MENTHOL DERIVATIVES AND PROCESS FOR PREPARING THE SAME

摘要

The present invention provides a menthol derivative represented by the following Formula 1 and a method for preparing the menthol derivative. The menthol derivative represented by the Formula 1 is prepared by reacting menthol and phosphorous oxychloride with an equivalence ratio of 1:1~1.3 in an organic solvent in the presence of organic base to obtain dichloro[5-methyl-2(mehtylethyl)cylclohexyloxy] phosphino-1-one; and reacting above obtained dichloro[5-methyl-2(mehtylethyl) cylclohexyloxy]phosphino-1-one with 3-amino propanol in the organic solvent in the presence of the organic; then hydrolyzing and crystallizing the product with polar organic solvent. [Formula I]