80657-64-3Relevant articles and documents
MODIFIED NAPHTHALENE FORMALDEHYDE RESIN, TRICYCLODECANE SKELETON-CONTAINING NAPHTHOL COMPOUND AND ESTER COMPOUND
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Page/Page column 8-9, (2012/09/25)
A modified dimethylnaphthalene formaldehyde resin obtained by modifying a polyfunctional dimethylnaphthalene formaldehyde resin having a constituent unit represented by the following general formula [1] in a molecule thereof with at least one member selected from the group consisting of a phenol represented by the following general formula [2], a naphthol represented by the following general formula [3] and a naphthol represented by the following general formula [4] provided that at least any of the naphthol represented by the general formula [3] or the naphthol represented by the general formula [4] must be included.
Production process for high purity tricyclo-[5. 2.1.0 2,6]decane-2-carboxylic acid ester
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Page/Page column 8-9, (2010/02/11)
An object of the present invention is to provide a process for producing high purity tricyclo[5. 2. 1. 02,6]decane-2-carboxylic acid ester which has a small content of an unsaturated compound and which has an excellent fragrance and is useful as a perfume or a perfume component. In a process for producing tricycle[5. 2. 1. 02,6]decane-2-carboxylic acid ester by reacting tricycle[5. 2. 1. 02,6]deca-3-ene with carbon monoxide and alcohol in the presence of HF, carried out separately are (a) a step in which tricycle[5. 2. 1. 02,6]deca-3-ene is reacted with carbon monoxide to produce acyl fluoride and (b) a step in which acyl fluoride obtained in the step described above is reacted with alcohol to produce an ester, whereby tricyclo[5. 2. 1. 02,6]decane-2-carboxylic acid ester having a small content of an unsaturated compound can be obtained at a high yield. Also, the reaction conditions at the step (a) described above are selected or a step for carrying out isomerization reaction of tricyclo[5. 2. 1. 02,6]decane-2-carboxylic fluoride obtained at the step (a) is interposed between the step (a) and the step (b), whereby capable of being efficiently produced is tricycle[5. 2. 1. 02,6]decane-2-carboxylic acid ester having a structural ratio of 1.0 or more in exo-tricyclo[5. 2. 1. 02,6]decane-endo-2-carboxylic acid ester/endo-tricyclo[5. 2. 1. 02,6]decane-exo-2-carboxylic acid ester Further, the crude product of tricyclo[5. 2. 1. 02,6]decane-2-carboxylic acid ester thus obtained is subjected to contact treatment with specific glycol in the presence of an acid catalyst and then distilled, whereby high purity tricyclo[5. 2. 1. 02,6]decane-2-carboxylic acid ester which is reduced in impurity aldehyde and which is excellent in a fragrance can industrially advantageously be produced.