O-Desmethyl Quinine

O-Desmethyl Quinine Structure
CAS No.
524-63-0
Chemical Name:
O-Desmethyl Quinine
Synonyms
cupreine;C06530;Ultraquinine;Quinine O-Desmethyl;O-Desmethyl Quinine;O-Demethylquinidine;Quinine Impurity 17;6'-hydroxycinchonidine;Mepanipyrim Impurity 1;(8,9R)-9-Diol Cinchonan-6’
CBNumber:
CB8876218
Molecular Formula:
C19H22N2O2
Molecular Weight:
310.39
MOL File:
524-63-0.mol
Modify Date:
2023/5/4 15:14:10

O-Desmethyl Quinine Properties

Melting point >171°C (dec.)
alpha D17 -176°
Boiling point 450.55°C (rough estimate)
Density 1.1396 (rough estimate)
refractive index 1.5600 (estimate)
storage temp. -20°C Freezer
solubility DMSO (Slightly), Methanol (Slightly)
pka 6.57(at 25℃)
form Solid
color Off-White to Pale Yellow

SAFETY

Risk and Safety Statements

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H302-H319-H315
Precautionary statements  P264-P270-P301+P312-P330-P501-P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P

O-Desmethyl Quinine Chemical Properties,Uses,Production

Chemical Properties

Pale Yellow Solid

Uses

A metabolite of Quinine (Q694000).

Definition

One of the cinchona alkaloids.

Purification Methods

Cupreine crystallises from EtOH (anhydrous crystals) and wet Et2O (as dihydrate crystals). It has Kb 2.7x10-7 [Kolthoff Biochem Z 162 323]. The sulfate forms needles, m 257o(dec), from MeOH, amyl alcohol or H2O, with [] 20-197.9o (c 1.2, H2O). [Beilstein 22 I 165, 22 II 416.]

O-Desmethyl Quinine Preparation Products And Raw materials

Raw materials

Preparation Products

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Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 China 7182 65 Inquiry
(8,9R)-9-Diol Cinchonan-6 Cupreine O-Demethylquinidine O-Desmethyl Quinine Ultraquinine (8,9R)-9-Diol Cinchonan-6’ 6'-hydroxycinchonidine (8α,9R)-Cinchonan-6',9-diol C06530 Quinine O-Desmethyl Cinchonan-6',9-diol, (8α,9R)- (8alpha,9R)-Cinchonan-6',9-diol 4-((R)-Hydroxy((1S,2S,4S,5R)-5-vinylquinuclidin-2-yl)methyl)quinolin-6-ol (8α,9R)-Cinchonan-6',9-diol cupreine Quinine Impurity 17 Mepanipyrim Impurity 1 (8α,9R)-Cinchonan-6',9-diol 524-63-0 C19H20N2OH2 Pharmaceuticals Chiral Reagents Heterocycles Intermediates & Fine Chemicals Metabolites & Impurities