Abstract: The invention provides a non-distillative process for manufacturing amphetamine and substituted amphetamines, comprising obtaining a highly pure phosphoramidate compound, converting the highly pure phosphoramidate compound to an amphetamine sulfate compound, concentrating the amphetamine sulfate compound in isopropanol, and then salting out the amphetamine compound directly to obtain an amphetamine salt, the amphetamine salt selected from amphetamine saccharate, amphetamine sulfate, amphetamine aspartate, alkyl-amphetamine saccharate, alkyl-amphetamine sulfate, alkyl-amphetamine aspartate, aryl-amphetamine saccharate, aryl-amphetamine sulfate, aryl-amphetamine aspartate, and mixtures thereof.
Type:
Grant
Filed:
February 22, 2023
Date of Patent:
January 27, 2026
Assignee:
Pharmapotheca A, Inc.
Inventors:
Harold Meckler, Darryl Cleary, Karl Popp, Heidi Schlager, Mozhgan Navidi, Joshua Malone
Abstract: This is invention is related to processes for synthesis of levoamphetamine derivatives and novel intermediates thereby, and processes for using the same.
Type:
Grant
Filed:
March 2, 2020
Date of Patent:
June 11, 2024
Assignee:
Pharmapotheca A, Inc.
Inventors:
Harold Meckler, Praveen Suryadevara, Marcus Brackeen, Darryl Cleary
Abstract: The invention also relates to pharmaceutical compositions comprising highly pure amphetamine and amphetamine-class compounds resulting from the synthesis of chiral and racemic amphetamine derivatives by stereospecific, regioselective cuprate addition reaction with aziridine phosphoramidate compounds, and to methods of manufacturing, delivering, and using the amphetamine compounds resulting from the synthesis of chiral and racemic amphetamine derivatives by stereospecific, regioselective cuprate addition reaction with aziridine phosphoramidate compounds.
Type:
Grant
Filed:
October 9, 2020
Date of Patent:
August 8, 2023
Assignees:
Pharmapotheca A, Inc., Chemapotheca, LLC