Catalytic rearrangement of cyclic acetals to carboxylic esters
US4131739A · kind A · utility
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Key dates
| Filing date | Jul 11, 1977 |
| Grant date | Dec 26, 1978 |
| Priority date | — |
| Expiry date | Jul 11, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Cyclic acetals are rearranged to form isomeric carboxylic acid esters according to the following formula: ##STR1## wherein R is an alkyl, alkenyl, or aromatic moiety containing 1 to 12 carbon atoms; And PA1 R' is an alkyl or alkenyl moiety containing 1 to 12 carbon atoms; In the presence of a catalyst consisting of a metal selected from the group Ru, Rh, Pd, Os, Ir or Pt supported on carbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.