(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE
(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE 物理性質
- 融点 :
- 70-71°C
- 比重(密度) :
- 1.183±0.06 g/cm3(Predicted)
- 貯蔵温度 :
- Sealed in dry,Room Temperature
- 溶解性:
- クロロホルム、ジクロロメタン、メタノール
- 酸解離定数(Pka):
- 9.26±0.40(Predicted)
- 外見 :
- 個体
- 色:
- ペールベージュ
(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE 価格
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(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE 化学特性,用途語,生産方法
化学的特性
White Solid
使用
L-Valine N-Carboxyanhydride (cas# 24601-74-9) is a compound useful in organic synthesis.
製造方法
To a stirred suspension of l-valine (46.8 g, 0.4 mol) in dry THF (400 mL) was slowly added a solution of phosgene (0.8 mol)in toluene (stock solution ca. 5 m). In the closed vessel (Author’s remark: It is better to use a reflux condenser cooled to at least -15 ℃ or a dry-ice reflux condenser under ambient pressure), the mixture was stirred at 45 ℃ for 7 h in order to obtain a clear solution. The solvent was then evaporated in vacuo at room temperature. The residue was redissolved in dry THF and this solution was concentrated to dryness. The crystalline residue was dried over CaCl2 in vacuo; yield 57.0 g (quantitative).
(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE 上流と下流の製品情報
原材料
準備製品
(S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE 生産企業
Global( 95)Suppliers
24601-74-9()キーワード:
- 24601-74-9
- (S)-4-ISOPROPYLOXAZOLIDINE-2,5-DIONE
- L-Valine-N-carboxyanhydride
- H-Val-NCA
- (4S)-4-(1-Methylethyl)-2,5-oxazolidinedione
- L-4-Isopropyl-2,5-oxazolidinedione
- N-Carboxy-L-valine Anhydride
- Valine N-Carboxyanhydride
- 2,5-Oxazolidinedione, 4-(1-methylethyl)-, (4S)-
- L-Val-NCA
- (4S)-4-isopropyloxazolidine-2,5-dione
- Val-NCA
- Pramoxine Impurity 8