Charles S Kuivila

Title: The Innovations of Charles S. Kuivila

Introduction

Charles S. Kuivila is a notable inventor based in St. Louis, MO (US). He has made significant contributions to the field of chemistry, particularly in the synthesis of pharmaceutical compounds. His work has led to advancements in the preparation of amino acid esters, which are crucial in various medical applications.

Latest Patents

One of Kuivila's key patents is titled "Synthesis of methylphenidate and analogs thereof." This patent discloses a synthetic process for preparing amino acid esters, including methylphenidate. The process involves reacting an amino acid, such as α-phenyl-α-(2-piperidinyl)acetic acid, with an alcohol like methanol in the presence of an acid and a water sequestrant, such as trimethyl orthoacetate. In certain embodiments, the water sequestrant is added after an initial esterification period, allowing the reaction to continue. The α-phenyl-α-(2-piperidinyl)acetic acid methyl ester or its analog is then isolated from the reaction mixture. Additionally, one variation of the process allows for the recycling of supernatant liquid in subsequent runs to enhance yield and product purity. Kuivila holds 1 patent in this area.

Career Highlights

Charles S. Kuivila is associated with Mallinckrodt, Inc., where he has contributed to various innovative projects. His expertise in synthetic processes has been instrumental in developing new pharmaceutical products. His work has not only advanced the field of chemistry but has also had a positive impact on healthcare.

Collaborations

Throughout his career, Kuivila has collaborated with notable colleagues, including Carl J. Schaefer and Joseph P. Haar, Jr. These collaborations have fostered a productive environment for innovation and have led to significant advancements in their respective fields.

Conclusion

Charles S. Kuivila's contributions to the synthesis of pharmaceutical compounds highlight his role as an influential inventor. His innovative processes continue to impact the field of chemistry and healthcare positively.