Method of manufacturing 1-chloro-2-methyl-4-acyloxy-2-butene derivatives
US7351854B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | May 17, 2007 |
| Grant date | Apr 1, 2008 |
| Priority date | — |
| Expiry date | May 17, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/293
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1-Chloro-2-methyl-4-acyloxy-2-butene derivatives can be synthesized in good yields and high purity starting from isoprene and employing a chlorohydrin formation reaction in a system made of N-chloroisocyanuric acid derivatives and water, followed by esterification and rearrangement of the crude product mixture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.