Structural Formula Vector Image
Title: Ethylhydrocupreine
CAS Registry Number: 522-60-1
CAS Name: (8a,9R)-6¢-Ethoxy-10,11-dihydrocinchonan-9-ol
Additional Names: hydrocupreine ethyl ether
Trademarks: Optoquine; Numoquin
Molecular Formula: C21H28N2O2
Molecular Weight: 340.46
Percent Composition: C 74.08%, H 8.29%, N 8.23%, O 9.40%
Literature References: Prepn: Giemsa, Halberkann, Ber. 51, 1325 (1918); Thron, Freund, US 1062203 (1913 to Ver. Chininfabr. Zimmer); Muira, C.A. 41, 4582d (1947). Pharmacology: M. I. Smith, B. Fantus, J. Pharmacol. Exp. Ther. 8, 53 (1916).
Properties: White bitter cryst powder. mp 123-128° when solvent-free. [a]D25 -136.2° (alcohol). Practically insol in water; sol in alcohol, benzene, chloroform, ether, dil acids, oils, fats.
Melting point: mp 123-128° when solvent-free
Optical Rotation: [a]D25 -136.2° (alcohol)
Derivative Type: Hydrochloride
CAS Registry Number: 3413-58-9
Trademarks: Neumolisina
Molecular Formula: C21H28N2O2.HCl
Molecular Weight: 376.92
Percent Composition: C 66.92%, H 7.76%, N 7.43%, O 8.49%, Cl 9.41%
Properties: Rhombic crystals from acetone + ether, mp 252-254°. [a]D21 -123.6° (water). One gram dissolves in 2 ml water, 5 ml alcohol, 2.5 ml chloroform; sparingly sol in dry acetone. Practically insol in ether, petr ether. Aq solns are sterilizable without decompn. Protect from light.
Melting point: mp 252-254°
Optical Rotation: [a]D21 -123.6° (water)
Therap-Cat: Antiseptic.
Keywords: Antiseptic/Disinfectant; Quinolines.
Status: This monograph has been retired and is no longer subject to revision or update.

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