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US 2020/0347002 A1Published application
Method for synthesising an unsaturated macrocyclic ketone
AssigneeSymrise AG
InventorsTom BRUNZEL, Angela KÖCKRITZ, Andreas MARTIN, Diego A. Jaime TREVINO
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Abstract
A method for producing unsaturated macrocyclic monoketones comprising the following steps: (a) preparing macrocyclic dienes with a ring size of at least 9 carbon atoms; (b) contacting the starting materials from step (a) with (b1) a palladium(II) salt and/or a palladium(II) complex; and (b2) an oxidant; and (b3) a solvent; and optionally (b4) a ligand; and optionally (b5) a co-catalyst; and optionally (b6) an acid.
Claims15
A method for preparing unsaturated macrocyclic monoketones comprising the following steps
- (a) providing macrocyclic dienes having a ring size of at least 9 carbon atoms;
- (b) contacting the starting materials from step (a) with
- (b1) a palladium(II) salt and/or a palladium(II) complex;
- and
- (b2) an oxidant;
- and
- (b3) a solvent;
- and optionally
- (b4) a ligand;
- and optionally
- (b5) a cocatalyst;
- and optionally
- (b6) an acid.
10 more elements
Dependencies are inferred from the claim text.