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 5-CHLORO-2-HYDROXY-4-METHYLBENZOPHENONE
68751-90-6

5-CHLORO-2-HYDROXY-4-METHYLBENZOPHENONE synthesis

2synthesis methods
Preparation by Fries rearrangement of 4-chloro- 3-methyl-phenyl benzoate in the presence of,
? aluminium chloride without solvent at 140° for 10 min (quantitative yield);
? Nafion-XR, a H+-form ion exchange resin, at 175° for 4 h (37%).
-

Yield:-

Reaction Conditions:

with aluminium trichloride at 140;

References:

Rosenmund;Schnurr [Justus Liebigs Annalen der Chemie,1928,vol. 460,p. 89]

5-CHLORO-2-HYDROXY-4-METHYLBENZOPHENONE Related Search: