Diacylation of pyrazolotriazoles

Details Diacylation of pyrazolotriazoles Diacylation of pyrazolotriazoles

1989-11-30

1990-12-11

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D48702

Patent

active

049772694

ABSTRACT:
A 1,7-diacetylpyrazolotriazole was prepared by acid catalyzed acetylation of 6-methyl-3-[3-(4-nitrophenyl)propyl]-1H-pyrazolo[5,1-C]-1,2,4-triazole. Hydrolysis gave the 7-acetylpyrazolotriazole. Oxidation converted the 7-acetylpyrazolotriazole to a 7-acetoxypyrazolotriazole.

REFERENCES:
patent: 3725067 (1973-04-01), Bailey et al.
patent: 4621046 (1986-11-01), Sato et al.
STN International, File CA106(12):93564g, Ishii Fumio et al.: "Silver Halide Photographic Photosensitive Materials" & Japan Kokai Tokkyo Koho JP 61159648, Jul. 19, 1986.
STN International, File CA89(14):112295u, Goddard, J. D.: "Synthesis of 1H-Pyrazolo[3,2-c]-s-Triazole-7-Carboxaldehydes" & Res. Disol., 169, 18(Eng)1978.
STN International, file CA106(6):41543e, Nakayama Noritaka et al.: "Silver Halide Color Photographic Photosensitive Material", & Japan Kokai Tokkyo Koho JP 6114467, Jul. 2, 1986.
STN International, File CA 109(14):119551q, Kida Shuji et al.: "Silver Halide Color Photographic Material Containing Bleach-Promotor-Releasing Couplers", & Japan Kokai Tokkyo Koho Japan 63070854, Mar. 31, 1988.
STN International, file CA109 (20):180315g, Yamashita Kiyoshi: "Bleach-Promoting Agent for Silver Halide Color Photographic Processing", & Japan Kokai Tokkyo Koho JP 63073247, Apr. 2, 1988.
STN International, file CA106(18):147024b, Wada Hajime et al.: "Silver Halide Color Photographic Material", & Japan Kokai Tokkyo Koho JP61177455, Aug. 9, 1986.
Research Discl. No. 169, May 1978, Entry 16940 & (Chem. Abstr. vol. 89, Entry 112295u 1978).

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