Patent · US Expired

2-Amino-5-(trifluoromethyl phenylalkyl)-1,3,4-thiadiazoles

US3965110A · kind A · utility

1Cited by
0References
8Claims
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Assignee

Inventors

Key dates

Filing dateNov 29, 1974
Grant dateJun 22, 1976
Priority date
Expiry dateNov 29, 1994

Classification

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

Abstract

2-amino-5-(substituted or unsubstituted phenylalkyl)-1,3,4-thiadiazoles, e.g., 2-amino-5-(3-trifluoromethylbenzyl)-1,3,4-thiadiazole, prepared, e.g., by ring closure, of corresponding 1-(substituted or unsubstituted phenylalkanoyl)-thio-semicarbazide in a strong acid medium. The compounds are useful as minor tranquilizers and sleep inducers.

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