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| | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one Basic information |
| Product Name: | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one | | Synonyms: | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one;Xylostosidine;5H,8H-Pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one, 9-ethenyl-8-(β-D-glucopyranosyloxy)-2,3,9,9a,10,10a-hexahydro-, (8S,9R,9aS,10aS)- | | CAS: | 74518-57-3 | | MF: | C18H25NO8S | | MW: | 415.46 | | EINECS: | | | Product Categories: | | | Mol File: | 74518-57-3.mol | ![9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one Structure](CAS/20211123/GIF/74518-57-3.gif) |
| | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one Chemical Properties |
| Melting point | 190 °C | | Boiling point | 710.1±60.0 °C(Predicted) | | density | 1.54±0.1 g/cm3(Predicted) | | pka | 12.79±0.70(Predicted) |
| | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one Usage And Synthesis |
| Occurrence | A glucosidic sulphur-containing alkaloid, xylostosidine occurs in the water-soluble fraction
of the extract of Lonicera xylosteum. It forms colourless needles when crystallized from
MeOH and is laevorotatory with a specific rotation of [α]D -289.37° (c 0.56, MeOH).
The ultraviolet spectrum in MeOH consists of a single absorption maximum at 238 nm.
Acetylation furnishes the tetraacetate which is laevorotatory with a specific rotation of
[α]D20D -85.35° (c 0.35, CHCl3). |
| | 9α-Vinyl-8β-(β-D-glucopyranosyloxy)-2,3,9,9aβ,10,10aβ-hexahydro-5H,8H-pyrano[4,3-d]thiazolo[3,2-a]pyridin-5-one Preparation Products And Raw materials |
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