Synthesis method of thio-menthone perfume

A technology of thiomenthone and a synthesis method, applied in the field of fragrances, can solve the problems of large equipment investment, increased equipment manufacturing cost and operational difficulty, severe corrosion of steel equipment and the like
CN101735120AInactive Publication Date: 2010-06-16HUABAO FLAVOURS & FRAGRANCES CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HUABAO FLAVOURS & FRAGRANCES CO LTD
Publication Date
2010-06-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a synthesis method of thio-menthone perfume, which comprises the steps of: preparation of chloro-menthone, preparation of sodium hydrosulfide, preparation of crude thio-menthone, rectification of the crude thio-menthone and the like. Compared with the prior art, the method is convenient for industrial implementation, less in equipment investment and easy in operation; the technique has highest yield in the preparation of the thio-menthone under the technical condition of normal pressure and normal temperature; meanwhile, the method solves the problems of high equipment investment, strong equipment corrosion, high power consumption, hard operation and the like caused by the technology for preparing the thio-menthone at high pressure and low temperature.
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Description

【Technical field】

[0001] The invention belongs to the technical field of spices, and more specifically, the invention relates to a method for synthesizing thiomenthone spices. 【Background technique】

[0002] The chemical name of thiomenthone (1) is 2-(1-mercapto-1-methylethyl)-5-methylcyclohexanone (2-(1-mercapto-1-methylethyl)-5-methyl- cyclohexanone), as represented by the following formula (1). It is one of the important fragrance raw materials in the fragrance industry. Its smell in its pure state is not pleasant, but once diluted, it has a strong fruity, green, toasty aroma, slightly warm and sweet, even minty, It plays an important role in the preparation of blackcurrant, peach, vegetable and other food flavors. Thiomenthone is also widely used in the preparation of toothpaste flavor and characteristic aroma of daily chemical products. The trace application of thiomenthone in tobacco flavors can enhance the flavors of green, sweet and fruity. The FEMA number for T...

Claims

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