Corypalmine

Title: Corypalmine
CAS Registry Number: 6018-40-2
CAS Name: 5,8,13,13a-Tetrahydro-2,9,10-trimethoxy-6H-dibenzo[a,g]quinolizin-3-ol
Additional Names: 2,9,10-trimethoxyberbin-3-ol; 3-hydroxy-2,9,10-trimethoxyberbine; tetrahydrojatrorrhizine
Molecular Formula: C20H23NO4
Molecular Weight: 341.40
Percent Composition: C 70.36%, H 6.79%, N 4.10%, O 18.75%
Literature References: In Corydalis cava (L.) Schweigg & Körte (C. tuberosa D.C.) and other varieties of Corydalis, Fumariaceae. Synthesis of dl-corypalmine: Govindachari et al., Ber. 92, 1654 (1959).
Derivative Type: d-Form
Properties: Small crystals, mp 236°. [a]D16 +280° (chloroform). Insol in water; sol in alcohol and chloroform: Späth et al., Ber. 56, 878 (1923); 58, 2133 (1925); 60, 383 (1927).
Melting point: mp 236°
Optical Rotation: [a]D16 +280° (chloroform)
Derivative Type: l-Form
Properties: Crystals from chloroform-methanol, mp 246° (in vac): Manske, Can. J. Res. 20B, 57 (1942); 21B, 111 (1943).
Melting point: mp 246° (in vac): Manske, Can. J. Res. 20B, 57 (1942); 21B, 111 (1943)
Derivative Type: dl-Form
Properties: Crystals from methanol, mp 207°.
Melting point: mp 207°
Corytuberine Cotarnine Cotinine Cotoin Cotton-root Bark