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US 2023/0067679 A1Published application
Functionalisation of 1,3-alpha-dienes (ii)
AssigneeDsm IP Assets B.V.
InventorsWerner BONRATH, Felix IMBERI, Marc-André MUELLER, Bettina WUESTENBERG
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Abstract
The present invention relates to the functionalisation of specific 1,3-alpha-dienes (by hydroboration). These functionalized 1,3-alpha-dienes are important intermediates in organic synthesis (especially in the synthesis of carotenoids, vitamin A and/or vitamin A derivatives).
Claims13
A process, wherein a compound of formula (I)
- wherein R is
- (wherein the asterix shows the connecting bond) is reacted with a borane tetrahydrofuran complex and then oxidized to the corresponding alcohol.
Compound of formula (IIb)
Dependencies are inferred from the claim text.