Company Filing History:
Years Active: 1978-1980
Title: The Innovative Contributions of William A. Day
Introduction
William A. Day is a notable inventor based in Indianapolis, IN, who has made significant contributions to the field of pharmaceuticals. With a total of 7 patents to his name, he has focused on developing innovative compounds that have potential therapeutic applications.
Latest Patents
Among his latest patents, Day has worked on the stereoselective preparation of hexahydro dibenzopyranones. This involves the reaction of an optically active 4-(4-substituted-2,6-dihydroxyphenyl)-6,6-dimethyl-2-norpinanone with a protonic acid to yield an optical isomer of a cis-1-hydroxy-3-substituted-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one. Additionally, the reaction of this norpinanone with a Lewis acid provides an optical isomer of trans-1-hydroxy-3-substituted-6,6-dimethyl-6,6a,7,8,10,10a-hexahydro-9H-dibenzo[b,d]pyran-9-one. His work also includes the development of 9-amino-dibenzopyrans, which are useful as analgesics, anti-depressants, anti-anxiety agents, and hypotensive agents.
Career Highlights
William A. Day is currently associated with Eli Lilly and Company, a leading pharmaceutical firm. His innovative work has contributed to advancements in drug formulations and therapeutic methods, particularly in treating hypertension.
Collaborations
Throughout his career, Day has collaborated with esteemed colleagues such as Robert A. Archer and Edward R. Lavagnino. These collaborations have further enhanced the impact of his research and innovations in the pharmaceutical industry.
Conclusion
William A. Day's contributions to the field of pharmaceuticals through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of important therapeutic agents.