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CAS No. : | 89-79-2 | MDL No. : | MFCD00134655 |
Formula : | C10H18O | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ZYTMANIQRDEHIO-KXUCPTDWSA-N |
M.W : | 154.25 | Pubchem ID : | 170833 |
Synonyms : |
l-Isopulegol;(?)-Isopulegol;AI3-02176;Isopulegol
|
Chemical Name : | (1R,2S,5R)-5-Methyl-2-(prop-1-en-2-yl)cyclohexan-1-ol |
Signal Word: | Warning | Class: | |
Precautionary Statements: | P301+P312+P330-P302+P352-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sulfuric acid;cetyltrimethylammonim bromide; In water; at 35℃; for 5.0h; | A method for carrying out this invention is as indicated below. The actual detail of the processing will be known to those skilled in the art:1. A solution of hexadecyltrimethylammonium bromide (0.05%) in 5% sulphuric was charged into a reactor and vigorously stirred. Citronellal in an amount equivalent to 33.32.% of the total charge was fed into the reactor over a five hour period with the temperature being maintained at or below 350C. Stirring was continued for a further three hours.2. The stirring was stopped and the two phases were allowed to separate. The lower aqueous acid solution was run off to be used in further batches. The temperature should be maintained above 30C for ease of separation. <n="15"/>3. The organic layer was washed with a solution of mild alkali such as sodium carbonate or sodium bicarbonate to remove residual acid until an aliquot shaken with water showed a pH of 5.0 - 8.0. The product was filtered through a lOOmuM filter to remove residual water and any suspended solids.4. The resultant product is a clear or slightly opaque almost colourless, moderately viscous liquid with a slight pleasant floral odour quite unlike that of the starting material.Analysis of the product of the above process shows a typical composition: PMD-citronellal acetal 5-12%Isopulegole 7-14%/?alphara-menthane-3,8-diol remainder |
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