Title: Corycavidine
CAS Registry Number: 521-93-7
CAS Name: (15R)-5,7,8,15-Tetrahydro-3,4-dimethoxy-6,15-dimethyl-[1,3]benzodioxolo[5,6-e][2]benzazecin-14(6H)-one
Molecular Formula: C22H25NO5
Molecular Weight: 383.44
Percent Composition: C 68.91%, H 6.57%, N 3.65%, O 20.86%
Literature References: In Corydalis cava (L.) Schweigg & Korte (C. tuberosa DC.), Fumariaceae: Gadamer, Arch. Pharm. 249, 30 (1911); von Bruchhausen, ibid. 263, 570 (1925). Synthesis of dl-form: Govindachari, Rajadurai, J. Sci. Ind. Res. 16B, 506 (1957).
Properties: Crystals from methanol, mp 212°. [a]D20 +211°. Unstable to light; racemizes at the mp.
Melting point: mp 212°
Optical Rotation: [a]D20 +211°
Derivative Type: dl-Form
Properties: Prisms from ether, mp 194°.
Melting point: mp 194°
Derivative Type: Hydrochloride
Molecular Formula: C22H25NO5.HCl
Molecular Weight: 419.90
Percent Composition: C 62.93%, H 6.24%, N 3.34%, O 19.05%, Cl 8.44%
Properties: Crystals, easily sol in water and alcohol.
Status: This monograph has been retired and is no longer subject to revision or update.

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