Process for preparing the compound 5-t-butyl-2-methylamino-1,3,4

Details Process for preparing the compound 5-t-butyl-2-methylamino-1,3,4 Process for preparing the compound 5-t-butyl-2-methylamino-1,3,4

1979-10-19

1981-08-11

Hollins, Alton D.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D28512

Patent

active

042835437

ABSTRACT:
A process for preparing the compound 5-t-butyl-2-methylamino-1,3,4-thiadiazole, ##STR1## in high yield by the reaction of 4-methyl-3-thiosemicarbazide with pivalic acid in a solution containing both polyphosphoric acid and concentrated sulfuric acid, followed by neutralizing the reaction mixture with a neutralizing mixture comprising an organic solvent and an alkaline substance dissolved in water and separating 5-t-butyl-2-methylamino-1,3,4-thiadiazole from the organic phase.

REFERENCES:
patent: 3887572 (1975-06-01), Tao
patent: 4086077 (1978-04-01), Doyle

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