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apovincamine

Synonym(s):Apovincamine;Methyl (13aS,13bS)-13a-ethyl-2,3,5,6,13a,13b-hexahydro-1H-indolo[3,2,1-de]pyrido[3,2,1-ij][1,5]naphthyridine-12-carboxylate;Vinpocetine EP Impurity B

  • CAS NO.:4880-92-6
  • Empirical Formula: C21H24N2O2
  • Molecular Weight: 336.43
  • MDL number: MFCD00867558
  • EINECS: 225-491-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-08-08 18:06:34
apovincamine Structural

What is apovincamine?

Originator

Apovincamine,GC Promochem

The Uses of apovincamine

cis-Apovincamine (Vinpocetine USP Related Compound B), is a vinca alkaloid and a chemical precursor of Vinpocetine (V332500), a derivative of Vincamine with vasodilating activity. Vasodilator (cerebral).

Definition

ChEBI: Apovincamine is an alkaloid.

Manufacturing Process

Apovincamine is semisynthethetic derivative of (+)-vincamine. Vincamine is alkaloid of Vinca minor. Alcoloid of Tabernaemontana rigida (Apocynaceae) also is used as raw material for preparing of apovincamine. (+)- Vincamine was transformed into oxime ester by reaction with NaNO2 in acetic acid at 0°C -(+/-)-methyl-3-((12bR)-1-ethyl-1,2,3,4,6,7,12,12b-octahydroindolo[2,3- a]quinolizin-1-yl)-2-(hydroxyimino)propanoate, which was resolved on the isomers with dibenzoyl D-tartratic acid. (-)-Methyl 3-((12bR)-1-ethyl- 1,2,3,4,6,7,12,12b-octahydroindolo[2,3-a]quinolizin-1-yl)-2- (hydroxyimino)propanoate was re-crystallized from methanol to afford (-)- methyloxime ester, MP: 195°C.
2 g of above oxime methyl ester was heated in mixture of methanol (37.5 ml) and conc. H2SO4 (13.5 ml) on water bath for 1 hour. The solution was poured into ice-water (80 ml), basified with conc. NH4OH to pH 9, and extracted with CH2Cl2 (3x20 ml). The combined extracts were dried (MgSO4), filtered, evaporated in vacuum and the residue was re-crystallized from MeOH (5 ml) to yield 1.32 g (72.5%) of (+)-apovincamine, MP: 160°-162°C.

Therapeutic Function

Vasodilator

Properties of apovincamine

Melting point: 160-162℃
Boiling point: 405.7±45.0 °C(Predicted)
Density  1.30±0.1 g/cm3(Predicted)
storage temp.  Refrigerator
solubility  Chloroform (Slightly), Methanol (Slightly)
pka 7.82±0.60(Predicted)
form  neat
color  Off-White to Pale Grey

Safety information for apovincamine

Computed Descriptors for apovincamine

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