Chemist credited by reviews with first synthesising tegafur
S. A. Hiller
Riga institute, Latvia (as named in a 2013 review)
A 2013 review says tegafur (Futraful) was originally synthesised by Dr S. A. Hiller of the Riga institute in Latvia in 1966. A 2009 review credits Hiller and colleagues with the synthesis in 1967, at the Latvian Institute of Organic Synthesis.
Sources
Utsugi T. New challenges and inspired answers for anticancer drug discovery and development. Jpn J Clin Oncol. 2013;43(10):945-53.
Shirasaka T. Development history and concept of an oral anticancer agent S-1 (TS-1): its clinical usefulness and future vistas. Jpn J Clin Oncol. 2009;39(1):2-15.