Description
Serpentine isolated from the herbs of Rauvolfia yunnanensis.
Synonyms
3,4,5,6,16,17-Hexadehydro-16-(methoxycarbonyl)-19α-methyl-18-oxayohimban-4-ium-1-ide;
IUPAC Name
methyl (15R,16S,20S)-16-methyl-17-oxa-3-aza-13-azoniapentacyclo[11.8.0.02,10.04,9.015,20]henicosa-1(13),2(10),4,6,8,11,18-heptaene-19-carboxylate
Molecular Formula
C21H21N2O3
Canonical SMILES
CC1C2C[N+]3=C(CC2C(=CO1)C(=O)OC)C4=C(C=C3)C5=CC=CC=C5N4
InChI
1S/C21H23NO5/c1-22-9-14-12(4-5-16(24-2)21(14)25-3)19-15(23)6-11-7-17-18(27-10-26-17)8-13(11)20(19)22/h4-5,7-8,15,19-20,23H,6,9-10H2,1-3H3/t15-,19-,20+/m0/s1
InChIKey
MADYLZJCRKUBIK-RYGJVYDSSA-N
Boiling Point
482.77°C (rough estimate)
Melting Point
158°C (air-dried); mp 175°C (after drying at 120°C in a high vacuum, but still not entirely solvent-free)
Density
1.2214 g/cm3(rough estimate)
Alpha
D25 +292° (c = 0.27 in methanol); D25 +267° (c = 0.21 in ethanol)
Definition
ChEBI: An indole alkaloid that is 18-oxayohimban dehydrogenated at positions 3, 4, 5, 6, 16 and 17 and substituted by a methyl group at the 19alpha position and by a methoxycarbonyl group at position 16.
Refractive Index
1.6500 (estimate)