Synthesis and Properties of 2-Octyl-1-dodecanol

Structural properties

Since the molecular structure of this compound contains a long carbon chain and does not contain a strongly polar group, its polarity is relatively low. This means that it can be dissolved in some non-polar solvents, such as petroleum ether, toluene, etc. Although the molecular structure contains hydrogen bonds, the longer alkyl chain reduces this interaction to a certain extent.

Synthesis method

Synthesis route of 2-octyldodecanol

In a dry reactor, under an argon atmosphere, hemp alcohol (2 mmol) was added to a solution of [Cp * Ir Cl2] 2 (0.02 mmol), 1,7-octadiene (0.2 mmol) and potassium tert-butoxide (0.8 mmol) in p-xylene (0.5 mL), and the resulting reaction mixture was stirred vigorously at 120°C for 4 h. After the reaction, the reaction mixture was cooled to room temperature, and then water and ethyl acetate were added to the reaction mixture to separate the organic layer. The aqueous layer was extracted three times with ethyl acetate, all organic layers were combined and dried over anhydrous sodium sulfate, the desiccant was filtered off and the resulting filtrate was concentrated under vacuum, and the residue was separated by silica gel column chromatography (230 ~ 400 mesh silica gel, n-hexane/ethyl acetate = 10:1). [1]

Application

2-Octyldodecanol can be used as an organic synthesis intermediate and has certain applications in the synthesis of long alkyl chain aldehydes, acids and ester compounds. In addition, the compound can also be used as a reaction solvent in organic reactions. The chemical has a certain surface activity and can reduce surface tension, so it is widely used in the preparation of emulsions, liquid purifiers and other fields. This is because its long chain groups can be adsorbed on the liquid surface, giving the molecules a certain degree of orientation and order, thereby increasing the interaction between molecules.