Process of making naphthacene from propargyl alcohol

Details Process of making naphthacene from propargyl alcohol Process of making naphthacene from propargyl alcohol

2008-01-29

2008-01-29

Dang, Thuan Dinh (Department: 1764)

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

C585S469000

Reexamination Certificate

active

07323610

ABSTRACT:
A process for synthesizing a naphthacene compound comprises the steps of:(a) reacting a propargyl alcohol compound with a reagent capable of forming a leaving group to form a reaction mixture containing an intermediate; and then(b) heating the intermediate in the presence of a solvent and in the absence of any oxidizing agent and in the absence of any base, to form the naphthacene compound.

REFERENCES:
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Moureu et al., Bull. de la Soc., Chim. de Fr. (1930), vol. 47, pp. 216-221.
Wittig et al., J. Fur Praktische Chemie, (1942), vol. 160, pp. 242-244.
Rigaudy et al., Tetrahedron (1977), vol. 33, pp. 767-773.
W. J. Begley, et al, “Synthesis Process”, U.S. Appl. No. 10/899,825, (D-87611) filed herewith.
W. J. Begley, et al, “Synthesis Process”, U.S. Appl. No. 10/899,919, (D-88535) filed herewith.

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