Gypsogenin
Structural Formula Vector Image
Title: Gypsogenin
CAS Registry Number: 639-14-5
CAS Name: (3b,4a)-3-Hydroxy-23-oxoolean-12-en-28-oic acid
Additional Names: githagenin; albasapogenin; gypsophilasapogenin
Molecular Formula: C30H46O4
Molecular Weight: 470.68
Percent Composition: C 76.55%, H 9.85%, O 13.60%
Literature References: From Agrostemma githago (L.) Scop., Caryophyllaceae: Wedekind, Krecke, Z. Physiol. Chem. 155, 122 (1925); from Gypsophila oldhamiana, Caryophyllaceae: Kutani, Karr, J. Pharm. Soc. Jpn. 64, 18 (1944), C.A. 45, 2961d (1951). Structure: Ruzicka, Giacomello, Helv. Chim. Acta 20, 299 (1937). Identity with githagenin: Kon, Soper, J. Chem. Soc. 1940, 617.
Properties: Needles or leaflets from methanol, mp 274-276°. [a]D +91° (alc).
Melting point: mp 274-276°
Optical Rotation: [a]D +91° (alc)
 
Derivative Type: Acetate
Molecular Formula: C32H48O5
Molecular Weight: 512.72
Percent Composition: C 74.96%, H 9.44%, O 15.60%
Properties: Square tablets from methanol, mp 176-177°. [a]D20 +78° (CHCl3).
Melting point: mp 176-177°
Optical Rotation: [a]D20 +78° (CHCl3)
 
Derivative Type: Methyl ester
Molecular Formula: C31H48O4
Molecular Weight: 484.71
Percent Composition: C 76.82%, H 9.98%, O 13.20%
Properties: Crystals, mp 192°.
Melting point: mp 192°
 
 
Status: This monograph has been retired and is no longer subject to revision or update.

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