5-ヒドロキシ-L-トリプトファン 化学特性,用途語,生産方法
外観
白色~うすい黄色粉末~結晶
効能
抗うつ薬
化学的特性
white to pale grey powder
使用
A labelled metabolite of Tryptophan
一般的な説明
Colorless to pale pink crystals.
空気と水の反応
L-5-Hydroxytryptophan is sensitive to air. Slightly water soluble .
反応プロフィール
L-5-Hydroxytryptophan reacts with bases. .
火災危険
Flash point data for L-5-Hydroxytryptophan are not available, however, L-5-Hydroxytryptophan is probably combustible.
製品名
Levothym (Promonta Lundbeck, Germany), Lévotonine (Panpharma, France), Oxyfan (Coli, Italy), Tript-OH (Sigma- Tai, Italy).
純化方法
Likely impurities are 5-hydroxy-D-tryptophan and 5-benzyloxytryptophan. Crystallise 5-hydroxy-L-tryptophan under nitrogen from water by adding EtOH. Store it under nitrogen. Also dissolve it in the minimum volume of hot H2O (~0.7g in 4mL) under nitrogen (charcoal) and allowed it to crystallise at 5o. The picrolonate crystallises from H2O with m 184-186o(dec). [Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 p 2732-2737 1961, Morris & Armstrong J Org Chem 22 306 1957, Beilstein 22/14 V 278.]
5-ヒドロキシ-L-トリプトファン 上流と下流の製品情報
原材料
準備製品