Patent · US Expired

Piperazinone, piperazine, 1,4-diazepin-2-one and 1,4-diazepine intermediate compounds

US4534897A · kind A · utility

3Cited by
1References
36Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1984
Grant dateAug 13, 1985
Priority date
Expiry dateApr 10, 2004

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S930/27
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The compounds of the following formulas ##STR1## where W is hydrogen, benzyloxycarbonyl, or t-butoxycarbonyl useful as intermediates for preparing piperazine, piperazinone, 1,4-diazepine and 1,4-diazepin-2-one polypeptide compound.

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