Process for the manufacture of substituted 3-hydroxy-1,2,4-triaz

Details Process for the manufacture of substituted 3-hydroxy-1,2,4-triaz Process for the manufacture of substituted 3-hydroxy-1,2,4-triaz

1982-04-07

1984-08-21

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548265, C07D24912

Patent

active

044670982

ABSTRACT:
Manufacture of 3-hydroxy-1,2,4-triazoles by cyclization of corresponding semicarbazides by formic acid in the presence of an inorganic acid or halide thereof.

REFERENCES:
patent: 3862124 (1975-01-01), Dawes et al.
patent: 3862957 (1975-01-01), Dawes et al.
Widman et al., Ber. Deut. Chem. Gesel., vol. 26, pp. 2612-2617, (1893).

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