IP Library Granted Patent US 11,518,745
Granted Patent B2
US 11,518,745 · App. 17/020,499 · Granted Dec 6, 2022

Heterocyclic compounds for the treatment of neurological and psychological disorders

Inventors: Julius F. Remenar (Framingham, MA); Laura Cook Blumberg (Lincoln, MA); Tarek A. Zeidan (Watertown, MA)
Assignee: ALKERMES PHARMA IRELAND LIMITED
C07D215/227A61K31/496A61K31/497C07D215/22C07D263/58C07D401/12C07D401/14C07D413/10C07D413/14C07D417/12C07D417/14C07D471/04C07F9/6558C07F9/65583C07D241/04
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 11,518,745
App. No.
17/020,499
Granted
Dec 6, 2022
Kind
B2
Abstract

Lactam compounds of Formula I and their use for the treatment of neurological and psychiatric disorders including schizophrenia, bipolar disorder, anxiety disorder and insomnia is disclosed.

Claims (29)

1. A process for the synthesis of a compound of Formula XXIV:

comprising the step of reacting a compound of Formula XXIII:

with paraformaldehyde;

wherein

represents a single or double bond;

Semicircle represents phenyl;

A is absent;

Cy 1 is heterocyclyl;

B is C 1 -C 10 alkyl;

D is —O—;

each G 1 and G 2 is —[C(R 10 )(R 11 )] t —;

t is 1;

R 10 and R 11 is independently absent, hydrogen, or halogen;

R 1 is optionally substituted aryl;

m and q are 0; and

R 101 and R 103 are hydrogen;

wherein a compound of Formula XXIV is formed.

2. The process according to claim 1 further comprising the step of reacting said compound of Formula XXIII with an acid anhydride.

3. The process according to claim 2 , wherein said acid anhydride is hexanoic anhydride or lauric anhydride.

4. The process according to claim 1 , wherein R 1 is

5. The process according to claim 1 , wherein Cy 1 is

6. The process according to claim 1 , wherein the compound of Formula XXIV is

and the compound of Formula XXIII is arioiorazole:

7. The process according to claim 2 , wherein the step of reacting said compound of Formula XXIII with an acid anhydride produces a compound of Formula

8. The process according to claim 1 , wherein the reaction is performed in triethylamine and dimethylformamide.

9. The process according to claim 1 , wherein the reaction is performed at 80° C.

10. The process according to claim 2 , wherein the reaction is performed in anhydrous tetrahydrofuran (THF).

11. The process according to claim 2 , wherein the reaction is performed at 60° C.

12. The process according to claim 2 , wherein triethylamine is added to the reaction.

Assignments (7)
SECURITY INTEREST Recorded Feb 13, 2026
From: ALKERMES PHARMA IRELAND LIMITED
To: JPMORGAN CHASE BANK, N.A. AS ADMINISTRATIVE AGENT
Reel/Frame 074858/0405 →
RELEASE OF SECURITY INTEREST IN PATENTS PREVIOUSLY RECORDED AT REEL/FRAME (073213/0302) Recorded Feb 13, 2026
From: JPMORGAN CHASE BANK, N.A., AS ADMINISTRATIVE AGENT
To: ALKERMES PHARMA IRELAND LIMITED
Reel/Frame 074858/0429 →
SECURITY INTEREST Recorded Oct 23, 2025
From: ALKERMES PHARMA IRELAND LIMITED
To: JPMORGAN CHASE BANK, N.A. AS ADMINISTRATIVE AGENT
Reel/Frame 073213/0302 →
RELEASE OF PATENT SECURITY AGREEMENTS Recorded Dec 24, 2024
From: MORGAN STANLEY SENIOR FUNDING, INC.
To: ALKERMES PHARMA IRELAND LIMITED
Reel/Frame 069771/0701 →
SECURITY AGREEMENT Recorded Jul 17, 2023
From: ALKERMES PHARMA IRELAND LIMITED
To: MORGAN STANLEY SENIOR FUNDING, INC.
Reel/Frame 064287/0082 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 2, 2022
From: ALKERMES, INC.
To: ALKERMES PHARMA IRELAND LIMITED
Reel/Frame 061280/0045 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 2, 2022
From: REMENAR, JULIUS F.; ZEIDAN, TAREK A.; BLUMBERG, LAURA COOK
To: ALKERMES, INC.
Reel/Frame 061280/0026 →