Practical method for reducing esters or lactones
US8344187B2 · kind B2 · utility
2Cited by
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6Claims
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Key dates
| Filing date | Jun 26, 2009 |
| Grant date | Jan 1, 2013 |
| Priority date | — |
| Expiry date | Jan 27, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Esters and lactones can be respectively reduced to alcohols and diols in the presence of the Group 8 (VIII) transition metal complex, base and hydrogen gas (H2). An extremely practical reduction method can be provided by preferable combinations of the Group 8 (VIII) transition metal complex, the base, a used amount of the base, a pressure of hydrogen gas and a reaction temperature. This method is used in place of hydride reduction and is a useful method by which design of highly active catalysts can be relatively easily made while a high productivity can be expected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.