C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/242.1
C07D 475/04 (2006.01)
Patent
CA 1240321
Abstract of the Disclosure A process for preparing tetrahydrobiopterin which is rich in the (6R)-form, which comprises hydrogenating L-erythrobiopterin in a basic medium in the presence of a platinum group catalyst. According to the process, tetrahydrobiopterin improved in (6R)/(6S) ratio can be easily obtained in a high yield.
474602
Azuma Masaaki
Ohashi Takehisa
Watanabe Kiyoshi
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
Osler Hoskin & Harcourt Llp
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