-aminophenol and ethyl acetoacetate and heating the mixture.

REFERENCES:
patent: 3707447 (1972-12-01), Alexander et al.
patent: 3857793 (1974-12-01), Pappalardo et al.
patent: 3860886 (1975-01-01), McColgin et al.
patent: 3986140 (1976-10-01), Angadiyavar et al.
patent: 4026898 (1977-05-01), Henry et al.
patent: 4138401 (1979-02-01), Hammond et al.
Atkins et al., J. Org. Chem., 43, pp. 1975-1980 (1978).
Elderfield (Ed.), "Heterocyclic Compounds, vol. 4, (1952) pp. 22, 23 and . 7
Henry et al., J. Heterocylic Chem., vol. 14, pp. 1109-1114 (1977).
Hammond et al., Appl. Phys. 9 p. 67 (1976).
Woods et al., J. of Chem. & Eng. Data, vol. 13, No. 3, pp. 440-442 (1968).
Pechman, Berichte, 32, pp. 3681-3690 (1899).
Pechman et al., Berichte, 32, pp. 3696-3704 (1899).

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