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. 27, 1983
Filed:
Apr. 09, 1982
James B McAlpine, Libertyville, IL (US);
Ronald E Carney, Gurnee, IL (US);
Abbott Laboratories, North Chicago, IL (US);
Abstract
Disclosed herein are fortimicin derivatives represented by the formula: ##STR1## wherein R.sub.z is a monocyclicaryloxycarbonyl amine protecting group, or is loweralkyl, hydroxyloweralkyl, loweracyl, hydroxyloweracyl, or a monocyclicaryloxycarbonyl-protected aminoloweralkyl, diaminoloweralkyl, N-loweralkylaminoloweralkyl, N,N-diloweralkylaminoloweralkyl, aminohydroxyloweralkyl, N-loweralkylaminohydroxy-loweralkyl, N,N-diloweralkylaminohydroxyloweralkyl, aminoloweracyl, diaminoloweracyl, N-loweralkylaminoloweracyl, N,N-diloweralkylaminoloweracyl, or aminohydroxyloweracyl; R.sub.1 is hydroxy or loweracyloxy; R.sub.2 is hydrogen, hydroxy or --OR.sub.4, wherein R.sub.4 is tert-butyldimethylsilyl or thiocarbonylimidazoyl; or R.sub.1 and R.sub.2 can be taken together to form ##STR2## wherein R.sub.5 and R.sub.6 are loweralkyl; R.sub.3 is hydroxy or loweracyloxy; and z is a monocyclicaryloxycarbonyl amine protecting group. The compounds are useful as intermediates in the preparation of 3-demethoxyfortimicins.