Methods for Preparing a Paraben Derivative from Seeds of Lithospermum erythrorhizon

摘要

The invention from the extract of the seeds of the exhausted (Lithospermum erythrorhizon) methyl-3-acetyl-4-hydroxybenzoate (Methyl - 3-acetyl-4-hydroxybenzoate) relates to a process for producing a. The invention Methylparaben of the present invention requires a strong acid and an excess of alcohol: may be useful as a method of extracting from natural products to replace the industrial preparation of (Methyl Paraben C ₆ H ₄ (OH) COOCH ₃₎ derivatives. ; Lithospermum erythrorhizon, parabens, HPLC