Unsaturated Alkyl Esters of 5-Aminolevulinic Acid, their Preparation and their Use
申请人:Oh Jonghoon
公开号:US20090176881A1
公开(公告)日:2009-07-09
Disclosed are unsaturated alkyl esters of 5-aminovulinic acid of the following chemical formula 1, or pharmaceutically acceptable salts thereof, a method for preparing the same, and uses thereof. [Chemical Formula I] NH
2
—CH
2
—CO—CH
2
—CH
2
—CO—O—R wherein, R is a group selected from a group consisting of 2-propenyl, 3-butenyl, 4-pentenyl, 5-hexenyl, cis-2-pentenyl, cis-3-hexenyl, cis-4-hexenyl, and trans-2-hexenyl. Also, a pharmaceutical composition comprising the unsaturated alkyl ester of 5-aminovulinic acid or a salt thereof as an active ingredient is provided. This pharmaceutical composition is easily absorbed transdermally and is of low cytotoxicity. Featuring no amino-protecting processes, the method guarantees high production yields.
本发明揭示了以下化学式1的5-氨基丙酮酸不饱和烷基酯或其药学上可接受的盐,以及其制备方法和用途。[化学式I] NH2-CH2-CO-CH2-CH2-CO-O-R,其中R是选择自2-丙烯基,3-丁烯基,4-戊烯基,5-己烯基,顺式-2-戊烯基,顺式-3-己烯基,顺式-4-己烯基和反式-2-己烯基的基团中的一种。此外,还提供了一种含有5-氨基丙酮酸不饱和烷基酯或其盐作为活性成分的制药组合物。该制药组合物易于经皮吸收,细胞毒性低。该方法不需要氨保护过程,保证高产率。