一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List BOC-L-Tyrosine
3978-80-1

BOC-L-Tyrosine synthesis

9synthesis methods
In a dry 50 mL round-bottomed flask, (2S)-2-amino-3-(4-hydroxyphenyl)propanoic acid ( 200 mg) was dissolved in dry 1,4 -dioxane ( 10 mL) and H2O (5 mL) ( 2:1 ). NaOH ( 1 M, 5 mL, 5 mmol, 4.5 eq.) and Boc2O ( 0.28 mL, 1.21 mmol) were then added sequentiall
-

Yield:-

Steps:

Multi-step reaction with 3 steps
1.1: thionyl chloride / 4 - 20 °C / Darkness
2.1: trimethylamine / N,N-dimethyl-formamide
2.2: 2.5 h / 0 - 20 °C
3.1: water; sodium hydroxide / methanol / 1 h / 0 °C

References:

Khan, Riaz A. [Chemical Biology and Drug Design,2016,vol. 88,# 6,p. 884 - 888]

BOC-L-Tyrosine Related Search:

沧州市| 平果县| 蕲春县| 都昌县| 祁门县| 景泰县| 清原| 扶沟县| 遂昌县| 和政县| 长春市| 江北区| 林口县| 精河县| 奇台县| 连南| 太仓市| 南木林县| 固原市| 英吉沙县| 克拉玛依市| 临潭县| 法库县| 盘山县| 庄浪县| 堆龙德庆县| 察哈| 玉田县| 澄江县| 三亚市| 长丰县| 南部县| 佛冈县| 新巴尔虎左旗| 万州区| 韶关市| 隆德县| 双鸭山市| 平江县| 专栏| 白沙|