William A Nelson

Title: William A. Nelson: Innovator in Amine Preparation

Introduction

William A. Nelson is a notable inventor based in Lawrence, KS (US). He has made significant contributions to the field of chemistry, particularly in the preparation of amines. With a total of 2 patents to his name, his work has implications in various applications within the pharmaceutical industry.

Latest Patents

William A. Nelson's latest patents focus on innovative methods for amine preparation. One of his patents describes a method for making (R)-N-[1-(3-methoxyphenyl)ethyl]-3-(2-chlorobenzene)propanamine. This process involves reducing the appropriate amidyl or iminyl precursor with a suitable reducing agent. The precursor is synthesized using (R)-3-methoxy-.alpha.-methylbenzylamine. Another patent outlines a method for condensing a nitrile with a primary or secondary amine to form an imine. This reaction utilizes diisobutylaluminum hydride and is particularly effective for producing enantiomerically pure chiral imines, which can ultimately lead to the formation of amines.

Career Highlights

William A. Nelson is currently associated with NPS Pharmaceuticals, Inc., where he continues to advance his research and development efforts. His work has been instrumental in enhancing the understanding and application of amine synthesis in various chemical processes.

Collaborations

Some of his notable coworkers include Bradford C. VanWagenen and Steven R. Duff. Their collaborative efforts contribute to the innovative research environment at NPS Pharmaceuticals, Inc.

Conclusion

William A. Nelson's contributions to the field of amine preparation highlight his role as a significant inventor in the pharmaceutical industry. His innovative methods and collaborative spirit continue to drive advancements in chemical synthesis.