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!

22033-96-1

20-Hydroxyecdysone 25-acetate synthesis

1synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 4 steps
1.1: 72 h / 2 °C
1.2: 88 percent / phosphomolybdic acid / 0.17 h / 25 °C
2.1: 93 percent / DMAP; pyridine / 168 h / 40 °C
3.1: 94 percent / acetic acid; water / 48 h / 20 °C
4.1: acetic acid; water / 1.5 h / 20 °C
4.2: 96 percent / ZnCl2 / 5 h / 20 °C

References:

Galyautdinov;Nazmeeva;Savchenko;Ves'Kina;Nedopekin;Fatykhov;Khalilov;Odinokov [Russian Journal of Organic Chemistry,2004,vol. 40,# 5,p. 675 - 684]

20-Hydroxyecdysone 25-acetate Related Search:

温州市| 兴隆县| 连江县| 阿克苏市| 平武县| 犍为县| 板桥市| 扎兰屯市| 东乌| 将乐县| 韩城市| 虎林市| 调兵山市| 左云县| 海淀区| 乌鲁木齐市| 奎屯市| 无为县| 横峰县| 山东省| 中超| 兰西县| 左云县| 类乌齐县| 澜沧| 威宁| 潢川县| 宾川县| 潮安县| 鄱阳县| 延安市| 左云县| 剑阁县| 海晏县| 饶平县| 岗巴县| 临城县| 锦屏县| 德清县| 迭部县| 宜兰县|