A Convenient Method of Protection and Mild Deprotection of α-Aminoacids
摘要:
Functionalisation of beta or gamma carboxyl group of aspartic and glutamic acids with labile substituents was performed via the use of N-trichloroethoxycarbonyl-5-oxazolidinone as protective group.
The present invention relates to a method for synthesizing ramalin, and more particularly to a method for synthesizing ramalin, which comprises allowing 2-hydrazinylphenol to react with L-glutamic acid having a protected carboxyl group at C-1 and a protected amino group at C-2, and a method for preventing decomposition of the ramalin. According to the present invention, ramalin having excellent antioxidant and anti-inflammatory activities can be synthesized in high yield, and thus can be produced in large amounts. In addition, ramalin can be stably maintained for a long period of time, and thus can be easily used for industrial purposes.
[EN] METHOD FOR PREPARING RAMALIN<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LA RAMALINE
申请人:KOREA OCEAN RES AND DEV INSITUTE
公开号:WO2012008785A2
公开(公告)日:2012-01-19
본 발명은 라말린의 합성방법에 관한 것으로, 더욱 상세하게는, 2-하이드라지닐-페놀(2-Hydrazinylphenol)과, 1번탄소의 카복실기 및 2번탄소의 아미노기가 보호된 L-글루탐산을 반응시키는 것을 특징으로 하는, 라말린의 합성방법 및 상기 라말린의 분해 방지방법에 관한 것이다. 본 발명에 따르면, 항산화 및 항염증 효과가 뛰어난 라말린을 안정적인 수율로 합성할 수 있어, 라말린의 대량생산이 가능하다. 또한, 라말린을 장기간 안정적으로 유지할 수 있어 라말린을 산업상 이용하기 용이하다.
A Convenient Method of Protection and Mild Deprotection of α-Aminoacids
Functionalisation of beta or gamma carboxyl group of aspartic and glutamic acids with labile substituents was performed via the use of N-trichloroethoxycarbonyl-5-oxazolidinone as protective group.
METHOD FOR PREPARING RAMALIN
申请人:Korea Ocean Research and Development Institute