Patents by Inventor Zrinka Banic-Tomisic

Zrinka Banic-Tomisic has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Secomacrolides from class of erythromycins and process for their preparation
    Patent number: 6077944
    Abstract: The invention relates to novel secomacrolides from the class of erythromycin A, potential intermediates for preparation of novel macrolide antibiotics general formula ##STR1## and its pharmaceuticaly acceptable addition salts with inorganic or organic acids, wherein R.sub.1 represents hydrogen, C.sub.1 -C.sub.4 alkanoyl group, arylcarbonyl group and together with R.sub.2 and carbon atoms to which they are bound, cyclic carbonyl or thiocarbonyl group, R.sub.2 represents hydrogen or together with R.sub.1 and carbon atoms to which they are bound, cyclic carbonyl or thiocarbonyl group, R.sub.3 represents hydrogen, C.sub.1 -C.sub.4 alkanoyl or arylcarbonyl group,Z is hydrogen or L-cladinosyl group represented by formula (i) ##STR2## wherein R.sub.4 represents hydrogen or C.sub.1 -C.sub.4 alkanoyl group, W is hydrogen or D-desosaminyl group represented by formula (ii) ##STR3## wherein R.sub.5 represents hydrogen or C.sub.1 -C.sub.4 alkanoyl or arylcarbonyl group,X and Y together represent a lactone, or X is CH.sub.
    Type: Grant
    Filed: March 12, 1998
    Date of Patent: June 20, 2000
    Assignee: Pliva Farmaceutska, Kemijska, Prehrambena i Kozmeticka Industrija, Dionicko Drustvo
    Inventors: Gorjana Lazarevski, Gabrijela Kobrehel, Amalija Narandja, Zrinka Banic-Tomisic