cas 15291-75-5, Ginkgolide A | Articles data ｜lookchem

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15291-75-5

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Chemistry of the ginkgolides. Part 10: Access to 14C-labelled ginkgolide A
In four reaction steps, ginkgolide A (1) was synthesized from the enol- acetate 3, which is available in six steps from 1. The key step was the react on of the α-epoxy-acetate 4 with the lithium enolate of methyl propionate to give the compounds 5 and 6. 14C-Labelled ginkgolide A, which is of interest for pharmacological studies, can be synthesized using the 14C-labelled methyl propionate. (C) 2000 Elsevier Science Ltd.
Weinges, Klaus,Schick, Hartmut,Irngartinger, Hermann,Oeser, Thomas
p. 3173 - 3176
(2000)
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TOTAL SYNTHESIS OF GINKGOLIDE A
Ginkgolide A (1) has been synthesized from the trilactone 3 and also from ginkgolide B (2).
Corey, E.J.,Ghosh, Arun K.
p. 3205 - 3206
(2007/10/02)

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Chemical Properties

Appearance/Colour :crystalline solid
Melting Point: 280 °C (dec.)
Boiling Point: 813.8 °C at 760 mmHg
Flash Point:291.4 °C
Density: 1.72 g/cm³
Solubility:Soluble in DMSO
Storage Temp.:2-8°C
Vapor Pressure: 2.69E-23mmHg at 25°C
Refractive Index: 1.631
PKA: 11.45±0.70(Predicted)
PSA: 128.59000
LogP: -0.34030

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