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Details for Patent: 7,253,185

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Details for Patent: 7,253,185

Title:Amino ceramide-like compounds and therapeutic methods of use
Abstract: The present invention provides amino ceramide-like compounds which inhibit glucosyl ceramide (GlyCer) formation by inhibiting the enzyme GlyCer synthase, thereby lowering the level of glycosphingolipids. The compounds of the present invention have improved GlcCer synthase inhibition activity and are therefore useful in therapeutic methods for treating various conditions and diseases associated with altered glycosphingolipid levels.
Inventor(s): Shayman; James A. (Ann Arbor, MI), Harris; David J. (Lexington, MA), Siegel; Craig (Woburn, MA), Nelson; Carol A. (Westford, MA), Copeland; Diane P. (North Billerica, MA)
Assignee: The Regents of the University of Michigan (Ann Arbor, MI) Genzyme Corporation (Cambridge, MA)
Filing Date:Apr 29, 2005
Application Number:11/119,541
Claims:1. A pharmaceutical composition comprising a compound represented by the following structural formula: ##STR00006## or a stereoisomer, a pharmaceutically acceptable salt or a mixture thereof; and a pharmaceutically acceptable carrier or an excipient, wherein: R.sup.1 is a phenyl, a substituted phenyl group, a branched aliphatic group, or a 7-15 carbons long alkyl chain or a 7-15 carbons long alkenyl chain with a double bond next to the kernel; R.sup.2 is an alkyl group 6, 7, or 8 carbons long; and R.sup.3 is a pyrrolidine, azetidine or piperidine, in which the nitrogen atom is attached to the kernel.

2. The pharmaceutical composition of claim 1, wherein R.sup.1 is a phenyl group substituted with a functional group selected from the group consisting of a p-methoxy, hydroxyl, methylenedioxy, ethylenedioxy, trimethylenedioxy and cyclohexyl.

3. A pharmaceutical composition comprising a compound represented by the structural formula: ##STR00007## or a stereoisomer, a pharmaceutically acceptable salt or a mixture thereof; and a pharmaceutically acceptable carrier or an excipient, wherein: R.sup.1 is a substituted or unsubstituted phenyl group, a branched aliphatic group, or a 7-15 carbons long alkyl chain or a 7-15 carbons long alkenyl chain with a double bond next to the kernel; R.sup.2 is an alkyl group 6, 7, or 8 carbons long; and R.sup.3 is pyrrolidine, in which the nitrogen atom is attached to the kernel.

4. The pharmaceutical composition of claim 3, wherein R.sup.1 is a phenyl group substituted with a functional group selected from the group consisting of a p-methoxy, hydroxyl, methylenedioxy, ethylenedioxy, trimethylenedioxy and cyclohexyl.
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