Patent · US Expired

C-23-Modified derivatives of OMT, pharmaceutical compositions and method of use

US4459290A · kind A · utility

5Cited by
6References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 19, 1982
Grant dateJul 10, 1984
Priority date
Expiry dateJul 19, 2002

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61P31/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

C-23-Modified derivatives of 5-O-mycaminosyl-tylonolide (OMT) of the formula: ##STR1## wherein R is chloro, fluoro, --S--R.sup.4, azido, --NHR.sup.5, pyridinium, or --OSO.sub.2 CF.sub.3 ; PA1 R.sup.1 is hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl, phenylpropionyl, phenoxyacetyl or phenylthioacetyl; PA1 R.sup.2 and R.sup.3 are hydrogen, optionally substituted C.sub.1 -C.sub.5 -alkanoyl or optionally substituted benzoyl, phenylacetyl or phenylpropionyl; PA1 R.sup.4 is hydrogen, optionally substituted C.sub.1 -C.sub.6 -alkyl, cyclohexyl, C.sub.1 -C.sub.5 alkanoyl, optionally substituted phenyl or benzyl, or an optionally substituted heteroaryl group selected from imidazolyl, pyrazolyl, pyridyl, pyrimidyl, pyrazinyl, pyridazinyl, triazinyl, triazolyl, tetrazolyl, oxazolyl, isoxazolyl, oxadiazolyl, thiazolyl, isothiazolyl, thiadiazolyl, thienyl and furanyl; and PA1 R.sup.5 is hydrogen or an acyl group selected from optionally substituted C.sub.1 -C.sub.5 -alkanoyl, optionally substituted benzoyl, phenylacetyl, or phenylpropionyl or optionally substituted phenylglycyl or phenylalanyl; and of the formula: ##STR2## wherein: R.…

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