Heterocyclic-amino-acrylic acid derivatives

Details Heterocyclic-amino-acrylic acid derivatives Heterocyclic-amino-acrylic acid derivatives

1975-09-17

1978-05-16

Rotman, Alan L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260287F, 260287AR, 260295AM, 2602955A, 2602955R, 544356, 544336, 544405, 544408, 544409, 544406, 544407, 544292, 544293, 544332, 544329, 544322, C07D21302

Patent

active

040898580

ABSTRACT:
The present invention is concerned with the preparation of chemical intermediates, namely, beta-amino-acrylic acid ester derivatives of nitrogen heterocycles, i.e. pyridine, quinoline, quinoxaline, pyrazine, pyrimidine and the like. Said intermediates are cyclized to form pyrido-pyrimidine type final products possessing analgesic activity.

REFERENCES:
klingsberg, Pyridine and Its Derivatives, Part Three, pp. 20 and 45, and front page, Interscience Publishers (1962).
Lappin, J. Am. Chem. Soc. vol. 70, pp. 3348 to 3349 (1948).
Antaki, J. Am. Chem. Soc. vol. 80, pp. 3066 to 3069 (1958).
Hauser et al, J. Org. Chem col. 14, pp. 453 to 459 (1949).
Rubtsov, J. Gen. Chem. (USSR) vol. 9, pp. 1517 to 1524 (1939).
Chemical Abstracts vol. 34, col. 2845 (1940) (abst. of Rubtsov).

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