Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
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 (2'S,3R,6R)-6β-Hydroxyhyoscyamine
126371-43-5

(2'S,3R,6R)-6β-Hydroxyhyoscyamine synthesis

2synthesis methods
8-Azabicyclo[3.2.1]oct-6-ene-8-carboxylic acid, 3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, methyl ester, (3-endo)-

1001339-25-8
0 suppliers
inquiry

(2'S,3R,6R)-6β-Hydroxyhyoscyamine

126371-43-5
18 suppliers
inquiry

-

Yield:-

Steps:

Multi-step reaction with 7 steps
1.1: L-diisopinocampheylborane / tetrahydrofuran / 4 h / -30 °C
1.2: 14 h / -30 - 20 °C
2.1: sodium hydride / tetrahydrofuran; mineral oil / 0 °C
2.2: 4 h / 0 - 20 °C
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 48 h / 0 - 20 °C
4.1: lithium aluminium tetrahydride / diethyl ether / 24 h / 0 - 20 °C
5.1: dmap; dicyclohexyl-carbodiimide; camphor-10-sulfonic acid / dichloromethane / 72 h / 20 °C
6.1: hydrogenchloride / methanol; water / 36 h / 20 °C
7.1: hydrogen; 20% palladium hydroxide-activated charcoal / acetic acid; methanol; water / 12 h / 760.05 Torr

References:

Ushimaru, Richiro;Ruszczycky, Mark W.;Chang, Wei-Chen;Yan, Feng;Liu, Yung-Nan;Liu, Hung-Wen [Journal of the American Chemical Society,2018,vol. 140,# 24,p. 7433 - 7436]