天堂网亚洲,天天操天天搞,91视频高清,菠萝蜜视频在线观看入口,美女视频性感美女视频,95丝袜美女视频国产,超高清美女视频图片

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 2-Chloro-4-fluoro-5-nitrophenol
84478-75-1

2-Chloro-4-fluoro-5-nitrophenol synthesis

5synthesis methods
-

Yield:84478-75-1 98%

Reaction Conditions:

with water;sodium hydrogencarbonate in methanol at 20; for 16 h;

Steps:

47.47C
To a solution of the product from Example 47B (0.87 g, 3.30 mmol) in methanol (20 mL) and water (1 mL) was added sodium bicarbonate (2.22 g, 26.4 mmol) and the mixture stirred at room temperature for 16 hours. The methanol was then removed under vacuum, dichloromethane (20 mL) was added to the mixture, the organic solution was washed with brine (50 mL), dried over anhydrous magnesium sulfate, filtered, and concentrated under vacuum to provide the title product (0.62 g, 98%).

References:

ABBOTT LABORATORIES WO2008/133753, 2008, A2 Location in patent:Page/Page column 88

FullText

2-Chloro-4-fluoro-5-nitrophenol Related Search: