131-02-2

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131-02-2 Structure

Identification	Back Directory
[Name] methyl (3beta,19alpha,20alpha)-16,17-didehydro-10,11-dimethoxy-19-methyloxayohimban-16-carboxylate
[CAS] 131-02-2
[Synonyms] Reserpilin Reserpiline Elliptamine Einecs 205-005-3 Methyl (3?,19?,20?)-16,17-didehydro-10,11-dimethoxy-19-methyloxayohimban-16-carboxylate Methyl 16,17-didehydro-10,11-dimethoxy-19alpha-methyl-18-oxa-3beta,20alpha-yohimban-16-carboxylat (3β,20α)-16,17-Didehydro-10,11-dimethoxy-19α-methyl-18-oxayohimban-16-carboxylic acid methyl ester (3β,20α)-16,17-Didehydro-19α-methyl-10,11-dimethoxy-18-oxayohimban-16-carboxylic acid methyl ester Oxayohimban-16-carboxylic acid, 16,17-didehydro-10,11-dimethoxy-19-methyl-, methyl ester, (3-beta,19-alpha,20-alpha)- 4H-Indolo[2,3-a]pyrano[3,4-g]quinolizine-1-carboxylic acid, 4a,5,7,8,13,13b,14,14a-octahydro-10,11-dimethoxy-4-methyl-, methyl ester, (4S,4aS,13bR,14aS)-
[EINECS(EC#)] 205-005-3
[Molecular Formula] C23H28N2O5
[MDL Number] MFCD01710270
[MOL File] 131-02-2.mol
[Molecular Weight] 412.48

Chemical Properties	Back Directory
[alpha ] D20 -38° (ethanol); -14° (c = 1.5 in pyridine); -12° (c = 1.7 in chloroform)
[Boiling point ] 180-185 °C(Press: 0.01 Torr)
[density ] 1.31±0.1 g/cm3(Predicted)
[storage temp. ] Store at -20°C
[form ] A solid
[pka] 17.95±0.60(Predicted)

Safety Data	Back Directory
[RIDADR ] 1544
[HazardClass ] 6.1(b)
[PackingGroup ] III
[Toxicity] guinea pig,LDLo,intravenous,19mg/kg (19mg/kg),Arzneimittel-Forschung. Drug Research. Vol. 23, Pg. 600, 1973.

Hazard Information	Back Directory
[Description] An amorphous alkaloid present in Rauwolfia canescens and R. serpentina, the alkaloid forms several crystalline salts and derivatives including the hydrochloride, m.p. 205-7°C; [α]²⁴_D - 40° (c 0.44, EtOH); the tartrate, m.p. 190- 2°C; [α]²⁰_D - 50° (c 1.0, H20); the oxalate, m.p. 252°C; [α]²⁰_D - 4° (c 0.2, aqueous EtOH); the picrate, m.p. 173°C and the di-p-toluyl-L-tartrate, m.p. 194- 5° C (dec.).
[Definition] ChEBI: Reserpiline is a yohimban alkaloid.
[storage] Store at -20°C
[References] Klohs et al., Chem. & Ind., 1264 (1954) Stoll, Hoffmann, Brunner., Helv. Chim. Acta, 38,270 (1955) Shamma, Richey., J. Amer. Chem. Soc., 85,2507 (1963)

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