6-O-Cinnamoylcatalpol | CAS:136807-41-5

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Naturstoffe aus Arzneipflanzen, XXII. Notiz über die Isolierung und Konstitutionsaufklärung eines neuen Picrosids aus Picrorhiza kurrooa Royle und Benth.[Reference: WebLink]

METHODS AND RESULTS:
Der Extrakt von Picrorhiza kurrooa enthält neben dem von uns isolierten Picrosid-I (6′-Cinnamoylcatalpol, 6-O-Cinnamoylcatalpol,2) und Picrosid-II (6-Vanilloylcatalpol, 3) ein drittes Picrosid, dessen Konstitution als 6′-(4-Hydroxy-3-methoxycinnamoyl)catalpol (4) spektroskopisch bewiesen wird. Außer den drei Picrosiden 2–4 wird ein Gemisch der 6-Cinnamoyl-α- und 6-Cinnamoyl-β-D-glucopyranose isoliert, das sehr wahrscheinlich bei der Aufarbeitung durch Spaltung des Picrosids-I (2) entsteht.Natural Products from Medicinal Plants, XXII. — Note on the Isolation and Elucidation of the Constitution of a New Picroside from Picrorhiza kurrooa Royle and Benth.
CONCLUSIONS:
Besides containing picroside-I (6′-cinnamoylcatalpol, 2) and picroside-II (6-vanilloylcatalpol, 3), previously isolated by us, the extract from Picrorhiza kurrooa includes a third picroside whose constitution has been shown spectroscopically to be 6′-(4-hydroxy-3-methoxycinnamoyl)-catalpol (4). In addition to the three picrosides 2–4 a mixture of 6-cinnamoyl-α-and 6-cinnamoyl-β-D-glucopyranose is isolated which presumably is formed by cleavage of the picroside-I (2) during work-up.

Product Name	6-O-Cinnamoylcatalpol
CAS No.:	136807-41-5
Catalog No.:	CFN99428
Molecular Formula:	C₂₄H₂₈O₁₁
Molecular Weight:	492.5 g/mol
Purity:	>=98%
Type of Compound:	Iridoids
Physical Desc.:	Powder
Source:	The herbs of Rehmannia glutinosa (Gaert.) Libosch. ex Fisch. et Mey
Solvent:	DMSO, Pyridine, Methanol, Ethanol, etc.
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