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 DIETHYL 5,5'-METHYLENEBIS(4-ETHYL-3-METHYL-2-PYRROLECARBOXYLATE)
6305-93-7

DIETHYL 5,5'-METHYLENEBIS(4-ETHYL-3-METHYL-2-PYRROLECARBOXYLATE) synthesis

7synthesis methods
100619-73-6 Synthesis
5-[(Acetyloxy)methyl]-4-ethyl-3-methyl-1H-pyrrole-2-carboxylic acid ethyl ester

100619-73-6
29 suppliers
$186.00/1g

-

Yield:6305-93-7 87%

Reaction Conditions:

with hydrogenchloride in methanol; for 3 h;Heating;Condensation;

References:

Lash, Timothy D. [Tetrahedron,1998,vol. 54,# 3-4,p. 359 - 374]

DIETHYL 5,5'-METHYLENEBIS(4-ETHYL-3-METHYL-2-PYRROLECARBOXYLATE) Related Search:

交城县| 周口市| 富阳市| 通州区| 广东省| 潞西市| 黄大仙区| 进贤县| 宜君县| 武川县| 长兴县| 长葛市| 桐柏县| 福安市| 循化| 铜梁县| 克什克腾旗| 三台县| 依兰县| 石家庄市| 湘潭县| 岑溪市| 汪清县| 静乐县| 金堂县| 四子王旗| 唐山市| 梁山县| 德江县| 科技| 博湖县| 乌鲁木齐市| 成都市| 临沭县| 大同市| 台中市| 深圳市| 清远市| 如东县| 灵川县| 得荣县|