2,3-substituted 1,8-naphthyridines, their preparation and their

Details 2,3-substituted 1,8-naphthyridines, their preparation and their 2,3-substituted 1,8-naphthyridines, their preparation and their

1990-03-01

1991-10-22

Robinson, Allan J.

Chemistry: fertilizers

Processes and products

Forms or conditioning

546122, 71 88, 71 90, 71 92, 71 95, 71 98, 71109, 71123, A01N 4390, C07D47102

Patent

active

050592408

ABSTRACT:
2,3-substituted 1,8-naphthyridines of the general formula I ##STR1## where: R is hydrogen or C.sub.1 -C.sub.4 -alkyl (n=1 or 2)

REFERENCES:
Tetrahedron Report Number 92, Heteroannelations with o-Amino-aldehydes, Caluwe, vol. 36, pp. 2359-2407 (1980).
1,8-Naphthyridines, Part II, Preparation and Some Reactions of 2-Substituted Derivatives, Hawes et al., J. Chem. Soc. (1967), pp. 1564-1568.

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