Patent · US Expired

Antiparastic auermectin derivatives

US5883080A · kind A · utility

5Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 16, 1998
Grant dateMar 16, 1999
Priority date
Expiry dateJan 16, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P33/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Antiparasitic avermectin derivatives of formula (I), where the broken line represents an optional bond, R.sup.1 and R.sup.4 are independently H, OH, halo, oximino, or an organic radical, R.sup.2, R.sup.6 and R.sup.7 are organic radicals and R.sup.3 is alpha-oleandrosyl or 4'-(alpha-oleandrosyl)-alpha-oleandrosyl optionally substituted at the 4'- or 4"-position, and R.sup.12 and R.sup.13 are independently H, CN, CONH.sub.2, C.sub.1 -C.sub.8 alkyl or aryl optionally substituted with at least one halo, OH, C.sub.1 -C.sub.8 alkylthio group.

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