IP Library › Granted Patent US 10,828,288

Granted Patent B2

US 10,828,288 · App. 15/545,971 · Granted Nov 10, 2020

Hydrazone derivatives for the treatment of cancer

Inventors: David J. Augeri (New Brunswick, NJ); Anthony F. Bencivenga (New Brunswick, NJ); Adam Blanden (Syracuse, NY); Darren R. Carpizo (New Brunswick, NJ); John A. Gilleran (New Brunswick, NJ); Spencer David Kimball (New Brunswick, NJ); Stewart N. Loh (Syracuse, NY); Xin Yu (New Brunswick, NJ)

Assignees: Rutgers, the State University of New Jersey; The Research Foundation for the State University of New York

A61K31/4439 A61K31/4427 C07D401/12 C07D403/12 C07D413/12 C07D417/12 C07D513/04

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Quick Facts

Patent No.: US 10,828,288
App. No.: 15/545,971
Granted: Nov 10, 2020
Kind: B2

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Abstract

The invention provides compounds of formula (I): and salts thereof wherein ring A, R 2 , HET, X, n, and R 3 have any of the meanings described in the specification, as well as compositions comprising such compounds and salts, and methods for treating cancer using such compounds and salts.

Claims (72)

1. A compound of formula (I):

or a salt thereof, wherein:

the ring A is a fused benzo;

X is S, O, —CH═CH—, or N—R a ;

HET is selected from the group consisting of:

wherein HET is optionally substituted with one or more groups R 1 independently selected from halo, cyano, hydroxy, nitro, —N(R a ) 2 , carboxy, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, (C 2 -C 6 )alkanoyloxy,

wherein any phenyl, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, azido, cyano, hydroxy, nitro, —N(R b ) 2 , carboxy, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, (C 2 -C 6 )alkanoyloxy, and (C 1 -C 6 )alkoxy that is optionally substituted with carboxy;

each R 2 is independently selected from the group consisting of H, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, —N(R c ) 2 , (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, and (C 2 -C 6 )alkanoyloxy;

n is 0, 1, 2, 3, or 4;

each R 3 is independently selected from halo, cyano, hydroxy, —N(R d ) 2 , carboxy, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 1 -C 6 )alkoxy, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, cyano, hydroxy, nitro, —N(R c ) 2 , carboxy, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy;

R a is selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, —N(R g ) 2 , morpholino, and (C 1 -C 6 )alkoxy; or two R a taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

each R b is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, heteroaryl, and (C 1 -C 6 )alkoxy; or two R b taken together with the nitrogen to which they are attached form an azetidino, pyrrolidino, piperidino, or morpholino ring; and

each R c is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R c taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

each R d is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R d taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

R e is independently selected from the group consisting of H and (C 1 -C 6 )alkyl that is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, —N(R f ) 2 , and (C 1 -C 6 )alkoxy;

each R f is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R f taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring; and

each R g is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R g taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

wherein if HET is not substituted with one or more groups R 1 , then R 2 is not H, methyl, ethyl, propyl, isopropyl, butyl, tert-butyl, cyclopropyl, cyclohexyl, phenyl, benzyl or 2-pyridyl; and provided the compound is not:

2. The compound of claim 1 which is a compound of formula (Ia):

or a salt thereof, wherein:

X is S, O, N—H, or N—R a ;

HET is selected from the group consisting of:

wherein any phenyl, (C 1 -C 6 )alkyl, (C 1 -C 6 )alkoxy, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, cyano, hydroxy, nitro, —N(R b ) 2 , carboxy, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy;

R 2 is selected from the group consisting of H, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, —N(R c ) 2 , (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, and (C 2 -C 6 )alkanoyloxy;

n is 1, 2, 3, or 4;

R a is selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R a taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

wherein if HET is not substituted with one or more groups R 1 , then R 2 is not H, methyl, ethyl, propyl, isopropyl, butyl, tert-butyl, cyclopropyl, cyclohexyl, phenyl, benzyl or 2-pyridyl.

3. The compound of claim 1 or a salt thereof, wherein:

HET is selected from the group consisting of:

wherein HET is optionally substituted with one or more groups independently selected from halo, cyano, hydroxy, nitro, —N(R a ) 2 , carboxy, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, cyano, hydroxy, nitro, —N(R a ) 2 , carboxy, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy;

R 2 is selected from the group consisting of H, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, —N(R b ) 2 , (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, and (C 2 -C 6 )alkanoyloxy;

or R 1 and R 2 taken together with the carbon to which they are attached form a bicyclic 9- or 10-membered nitrogen ring system comprising 1, 2, 3, or 4 nitrogen atoms and at least one aromatic ring;

n is 1, 2, 3, or 4;

each R a is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R a taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring; and

each R b is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R b taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring;

4. A compound of formula (I):

or a salt thereof, wherein:

X is S, O, N—H, or N-Me;

HET is selected from the group consisting of:

R 2 is selected from the group consisting of H, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, —N(R b ) 2 , (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, and (C 2 -C 6 )alkanoyloxy;

n is 0, 1, 2, 3, or 4;

each R 3 is independently selected from halo, cyano, hydroxy, —N(R c ) 2 , carboxy, phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy, wherein any phenyl, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 1 -C 6 )alkoxy, and (C 3 -C 6 )cycloalkyl, is optionally substituted with one or more groups independently selected from halo, cyano, hydroxy, nitro, —N(R c ) 2 , carboxy, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkoxy, (C 1 -C 6 )alkanoyl, (C 1 -C 6 )alkoxycarbonyl, and (C 2 -C 6 )alkanoyloxy;

each R b is independently selected from the group consisting of H, (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, wherein any (C 1 -C 6 )alkyl, (C 2 -C 6 )alkenyl, (C 2 -C 6 )alkynyl, (C 3 -C 6 )cycloalkyl, (C 1 -C 6 )alkanoyl, and (C 1 -C 6 )alkoxycarbonyl, is optionally substituted with one or more groups independently selected from halo, (C 3 -C 6 )cycloalkyl, and (C 1 -C 6 )alkoxy; or two R b taken together with the nitrogen to which they are attached form a azetidino, pyrrolidino, piperidino, or morpholino ring; and

5. The compound or salt of claim 4 wherein each HET is independently selected from the group consisting of:

6. The compound or salt of claim 4 wherein each HET is independently selected from the group consisting of:

wherein HET is optionally substituted with one or more groups independently selected from (C 1 -C 6 )alkyl and —N(R a ) 2 .

7. The compound or salt of claim 4 wherein R 2 is selected from the group consisting of H, methyl, ethyl, propyl, isopropyl, butyl, tert-butyl, allyl, cyclopropyl, phenyl, benzyl, CH 2 CH 2 OCH 3 , and CH 2 CH 2 —N(CH 3 ) 2 .

8. The compound or salt of claim 4 wherein R 2 is selected from the group consisting of methyl, ethyl, isopropyl, and tert-butyl.

9. A compound that is selected from the group consisting of:

or a salt thereof.

10. A compound that is selected from the group consisting of:

or a salt thereof.

11. A compound that is selected from the group consisting of:

or a salt thereof.

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

13. An injectable pharmaceutical formulation comprising, a compound of claim 1 or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable carrier.

14. The compound:

or a salt thereof.

Assignments (2)

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 22, 2020

From: AUGERI, DAVID J.; BENCIVENGA, ANTHONY F.; CARPIZO, DARREN R.; GILLERAN, JOHN A.; KIMBALL, SPENCER DAVID; YU, XIN

To: RUTGERS, THE STATE UNIVERSITY OF NEW JERSEY

Reel/Frame 053851/0730 →

ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 22, 2020

From: BLANDEN, ADAM; LOH, STEWART N.

To: THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK

Reel/Frame 053851/0759 →

Continuity (3)

Provisional Application 62108415 · Jan 27, 2015

Provisional Application 62258256 · Nov 20, 2015

Related Publication 20180000806A1 · Jan 4, 2018

Cited By (2)

US 12,280,065 US 12,344,626