Patent · US Expired

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

US4283543A · kind A · utility

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2References
25Claims
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Assignee

Inventors

Key dates

Filing dateOct 19, 1979
Grant dateAug 11, 1981
Priority date
Expiry dateOct 19, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D285/135
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.