Process for preparing 5-amino-1,2,3-thiadiazoles

Details Process for preparing 5-amino-1,2,3-thiadiazoles Process for preparing 5-amino-1,2,3-thiadiazoles

1980-04-22

1981-05-26

Rollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28506

Patent

active

042699827

ABSTRACT:
There is provided a process for preparing a 5-amino-1,2,3-thiadiazole represented by the formula ##STR1## wherein R represents a hydrogen atom, a lower alkyl group or an aryl group, which comprises bringing a diazoacetonitrile represented by the formula ##STR2## wherein R has the same meaning as defined above, into contact with hydrogen sulfide in the presence of a base or with a salt of hydrogen sulfide, in a solvent.

REFERENCES:
patent: 4113733 (1978-09-01), Kruger

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