Bayer Aktiengesellschaft

Takashi Yoshiro

Timothy B Lowinger

Toshiki Murata

Yuji Koriyama

Tsutomu Masuda

Karl Ziegelbauer

Takuya Shintani

Kinji Fuchikami

Hiroki Sato

Hiroshi Komura

Sachiko Sakakibara

Hiroshi Kadono

Masaomi Umeda

Mitsuiyuki Shimada

Pyrimidine compounds of general formula: wherein &#x2014;Rrepresents in which Ris hydrogen, Calkyl, halogen, hydroxy, Calkoxy, nitro, amino, Calkylsulfonylamino, Calkoxycarbonyl, Calkylamino, di (Calkyl)amino, Calkanoylamino, phenyl Calkylamino, phenylsulfonylamino, or &#x2014;O&#x2014;(CH)&#x2014;R; Rrepresents hydrogen or halogen; Rrepresents hydrogen, &#x2014;CRRR; Ris hydrogen, carbamoyl, CN, carboxyl, etc.; Ris amino, Calkylamino, di Calkylamino, etc. or salt thereof. The compound has an excellent anti-inflammatory activity, and other biological activity.

Pyridine derivatives

This invention is to provide a process for producing 2-amino-4,6-disubstituted nicotinic acid ester analogs and salts thereof, comprising the reaction shown by the following scheme. The ester analogs can be prepared in one pot, and in good yield by using tertiary alkyl cyanoacetate. Furthermore, the method is useful for preparing derivatives of various analogs of the ester, e.g. alkyl substituted and aryl substituted analogs. 

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Nara-ken, Japan

Takashi Yoshiro