IP Library Granted Patent US 9,095,621
Granted Patent B2
US 9,095,621 · App. 12/989,074 · Granted Aug 4, 2015

Oligome-bis-chromonyl compound conjugates

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Quick Facts
Patent No.
US 9,095,621
App. No.
12/989,074
Granted
Aug 4, 2015
Kind
B2
Abstract

The invention provides oligomer-bis-chromonyl compound conjugates. The conjugates of the invention, when administered by any of a number of administration routes, exhibits advantages over previously administered compounds.

Claims (31)

1. A compound having the following structure:

wherein:

R 1 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

R 2 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

R 3 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

R 4 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

R 5 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

R 6 is selected from the group consisting of hydrogen, hydroxy, halo, lower alkyl, and lower alkoxy;

L is selected from —CH 2 —CH═CH—CH 2 —,

 —CH 2 —CH(OH)—CH 2 —, —CH 2 —CH(OH)—CH 2 —O—CH 2 —CH(OH)—CH 2 —, —CH 2 —O—CH 2 —, —CH 2 —CH 2 —CH(CH 3 )—CH 2 —CH 2 —, —CH 2 —CO—CH 2 —and —CH 2 —CH 2 —O—CH 2 —CH 2 —;

(a) is one;

(b) is one;

X 1 , when present, is a spacer moiety selected from the group consisting of —C(O)O—, —OC(O)—, —NH—C(O)O—, —OC(O)—NH— and a carbonyl;

X 2 , when present, is a spacer moiety selected from the group consisting of —C(O)O—, —OC(O)—, —NH—C(O)O—, —OC(O)—NH— and a carbonyl;

POLY 1 is a poly(ethylene oxide) oligomer having a number of repeating monomers in the range of from 1 to 30; and

POLY 2 is a poly(ethylene oxide) oligomer having a number of repeating monomers in the range of from 1 to 30.

2. The compound of claim 1 , wherein each poly(ethylene oxide) oligomer has a number of repeating monomers in the range of from 1 to 10.

3. The compound of claim 1 , wherein the poly(ethylene oxide) oligomer includes an alkoxy or hydroxy end-capping moiety.

4. A composition comprising: (i) a compound of claim 1 ; and (ii) a pharmaceutically acceptable excipient.

5. A composition of matter comprising a compound of claim 1 present in a dosage form.

6. A method of treating inflammation comprising administering to a subject a compound of claim 1 .

7. The compound of claim 1 , having the formula

wherein, in each appearance, (n) is an integer having a value of from 2 to 30.

8. The compound of claim 7 , having the formula

9. The compound of claim 8 , wherein in each appearance, (n) is an integer having a value of from 2 to 10.

10. The compound of claim 8 , wherein in each appearance, (n) is an integer having a value of 3 or 7.

11. A composition comprising: (i) a compound of claim 8 ; and (ii) a pharmaceutically acceptable excipient.

12. A composition of matter comprising a compound of claim 8 present in a dosage form.

13. A method of treating inflammation comprising administering to a subject a compound of claim 8 .

14. A method of treating asthma, allergic rhinitis, allergic conjunctivitis, mastocytosis, dermatographic urticaria, or ulcerative colitis comprising administering to a subject a compound of claim 8 .

15. A method of treating asthma, allergic rhinitis, allergic conjunctivitis, mastocytosis, dermatographic urticaria, or ulcerative colitis comprising administering to a subject a compound of claim 1 .

Assignments (5)
RELEASE OF SECURITY INTEREST Recorded Apr 17, 2020
From: TC LENDING, LLC, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 053180/0009 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL 28571, FRAME 0141 Recorded Oct 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 036866/0700 →
GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS Recorded Oct 6, 2015
From: NEKTAR THERAPEUTICS
To: TC LENDING, LLC, AS COLLATERAL AGENT
Reel/Frame 036796/0562 →
GRANT OF SECURITY INTEREST Recorded Jul 17, 2012
From: NEKTAR THERAPEUTICS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 028571/0141 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 26, 2011
From: RIGGS-SAUTHIER, JENNIFER; DENG, BO-LIANG
To: NEKTAR THERAPEUTICS
Reel/Frame 025699/0289 →