| 摘要 |
PCT No. PCT/EP94/02233 Sec. 371 Date Feb. 12, 1996 Sec. 102(e) Date Feb. 12, 1996 PCT Filed Jul. 7, 1994 PCT Pub. No. WO95/04733 PCT Pub. Date Feb. 16, 1995Triazolopyridines of the formula where R1 is unsubstituted or substituted C1-C20-alkyl, unsubstituted or substituted phenyl or unsubstituted or substituted mercapto, R2 is hydrogen, formyl, nitroso, cyano or substituted methyl, R3 is unsubstituted or substituted C1-C4-alkyl, C1-C4-alkoxycarbonyl or phenyl, R4 is hydrogen, cyano, carbamoyl, carboxyl or C1-C4-alkoxycarbonyl and R5 is hydroxyl, mercapto, halogen, unsubstituted or substituted amino or the radical of a CH-acidic compound, and processes for preparing triazolopyridines are described.
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