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 (1S,2S)-(+)-Pseudoephedrine hydrochloride
345-78-8

(1S,2S)-(+)-Pseudoephedrine hydrochloride synthesis

1synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 93 percent / NaCNBH3; TMSCl / acetonitrile / 0.5 h / 20 °C
2: 92 percent / conc. HCl / 2 h / Heating

References:

Vidyasagar Reddy;Venkat Rao;Sreevani;Iyengar [Tetrahedron Letters,2000,vol. 41,# 6,p. 953 - 954]

FullText

(1S,2S)-(+)-Pseudoephedrine hydrochloride Related Search:

龙井市| 二连浩特市| 靖安县| 六安市| 通州区| 佳木斯市| 女性| 渝中区| 罗平县| 敦化市| 思茅市| 栾川县| 张家口市| 无锡市| 县级市| 安徽省| 丰台区| 凤山县| 济宁市| 濮阳县| 新源县| 昌吉市| 镶黄旗| 安吉县| 瑞昌市| 鸡东县| 成武县| 上林县| 沅江市| 赤壁市| 潜江市| 静安区| 金山区| 横山县| 东源县| 桐柏县| 开原市| 柏乡县| 来宾市| 嘉定区| 桂东县|