Enamine intermediates for the preparation of substituted pyridyl

Details Enamine intermediates for the preparation of substituted pyridyl Enamine intermediates for the preparation of substituted pyridyl

1995-01-23

1996-03-26

Raymond, Richard L.

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

Organic compounds

Esters having the thiocarboxylate group, -cx-, wherein the...

560173, 564337, 564342, 564344, 564345, C07C21128, C07C22930, C07C32722

Patent

active

055022332

ABSTRACT:
##STR1## Substituted pyridylpyrimidines have formula (I), in which A and Ar have the meaning given in the test of the description. Also disclosed are their preparation, their use and new initial products. The compounds having formula (I) may be prepared from appropriate salts of 2-pyridylamidine with appropriate enamines; said enamines are also new and disclosed by the invention, and may be prepared from appropriate ketones with appropriate formaldehyde derivates.

REFERENCES:
patent: 3141880 (1964-07-01), Martin
patent: 3285915 (1966-11-01), Martin
Bossert et al, Chemical Abstracts, vol. 86 (1977) 29638a.
Kashima et al, Chemical Abstracts, vol. 91 (1979) 157207Z.
Yamaguchi et al, Chemical Abstracts, vol. III (1989) 97095f.

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