Location History:
- Seongnam-si, KR (2004 - 2005)
- Sungnam, KR (2007)
- Seongnam, KR (2006 - 2008)
Company Filing History:
Years Active: 2004-2008
Title: Kwang Hyeg Lee: Innovator in Chemical Synthesis
Introduction
Kwang Hyeg Lee is a prominent inventor based in Seongnam, South Korea. He has made significant contributions to the field of chemical synthesis, holding a total of seven patents. His work focuses on developing methods for preparing optically pure compounds, which have important applications in pharmaceuticals.
Latest Patents
One of his latest patents is a method of preparing optically pure phenethylamine derivatives. This method involves reacting (R)-2-(4-methoxy-3-aminosulfonyl-phenyl)-1-methylethylamine or its salts with various halogenated acetic acids in the presence of a base or an acylating agent. Another notable patent is for a method of preparing oltipraz, which includes reacting methyl 2-methyl-3-(pyrazin-2-yl)-3-oxopropionate with phosphorus pentasulfide in a mixed solvent of toluene and xylene, followed by recrystallization.
Career Highlights
Kwang Hyeg Lee is associated with CJ Corporation, where he continues to innovate in the field of chemical synthesis. His work has not only advanced the understanding of chemical processes but has also contributed to the development of new pharmaceutical compounds.
Collaborations
He collaborates with notable colleagues such as Dong Kwon Lim and Seong Hwan Cho, further enhancing the research and development efforts at CJ Corporation.
Conclusion
Kwang Hyeg Lee's contributions to chemical synthesis through his innovative patents demonstrate his expertise and commitment to advancing the field. His work continues to have a significant impact on the pharmaceutical industry.