The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 13, 1977
Filed:
Jun. 12, 1975
Robert Hallas, Waukegan, IL (US);
Jerry Roy Martin, Waukegan, IL (US);
John Soloman Tadanier, Waukegan, IL (US);
Abbott Laboratories, North Chicago, IL (US);
Abstract
A 4'-O-sulfonyl erythromycin derivative of the following structural formula: ##STR1## where R is selected from the group consisting of oxygen, oxime, and substituted oxime, R.sub.1 is hydrogen or hydroxy and R.sub.2 is selected from the group consisting of phthalimide, substituted amides, benzamides, substituted benzamides, sulfonamides, substituted sulfonamides, amines, substituted amines, phenylurea, substituted phenylurea, phenylthiourea, substituted phenylthiourea, thiophenol and substituted thiophenol, phenoxides and substituted phenoxides and R.sub.3 is hydrogen or methyl. The present sulfonyl derivatives of erythromycin A, B and C are useful as antibiotics.