成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

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 3-Nitro-5-(trifluoromethyl)phenol
349-57-5

3-Nitro-5-(trifluoromethyl)phenol synthesis

7synthesis methods
-

Yield: 96%

Reaction Conditions:

with hydrogen bromide;acetic acid in waterHeating / reflux;

Steps:

3.1
A solution of 3-nitro-5-(trifluoromethyl)phenyl ether (20.0 g, 0.090 mol) in HBr (74.7 mL, 1.38 mmol) and HOAc (279.8 mL, 4.92 mol) was heated at reflux until reaction was judged to be complete by LCMS. The reaction was concentrated to tan solid to yield the desired product (18.7 g, 96% yield). LCMS: (FA) ES- 206.2 (M-1).

References:

Millennium Pharmaceuticals, Inc. US2006/160803, 2006, A1 Location in patent:Page/Page column 138

3-Nitro-5-(trifluoromethyl)phenol Related Search: