午夜插插,噜噜噜影院,啪啪伊人网,欧美熟夫,景甜吻戏视频,男人强操性感蕾丝美女视频在线网站,日本美女跳舞视频

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-AMINO-3-BROMO-9-FLUORENONE
52086-09-6

2-AMINO-3-BROMO-9-FLUORENONE synthesis

1synthesis methods
-

Yield:52086-09-6 81%

Reaction Conditions:

with bromine;acetic acid at 20; for 1 h;

Steps:

14

Compound 14.1 (100 mg, 0.51 mmol, 1.0 eq) was dissolved in HO Ac (2.0 mL). (0869) Br? (100 mg, 0.61 mmol, 1.2 eq) was added dropwise at rt. The mixture was stirred at rt for 1 h. Water was added and the solid was filtered which was washed with water to give compound 14.2 (140 mg, 81%) as yellow solid.

References:

WO2019/84452,2019,A1 Location in patent:Paragraph 0407

2-AMINO-3-BROMO-9-FLUORENONE Related Search: