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!

886748-36-3

2,3,4-Tribromo-phenol 1-Acetate synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

Stage #1: 3,4-dibromophenolwith bromine;acetic acid at 20; for 1.5 h;
Stage #2: acetic anhydridewith pyridine in dichloromethane at 20; for 2 h;

References:

Liu, Huiling;Bernhardsen, Monica;Fiksdahl, Anne [Tetrahedron,2006,vol. 62,# 15,p. 3564 - 3572]