Process for preparation of (3R)-2,4-di-leaving group-3-methylbut-1-ene
US9181152B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Nov 29, 2012 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Nov 29, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The specification relates to compounds and process for the preparation of a compound of formula 7,where LG is a leaving group and hal is a halide and is Cl, Br or I. The compound of formula 7 can be useful in the preparation of natural products, such as halichondrin and its derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.