Company Filing History:
Years Active: 1976-1977
Title: Walter Joseph Stepek: Innovator in Catalytic Dehydrogenation Processes
Introduction
Walter Joseph Stepek is a notable inventor based in Trenton, NJ (US). He has made significant contributions to the field of chemistry, particularly in the development of catalytic dehydrogenation processes. With a total of 2 patents, his work has advanced the preparation of complex chemical compounds.
Latest Patents
Stepek's latest patents focus on a catalytic dehydrogenation process for the preparation of 3,5-disubstituted pyrazoles. This innovative process involves several key steps: first, the reaction of a methyl ketone, such as acetophenone, with an appropriate aldehyde, like benzaldehyde, in the presence of a base to form a 1,3-disubstituted α,β-unsaturated ketone. Next, the acidification of this unsaturated ketone is performed, followed by treatment with hydrazine to create a disubstituted pyrazoline. Finally, the catalytic dehydrogenation of the pyrazoline yields the desired 3,5-disubstituted pyrazole.
Career Highlights
Walter Joseph Stepek is associated with the American Cyanamid Company, where he has applied his expertise in chemical processes. His work has contributed to advancements in the field and has been recognized within the industry.
Collaborations
Throughout his career, Stepek has collaborated with notable colleagues, including Murray Garber and Lawrence J Ross. These partnerships have fostered innovation and have led to the successful development of his patented processes.
Conclusion
Walter Joseph Stepek's contributions to the field of chemistry, particularly in catalytic dehydrogenation processes, highlight his role as an influential inventor. His work continues to impact the preparation of complex chemical compounds, showcasing the importance of innovation in scientific research.