Patent · US Active

Process for the preparation of tetrazolytetrahydrocyclopentapyrazoles

US8168799B2 · kind B2 · utility

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12Claims
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Key dates

Filing dateApr 20, 2006
Grant dateMay 1, 2012
Priority date
Expiry dateOct 22, 2027

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D403/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for the preparation of a compound of formula (I), or a salt, hydrate or solvate thereof; wherein R1 and R2 are each independently hydrogen, or C1-6 alkyl groups or R1 and R2 are linked and, together with the cyclopentane carbon atoms to which they are attached, form a cyclopropyl ring.

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