Patent · US Expired

Urea oligomers, the preparation method thereof and pharmaceutical composition containing same

US7691899B2 · kind B2 · utility

0Cited by
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16Claims
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Key dates

Filing dateOct 2, 2002
Grant dateApr 6, 2010
Priority date
Expiry dateAug 10, 2025

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/82
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds having a general formula X-(A)n-Y, wherein: n varies between 6 and 20; X denotes a hydrogen atom, an RaCO, RaOCO, RaNHCO or RaSO2 group, Ra being an alkyl, alkenyl, alkynyl, aryl, aralkyl, heteroaryl group, the groups being substituted or not, on condition that X is different from H when n is equal to 6; A denotes either a group having formula (I) or (II), wherein Ri is a hydrogen atom, an amino acid side chain, an alkyl, alkenyl, alkynyl, aryl, aralkyl or heteroaryl group, said groups being substituted or not, i being an integer of between 1 and n; Y is an NRbRc, Rb and Rc group having the same meaning as given earlier for Ra. The compounds are used for the preparation of medicaments that are intended to treat bacterial, fungal or cytotoxic diseases and, in particular, fungal infections, such as aspergillosis and candidiasis, and resistant bacterial infections.

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