摘要:
The present invention concerns a process for the preparation of an oxidized terpenes fraction which proved to be particularly useful in the preparation of sandalwood oil building blocks.
摘要:
The present invention relates to a cyclohexanone derivative of formula (I) in the form of any one of its isomers or mixture thereof. The invention concerns also the preparation and the use of said derivative. The invention's compound is a useful starting material for the preparation of various optically active compounds.
摘要:
The present invention relates to a process for the preparation of an optically active 5-substituted cyclohexenone (II) by treating an achiral macrocyclic 3-substituted-1,5-diketone (I) in the presence of an optically active sodium, potassium or cesium alkoxide.
摘要:
The present invention relates to the field of organic synthesis and more specifically it concerns a process for the preparation of homoallylic alcohol derivatives as defined in formula (I) via a reaction of alkene of formula (II) with an aldehyde.
摘要:
The present invention concerns a process of carbonylation of poly-unsaturated diene with high selectivity for the preparation of a β,γ - unsaturated carboxylic acid or ester in the presence of water or alcohol and catalyzed by [PdCl 2 P 2 ] complex wherein P 2 is two mono or one bidendate phosphine ligand.
摘要:
The present invention relates to a process for the preparation of an optically active 5-substituted cyclohexenone (II) by treating an achiral macrocyclic 3-substituted-1,5-diketone (I) in the presence of an optically active sodium, potassium or cesium alkoxide.