Process for O-acylating thallus salts of 2-pyridone

Details Process for O-acylating thallus salts of 2-pyridone Process for O-acylating thallus salts of 2-pyridone

1974-05-21

1977-04-26

Jiles, Henry R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260295R, C07D21364

Patent

active

040200736

ABSTRACT:
Thallous salts of .beta.-dicarbonyl compounds, prepared by reaction of the .beta.-dicarbonyl compounds with a thallous alkoxide, are treated with alkyl halides to give C-alkyl products in high yield, with acyl halides at room temperature to give C-acyl products, and with acyl halides at low temperatures to give O-acyl products. Thallous phenolates are esterified with acyl or aroyl halides. Anhydrides are also prepared, as are biaryls and bi-sec-alkyls. N-heterocyclics, including purines and pyrimidines, are N-alkylated. Lactams are O-acylated or N-alkylated.

REFERENCES:
zagorevskii, "Chem. Abstracts," vol. 52, pp. 8108-8109, (1958).
Sakuragi, "Chem. Abstracts," vol. 72, p. 303, No. 110397d, (1970).
Elderfield, "Heterocyclic Compounds," vol. I, (1955), p. 535.
Tschitschibabin et al., "Ber.," vol. 58, (1925), pp. 2650-2652.
Cotton et al., "Advanced Inorganic Chemistry," (1962), pp. 345-346.

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