Description
Rotundine (L-tetrahydropalmatine, L-THP) is an alkaloid found in several different plant species. It is a selective dopamine D1 receptor antagonist with IC50 of 166 nM.
Synonyms
(13aS)-5,8,13,13a-Tetrahydro-2,3,9,10-tetramethoxy-6H-dibenzo[a,g]quinolizine; O,O-Dimethyl-N-demethyl-cyclanoline; Gindarine; (-)-2,3,9,10-Tetramethoxyberbine; (-)-Corydalis B; (-)-S-Tetrahydropalmatine; (-)-Tetrahydropalmatine; (S)-Tetrahydropalmatine; Caseanine; Hyndarine; N-Demethyl-O,O'-dimethylcyclanoline; N-Demethyl-O,O'-dimethylsteponine
IUPAC Name
(13aS)-2,3,9,10-tetramethoxy-6,8,13,13a-tetrahydro-5H-isoquinolino[2,1-b]isoquinoline
Molecular Formula
C21H25NO4
Canonical SMILES
COC1=C(C2=C(CC3C4=CC(=C(C=C4CCN3C2)OC)OC)C=C1)OC
InChI
InChI=1S/C21H25NO4/c1-23-18-6-5-13-9-17-15-11-20(25-3)19(24-2)10-14(15)7-8-22(17)12-16(13)21(18)26-4/h5-6,10-11,17H,7-9,12H2,1-4H3/t17-/m0/s1
InChIKey
AEQDJSLRWYMAQI-KRWDZBQOSA-N
Boiling Point
482.9±45.0°C (Predicted)
Density
1.23±0.1 g/cm3(Predicted)
Appearance
White to Off-White Solid
Application
Antihypertensive Agents
Storage
Sealed in dry,2-8°C
Definition
ChEBI: A berberine alkaloid obtained by formal addition of two molecules of hydrogen to the pyridine ring of palmatine.
Uses
Rotundine is an analgesic drug found in Chinese herbal medicine, used to treat heart disease and liver damage.