cas 22487-36-1, (1R,2S,6S,9S)-9-methyl-2-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-3-oxabicyclo[4.3.0]non-4-ene-5-carboxylic acid | Articles data ｜lookchem

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22487-36-1

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Iridoid glucosides from Picconia excelsa
An investigation of the iridoids of Picconia excelsa from Tenerife provided 17 iridoid glucosides together with verbascoside. Major constituents (> 0.5%) were loganin, ketologanin, oleoacteoside and the new picconioside I- a bisiridoid consisting of loganin esterified with deoxyloganin. Minor constituents were secoxyloganin, 8-epi-kingiside, oleoside 11-methyl ester, excelsioside, ligstroside and loganic acid together with the new compounds ketologanic acid, 6β-hydroxy-7-epi-loganin and picconiosides II-V, the latter four being esters of loganin and menthiafolic, foliamenthic, 6-(Z)- foliamenthic or 6,7-dihydrofoliamenthic acid. The structures were mainly elucidated by NMR spectroscopy.
Damtoft, Soren,Franzyk, Henrik,Jensen, Soren Rosendal
p. 743 - 750
(2007/10/03)

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Chemical Properties

Melting Point: 88-90 °C
Boiling Point: 597.2°Cat760mmHg
Flash Point:217.9°C
Density: 1.52g/cm³
Vapor Pressure: 9.45E-17mmHg at 25°C
PKA: 4.65±0.60(Predicted)
PSA: 145.91000
LogP: -1.21000

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