Hydrazone intermediates

Details Hydrazone intermediates Hydrazone intermediates

1996-04-15

1997-08-19

Raymond, Richard L.

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

Organic compounds

Carboxylic acid esters

561 35, 561 36, 561 37, C07C25176, C07C25186

Patent

active

056590644

ABSTRACT:
The present invention relates to a triazole compound represented by the formula (1): ##STR1## wherein R.sup.1 represents a lower alkyl group which may have a substituent; R.sup.2 and R.sup.3 represent respectively hydrogen, an aryl group, a benzoyl group, a tosyl group, a lower alkoxy carbonyl group, or an aryl sulfonyl group, each of which except for hydrogen may have a substituent; provided that when R.sup.2 is hydrogen, the triazole compound is represented by the formula (2): ##STR2## wherein R.sup.1 and R.sup.3 have the same as defined above.

REFERENCES:
patent: 4400517 (1983-08-01), Gozzo et al.
Tsuge et al., Heterocycles, vol. 38, No. 2, pp. 235-241. Feb. 1, 1994.
Journal of Organic Chemistry, vol. 41, No. 20, pp. 3233-3237. 1976; "Heterocycles from N-Ethoxycarbonylthioamides and Dinucleophilic Reagents. 1. Dihydro-1,2,4-triazolones and 1,2,4-Oxadiazolones", B. George, et al.
Tetrahedron vol. 31, pp. 2769-2774, Pergamon Press 1975; Spectres Photoelectroniques D'Heterocycles Carbonyles Et Thiocarbonyles; O. Guimon et al.
Research Institute of Industrial Science, Kyushu University; Nippon Kagaku Zosshi 89, pp. 69-74, 1968; Syntheses and Ring Closure Reactions of 1-Aryl-4-acyl-semicarbazides; O. Tsuge et al.
Tetrahedron, vol. 24, No. 14, pp. 5205-5214, Pergamon Press 1968; "Studies of Thiobenzoyl Isocyante With Hydrazines"; O. Tsuge, et al.

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