IP Library Granted Patent US 9,073,894
Granted Patent B2
US 9,073,894 · App. 13/785,422 · Granted Jul 7, 2015

Phenicol antibacterials

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Quick Facts
Patent No.
US 9,073,894
App. No.
13/785,422
Granted
Jul 7, 2015
Kind
B2
Abstract

The present invention provides novel phenicol derivatives of formula I their use for the treatment of infections in mammals, pharmaceutical composition containing these novel compounds, and methods for the preparation of these compounds.

Claims (15)

1. A compound of formula II

its enantiomers, diastereomers, or pharmaceutical acceptable salts or prodrugs thereof wherein:

W is —H or —PO(OH) 2 ; and

X and Y are each independently halo.

2. The compound of claim 1 selected from group consisting of:

N-((1R,2S)-1-(4-(6-((RS)-1-aminoethyl)pyridin-3-yl)phenyl)-3-fluoro-1-hydroxypropan-2-yl)-2,2-difluoroacetamide; and

(1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-2-(2,2-difluoroacetamido)-3-fluoropropyl dihydrogen phosphate.

3. A compound which is N-((1R,2S)-1-(4-(64(RS)-1-aminoethyl)pyridin-3-yl)phenyl)-3-fluoro-1-hydroxypropan-2-yl)-2,2-difluoroacetamide.

4. A compound which is (1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-2-(2,2-difluoroacetamido)-3-fluoropropyl dihydrogen phosphate.

5. The compound of claim 1 selected from the group consisting of:

N-((1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-3-fluoro-1-hydroxypropan-2-yl)-2,2-dichloroacetamide;

(1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-2-(2,2-dichloroacetamido)-3-fluoropropyl hydrogen phosphate sodium;

(1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-2-(2,2-dichloroacetamido)-3-fluoropropyl dihydrogen phosphate; and

(1R,2S)-1-(4-(6-(1-aminoethyl)pyridin-3-yl)phenyl)-2-(2,2-difluoroacetamido)-3-fluoropropyl hydrogen phosphate sodium.

6. A pharmaceutical composition comprising a compound of claim 1 , or a pharmaceutically acceptable salt thereof and a pharmaceutically acceptable carrier.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 13, 2015
From: ZOETIS LLC
To: ZOETIS SERVICES LLC
Reel/Frame 035651/0817 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 19, 2013
From: BILLEN, DENIS; GOODWIN, RICHARD M.; HABER-STUK, ANDREA K.; KYNE, GRAHAM M.; SHEEHAN, SUSAN M. K.
To: ZOETIS LLC
Reel/Frame 030044/0100 →