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!

ChemicalBook CAS DataBase List 3-METHOXY-4-[(4-METHOXYBENZYL)OXY]BENZENECARBALDEHYDE
129047-38-7

3-METHOXY-4-[(4-METHOXYBENZYL)OXY]BENZENECARBALDEHYDE synthesis

6synthesis methods
-

Yield:129047-38-7 100%

Reaction Conditions:

with potassium carbonate in acetone at 55; for 28 h;

Steps:

1.b b-3-methoxy-4-(4-methoxy-benzyloxy)-benzaldehyde

5 g (36.1 mmol) of potassium carbonate and then 4.9 ml (36.1 mmol) of 1-chloromethyl-4-methoxy-benzene are added to a solution of 5 g (33 mmol) of 4-hydroxy-3-methoxy-benzaldehyde in 100 ml of acetone. The reaction mixture is then stirred at 55° C. for 28 hours and then filtered. The filtrate is concentrated under vacuum. The residue obtained is taken up in heptane and filtered. 8.9 g (100%) of 3-methoxy-4-(4-methoxy-benzyloxy)-benzaldehyde is obtained in the form of a beige solid.

References:

US2010/144884,2010,A1 Location in patent:Page/Page column 8

3-METHOXY-4-[(4-METHOXYBENZYL)OXY]BENZENECARBALDEHYDE Related Search:

石阡县| 东阳市| 墨竹工卡县| 阳泉市| 阳新县| 梅州市| 安西县| 扎赉特旗| 潮安县| 五华县| 鄄城县| 惠来县| 伊春市| 葵青区| 蒙自县| 红安县| 武宁县| 哈尔滨市| 辽宁省| 贵德县| 仙桃市| 阳原县| 绥江县| 霍山县| 永平县| 绵竹市| 怀宁县| 徐州市| 福泉市| 阿尔山市| 南岸区| 博野县| 治县。| 静宁县| 鲁山县| 贡嘎县| 吉林省| 齐河县| 呈贡县| 民和| 开原市|