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 4-ACETAMIDO-2-METHYLNITROBENZENE
51366-39-3

4-ACETAMIDO-2-METHYLNITROBENZENE synthesis

13synthesis methods
-

Yield:51366-39-3 97%

Reaction Conditions:

with pyridine in dichloromethane at 0 - 20; for 3 h;

Steps:

1

Compound 20-3 (0429) To a solution of Pyridine (20 mL) and AcCl (6.158 g, 78.947) in DCM (100 mL) was added the solution of 20-2 (10 g, 65.789 mmol) in pyridine (20 mL) at 0° C. The mixture was stirred at room temperature for 3 h. The volatiles were removed under reduced pressure and the residue was washed with water (100 mL×3), dried under reduced pressure to afford 20-3 as yellow solid (12.5 g, yield: 97%).

References:

US9138427,2015,B2 Location in patent:Page/Page column 297

4-ACETAMIDO-2-METHYLNITROBENZENE Related Search: