Company Filing History:
Years Active: 2012-2016
Title: John E Johnson, Jr.: Innovator in Morphinan Chemistry
Introduction
John E Johnson, Jr. is a notable inventor based in Maryville, IL, known for his contributions to the field of morphinan chemistry. With a total of three patents to his name, he has made significant strides in developing processes that enhance the synthesis of various morphinan compounds.
Latest Patents
His latest patents showcase innovative methodologies that are transforming the landscape of morphinan synthesis. One of his prominent inventions is the patent titled "Reductive amination of 6-keto morphinans by catalytic hydrogen transfer." This invention provides compositions of 6-amino morphinan compounds and outlines processes for their synthesis, specifically focusing on the reductive amination of 6-keto morphinans through catalytic transfer hydrogenation. This process results in 6-amino morphinan compounds that are epimerically and/or diastereomerically enriched.
Another significant patent is the "Preparation of 10-keto morphinans by benzylic oxidation." This invention presents processes for preparing 10-keto and/or 10-hydroxy morphinans. It details a methodology for creating a 10-keto morphinan through chromium-catalyzed benzylic oxidation of a morphinan with periodic acid.
Career Highlights
John E Johnson, Jr. has demonstrated his expertise and commitment to innovation through his work at Mallinckrodt, Inc., a company that is dedicated to delivering high-quality pharmaceutical products. His efforts have undoubtedly added value to the organization and reinforced its position as a leader in the pharmaceutical field.
Collaborations
Throughout his career, Johnson has collaborated with esteemed professionals in the field, including Christopher W Grote and Frank William Moser, contributing to a collective advancement in morphinan chemistry and its applications.
Conclusion
In summary, John E Johnson, Jr. stands out as a dedicated inventor whose work has paved the way for new developments in the synthesis of morphinan compounds. His patents not only reflect his innovative spirit but also contribute to the broader pharmaceutical landscape, showcasing the importance of research and collaboration in driving advancements.