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 7-Hydroxy-1β,4aα-dimethyl-8-methylenegibbane-1α,10β-dicarboxylic acid
51576-08-0

7-Hydroxy-1β,4aα-dimethyl-8-methylenegibbane-1α,10β-dicarboxylic acid synthesis

2synthesis methods
Gibbane-1,10-dicarboxylic acid, 4a-formyl-7-(methoxymethoxy)-1-methyl-8-methylene-, (1α,4aα,4bβ,10β)-

144708-75-8
0 suppliers
inquiry

-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 1.) NH2-NH2 2.) NaOH / 1.) 1,2-ethanediol, 100 deg C, 30 min 2.) 1,2-ethanediol, 116 deg C, 1 h then 174 C, overnight
2: 71 percent / H2O, Dowex 50W-X2 resin H(1+) / methanol / 2 h / Heating

References:

Mander, Lewis N.;Owen, David J.;Twitchin, Bruce [Australian Journal of Chemistry,1996,vol. 49,# 2,p. 249 - 253]

7-Hydroxy-1β,4aα-dimethyl-8-methylenegibbane-1α,10β-dicarboxylic acid Related Search:

都昌县| 城步| 临沂市| 峨山| 长沙县| 新津县| 遂昌县| 南汇区| 西丰县| 安新县| 桦南县| 乐东| 池州市| 肇庆市| 墨玉县| 宁乡县| 房山区| 枞阳县| 水富县| 合肥市| 莱芜市| 保康县| 丰宁| 沂源县| 宾川县| 扎兰屯市| 汤阴县| 清丰县| 峡江县| 泰来县| 安化县| 卓尼县| 依兰县| 仁化县| 西盟| 彭山县| 玛多县| 灵山县| 南华县| 神木县| 武功县|