Company Filing History:
1 out of 5 
1 out of 7 Years Active: 2007
Title: Subhasish K Chakraborty: Innovator in Pharmaceutical Synthesis
Introduction
Subhasish K Chakraborty is a notable inventor based in Hsinchu, Taiwan. He has made significant contributions to the field of pharmaceutical chemistry, particularly in the synthesis of important compounds used in medical treatments.
Latest Patents
Chakraborty holds a patent for a process for the preparation of tamsulosin and its aralkylamine derivatives. This invention discloses a new method for synthesizing tamsulosin, especially the compound (R)-(−)-5-{2-[2-(2-alkoxyphenoxy) ethylamino]propyl}-2-alkoxybenzenesulfonamides. Tamsulosin hydrochloride is known for its role as an antagonist of α-A adrenoceptors in the prostate. The compound occurs as white crystals that melt with decomposition at approximately 230°C. It is sparingly soluble in water and methanol, slightly soluble in glacial acetic acid and ethanol, and practically insoluble in ether.
Career Highlights
Throughout his career, Chakraborty has worked with various companies, including Well-being Biochemical Corporation and Taiwan Biotech Co., Ltd. His expertise in pharmaceutical synthesis has positioned him as a valuable asset in the industry.
Collaborations
Chakraborty has collaborated with notable colleagues such as Ru Hwu Jih and Shwu Chen Tsay. These partnerships have contributed to his innovative work in the field.
Conclusion
Subhasish K Chakraborty is a distinguished inventor whose work in pharmaceutical synthesis has led to significant advancements in medical treatments. His contributions continue to impact the field positively.