一二三四区视频,亚洲少妇熟女色,日本久热无码视频网,欧美国产日韩大尺度,亚洲a视频,久久少妇一区二区,日韩999无码视频,刺激久久久久久久,啊啊啊啊不要啊在线

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
010-86108875
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!

52803-62-0

2-[(4-CHLOROBENZYL)OXY]-3-METHOXYBENZALDEHYDE synthesis

2synthesis methods
-

Yield:-

Reaction Conditions:

with potassium carbonate in N,N-dimethyl-formamide;Inert atmosphere;

Steps:

(i) Synthesis of 2-(4-Bromo/Chloro-benzyloxy)-3-methoxy-benzaldehyde (I).

General procedure: A mixture of hydroxy benzaldehyde (10 mmol), alkylhalide (bromo/chloro benzyl bromide) (10 mmol) andK2CO3 (20 mmol) were taken in DMF (30 mL) and thereaction mixture was stirred overnight. The progress ofreaction was monitored through thin layer chromatography and the visualization was accomplished with UVlight. The reaction mixture was then quenched withice (25 g) followed by the addition of water (50 mL).The solid product obtained was fltered over the vaccumpump and dried.

References:

Malhotra, Rajesh;Ravesh, Ankit;Singh, Vikramjeet [Phosphorus, Sulfur and Silicon and the Related Elements,2017,vol. 192,# 1,p. 73 - 80]

龙川县| 大冶市| 开江县| 孝昌县| 清苑县| 舟山市| 北海市| 和龙市| 鹿泉市| 治多县| 宜州市| 新竹市| 平山县| 特克斯县| 兴和县| 孟州市| 肥东县| 诸暨市| 萨迦县| 香格里拉县| 扶余县| 成安县| 东乡县| 大兴区| 太康县| 乌审旗| 枣庄市| 花莲市| 新宾| 富平县| 张家界市| 玛曲县| 广元市| 高州市| 绥滨县| 蓝田县| 招远市| 进贤县| 会同县| 乌拉特中旗| 扎鲁特旗|