IP Library Granted Patent US 8,138,372
Granted Patent B2
US 8,138,372 · App. 12/138,097 · Granted Mar 20, 2012

Zwitterionic compounds and use thereof

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,138,372
App. No.
12/138,097
Granted
Mar 20, 2012
Kind
B2
Abstract

The present invention covers zwitterionic, non-surface-active compounds in the form of carboxymethylated, short-chain dialkylaminoalkylamides and use thereof as therapeutic agent.

Claims (36)

1. A compound of general formula I

where

n=1 to 6,

m=1,

R 1 and R 2 , independently of one another, are identical or different, aliphatic hydrocarbon radicals having 1 to 6 carbon atoms,

Y is a divalent hydrocarbon radical, and

X is hydrogen.

2. The compound according to claim 1 , wherein n=3.

3. The compound according to claim 1 , wherein R 1 ═R 2 ═CH 3 .

4. The compound according to claim 1 , wherein Y═CH 2 .

5. The compound according to claim 1 , wherein n=3, R 1 ═R 2 ═CH 3 , and Y═CH 2 .

6. A therapeutic active ingredient including a compound of claim 1 .

7. A method for the treatment of dermatological disorders comprising administering a compound of claim 1 to a human including at least one dermatological disorder.

8. A method for the treatment of inflammatory skin disorders comprising administering a compound of claim 1 to a human including at least one inflammatory disorder.

9. A process for the preparation of a compound of general formula I

where

n=1 to 6,

m=1,

R 1 and R 2 , independently of one another, are identical or different, aliphatic hydrocarbon radicals having 1 to 6 carbon atoms,

Y is a divalent hydrocarbon radical, and

X is hydrogen,

said process comprising:

reacting, in a first reaction step, a carboxylic acid according to formula II

with an amine of formula III

to produce an amidoamine according to formula IV

where

n=1 to 6,

m=1,

R 1 and R 2 , independently of one another, are identical or different, aliphatic hydrocarbon radicals having 1 to 6 carbon atoms, and

X is hydrogen;

and

reacting, in a second reaction step, the amidoamine of formula IV obtained in the first reaction step with an ω-halocarboxylic acid or its salt which has an acid radical according to formula V

to give the compound of the formula I

where

Z=a halogen, and

Y is a divalent hydrocarbon radical.

Assignments (2)
CHANGE OF NAME Recorded Apr 29, 2021
From: EVONIK DEGUSSA GMBH
To: EVONIK OPERATIONS GMBH
Reel/Frame 056082/0455 →
MERGER Recorded Feb 26, 2014
From: EVONIK GOLDSCHMIDT GMBH
To: EVONIK DEGUSSA GMBH
Reel/Frame 032335/0326 →