Location History:
- Wilmington, DE (US) (1994 - 1996)
- New Castle County, DE (US) (1993 - 1997)
- Berwyn, PA (US) (1997 - 2002)
Company Filing History:
6 out of 1,197 
3 out of 207 
2 out of 23 Years Active: 1993-2002
Title: Michael K O'Brien: Innovator in Chiral Chemistry
Introduction
Michael K O'Brien is a distinguished inventor based in Berwyn, PA (US). He has made significant contributions to the field of chiral chemistry, holding a total of 13 patents. His work focuses on the development of methods for the stereospecific preparation of various chemical compounds.
Latest Patents
One of his latest patents is titled "Stereospecific preparation of chiral 1-aryl- and 1-heteroaryl-2-substituted ethyl-2-amines." This invention is directed to methods for stereospecifically preparing [(1-optionally substituted aryl)- or (1-optionally substituted heteroaryl)]-2-substituted ethyl-2-amines, which possess chirality at the 2-position. Additionally, he has developed a patent for "Alpha-substitution of unprotected β-amino ester compounds." This patent outlines methods for stereoselective substitution, where a (mono or un)-α-substituted unprotected β-amino ester compound or its salt is reacted with an aliphatic electrophile in the presence of specific bases.
Career Highlights
Throughout his career, Michael K O'Brien has worked with notable companies such as Hercules Corporation and Aventis Pharmaceuticals Inc. His expertise in chiral chemistry has allowed him to make impactful advancements in the pharmaceutical industry.
Collaborations
Michael has collaborated with esteemed colleagues, including Robert P Grasso and Paul J Shannon. These partnerships have further enriched his research and development efforts.
Conclusion
Michael K O'Brien's innovative work in chiral chemistry and his impressive portfolio of patents highlight his significant contributions to the field. His collaborations and career achievements reflect his dedication to advancing chemical science.
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