Location History:
- Ibaraki, JP (1978)
- Ibaraki, JA (1978)
Company Filing History:
Years Active: 1978
Title: Tadao Terasawa: Innovator in Oxa- and Thia-Steroids
Introduction
Tadao Terasawa is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of pharmaceuticals, particularly in the development of novel contraceptive compounds. With a total of two patents to his name, Terasawa's work is recognized for its innovative approach to steroid synthesis.
Latest Patents
Tadao Terasawa's latest patents focus on a novel type of oxa- and thia-steroids. His inventions include 16-Oxa- and 16-thia-D-homo-estrogen derivatives, which are useful as postcoital oral contraceptives. These compounds are produced through total synthesis from 1-vinyltetralin-1-ols or their thiuronium derivatives, involving reactions with 4-substituted tetrahydropyran- or tetrahydrothiopyran-3,5-diones, followed by subsequent appropriate modifications.
Career Highlights
Throughout his career, Terasawa has been associated with Shionogi & Company Limited, where he has contributed to various research initiatives. His work has been pivotal in advancing the understanding and application of steroid derivatives in contraceptive methods.
Collaborations
Tadao Terasawa has collaborated with fellow researcher Toshihiko Okada, enhancing the scope and impact of their research endeavors. Their partnership has led to significant advancements in the field of steroid chemistry.
Conclusion
Tadao Terasawa's innovative work in the synthesis of oxa- and thia-steroids has positioned him as a key figure in pharmaceutical research. His contributions continue to influence the development of effective contraceptive solutions.