Benzo(1,8)naphthyridine derivatives as intermediates

Details Benzo(1,8)naphthyridine derivatives as intermediates Benzo(1,8)naphthyridine derivatives as intermediates

1990-01-16

1990-11-13

Rotman, Alan L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

546 81, C07D47104, A61K 31435

Patent

active

049702130

ABSTRACT:
New benzo[b][1,8]naphthyridine derivatives of general formula (I) in which R is a hydrogen atom or an alkyl, fluoroalkyl, cycloalkyl (3 to 6 C), alkoxy, alkylamino or protected alkylamino radical, Hal is F, Cl or Br if R' is hydrogen, or Hal and R' are F, and Alk is an alkyl radical, and their preparation.
These new products can be used as intermediates for the preparation of biologically active products. ##STR1##

REFERENCES:
patent: 4133885 (1979-01-01), Bolhofer et al.
patent: 4229456 (1980-10-01), Bolhofer et al.
Chem. Abstr. vol. 61, No. 9, No. 10666g. Oct. 1964.

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