Preparation method of high-purity levorotatory borneol

Abstract

The invention belongs to the pharmaceutical field, and relates to a purifying method of levorotatory borneol. The invention discloses a preparation method of high-purity levorotatory borneol. The method comprises the following steps: performing centrifuge dripping on marketed crude levorotatory borneol (the content of levorotatory borneol is about 65%), dissolving in a reagent A, then, adding a reagent B into the liquor, and reacting for a certain time at a certain temperature; then pouring into water, standing and filtering; and recrystallizing by use of a reagent C for the filter cakes and drying to obtain the high-purity levorotatory borneol.

Description

technical field

[0001] The invention belongs to the field of pharmacy, and relates to a method for purifying levoborneol, in particular to a method for preparing high-purity levoborneol. Background technique

[0002] Levoborneol (also known as Levoborneol, Ai Pian, etc.) is a substance purified and processed from the Compositae plant Ainaxiang. Its efficacy is to clear the orifice, dissipate heat, improve eyesight, relieve pain, warm the middle and activate blood circulation, etc. It is mainly used to treat febrile diseases, coma, pain and phlegm confusion, suppurative otitis media, ulcerative stomatitis, burns, shingles, pharyngitis, Cardiovascular and cerebrovascular diseases and other diseases, it is a traditional Chinese medicine raw material and spice ingredient for ophthalmology, stomatology and cardiovascular medicine. Ainaxiang is mainly distributed in Guizhou, Guangxi and other places in my country. Farmers in some local areas plant a large number of Ainaxiang and ...

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