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(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester

(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester Structure
(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester structure
CAS No.
55870-82-1
Chemical Name:
(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester
Synonyms
Echitoserpine;(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester;Aspidospermidine-3-carboxylic acid, 2,3-didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]-, methyl ester, (5α,12R,19α,20R)- (9CI)
CBNumber:
CB42191955
Molecular Formula:
C31H34N2O8
Molecular Weight:
562.61
MDL Number:
MOL File:
55870-82-1.mol
Request For Quotation

(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester Properties

Melting point 154°C

(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester Chemical Properties,Uses,Production

Description

This second alkaloid obtained from the fruit of Alstonia venenata is the 3-methoxy derivative of the preceding base. It also forms colourless crystals from MeOH and has a specific rotation of [α] D - 444.5° (c 0.3, CHC13). The ultraviolet spectrum in ethanolic solution has absorption maxima at 205, 252, 301 and 325 nm with a shoulder at 220 nm.

References

Majumder et at., Tetrahedron, 30, 2761 (1974)

(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester Preparation Products And Raw materials

Raw materials

Preparation Products

(5α,12β,19α,20R)-2,3-Didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]aspidospermidine-3-carboxylic acid methyl ester Echitoserpine Aspidospermidine-3-carboxylic acid, 2,3-didehydro-16-methoxy-20-[[(7-methoxy-1,3-benzodioxol-5-yl)carbonyl]oxy]-, methyl ester, (5α,12R,19α,20R)- (9CI) 55870-82-1