IP Library Granted Patent US 8,609,864
Granted Patent B2
US 8,609,864 · App. 13/143,155 · Granted Dec 17, 2013

Hydroxamic acid derivatives

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 8,609,864
App. No.
13/143,155
Granted
Dec 17, 2013
Kind
B2
Abstract

The disclosure includes hydroxamic compounds of Formula I: (I) wherein P, Z, and m are defined herein. Also disclosed is a method for treating a neoplastic disease or an immune disease with these compounds.

Claims (21)

1. A compound of Formula I, or a pharmaceutically acceptable salt thereof:

wherein

Z is deleted, C(R a R b ), O, S, C(O), N(R a ), SO 2 , OC(O), C(O)O, OSO 2 , S(O 2 )O, C(O)S, SC(O), C(O)C(O), C(O)N(R a ), N(R a )C(O), S(O 2 )N(R a ), N(R a )S(O 2 ), OC(O)N(R a ), N(R a )C(O)O, N(R a )C(O)S, or N(R a )C(O)N(R b ), in which each of R a and R b , independently, is H, alkyl, alkenyl, or alkynyl;

m is 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, or 16; and

P is

in which each of X 1 and X 2 independently, is halo or OSO 2 R c , in which R c is alkyl, alkenyl, or alkynyl; Q is cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, aryl, or heteroaryl, each of which, independently, is optionally substituted with alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, heterocycloalkenyl, aryl, heteroaryl, halo, nitro, oxo, —C═NH, cyano, OR d , OC(O)R d , OC(O)OR d , OC(O)SR d , SR d , C(O)R d , C(O)OR d , C(O)SR d , C(O)NR e R f , SOR d , SO 2 R d , NR e R f , or N(R e )C(O)R f , in which each of R d , R e , and R f , independently, is H, alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, halo, cyano, nitro, hydroxy, or alkoxy.

2. The compound or salt of claim 1 , wherein Z is deleted, CH 2 , O, CO, NH, SO 2 , OC(O), C(O)O, C(O)S, NHC(O), C(O)NH, OC(O)NH, NHC(O)O, or NHC(O)S; m is 5, 6, 7, or 8.

3. The compound or salt of claim 2 , wherein Q is an aryl or heteroaryl.

4. The compound or salt of claim 3 , wherein Q is a 9-10 membered aryl or heteroaryl.

5. The compound or salt of claim 4 , wherein P is

6. The compound or salt of claim 1 , wherein the compound is

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

8. A method of improving or relieving multiple myeloma, the method comprising administering to a subject in need thereof an effective amount of a compound or salt of claim 1 .

9. A method of improving or relieving multiple myeloma, the method comprising administering to a subject in need thereof an effective amount of a compound or salt of claim 5 .

10. A method of improving or relieving multiple myeloma, the method comprising administering to a subject in need thereof an effective amount of a compound or salt of claim 6 .

11. The compound or salt of claim 1 , wherein the compound is

12. A method of improving or relieving multiple myeloma, the method comprising administering to a subject in need thereof an effective amount of a compound or salt of claim 11 .

13. A pharmaceutical composition comprising a compound or salt of claim 5 and a pharmaceutically acceptable carrier.

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

15. A pharmaceutical composition comprising a compound or salt of claim 11 and a pharmaceutically acceptable carrier.

16. The compound or salt of claim 6 , wherein the salt is chloride, bromide, iodide, sulfate, bisulfate, sulfamate, nitrate, phosphate, citrate, methanesulfonate, trifluoroacetate, glutamate, glucuronate, glutarate, malate, maleate, succinate, fumarate, tartrate, tosylate, salicylate, lactate, naphthalenesulfonate, or acetate.

Assignments (7)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 3, 2019
From: LIGHT SCIENCES ONCOLOGY, INC.
To: PURDUE PHARMACEUTICAL PRODUCTS L.P.
Reel/Frame 049071/0108 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 1, 2019
From: PURDUE PHARMACEUTICAL PRODUCTS L.P.
To: LIGHT SCIENCES ONCOLOGY INC.
Reel/Frame 048751/0954 →
CORRECTIVE ASSIGNMENT TO CORRECT THE LISTED ASSIGNOR, AND THE ZIP CODE IN THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 029627 FRAME 0869. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNOR/CONVEYING PARTY IS NORTHLAKE INTERNATIONAL LLC, AND THAT THE ASSIGNEE ZIP CODE IS 06901. Recorded Jan 16, 2013
From: NORTHLAKE INTERNATIONAL LLC
To: PURDUE PHARMACEUTICAL PRODUCTS, L.P.
Reel/Frame 029638/0402 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 15, 2013
From: CHEN, YI
To: PURDUE PHARMACEUTICAL PRODUCTS, L.P.
Reel/Frame 029627/0869 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 6, 2011
From: NORTHLAKE BIOSCIENCES LLC
To: NORTHLAKE INTERNATIONAL LLC
Reel/Frame 027027/0296 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2011
From: CHEN, YU; CHEN, YI
To: CRYSTAL BIOPHARMACEUTICAL LLC
Reel/Frame 026578/0711 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 12, 2011
From: CRYSTAL BIOPHARMACEUTICAL LLC
To: NORTHLAKE BIOSCIENCES LLC
Reel/Frame 026578/0817 →