Method for producing L-biopterin
US7361759B2 · kind B2 · utility
1Cited by
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14Claims
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Key dates
| Filing date | Feb 28, 2005 |
| Grant date | Apr 22, 2008 |
| Priority date | — |
| Expiry date | Apr 24, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D475/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
To provide a method for producing L-biopterin on a large industrial scale by using a reagent which is inexpensive and easy to handle, without requiring a use of any particular equipment or plants.A method for porducing a biopterin derivative represented by the formula (6):wherein R1 and R2, which are the same or different from each other, each represents a hydrogen atom, an alkyl group, or an aryl group, comprising: wherein R1 and R2 are the same as defined above,
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.