Taxonomic group: plant / Streptophyta
(Phylum: Streptophyta)
Organ / tissue: whole plant
The structure was elucidated in this paperPublication DOI: 10.1002/(SICI)1099-1573(1998)12:1+3.0.CO;2-PJournal NLM ID: 8904486Publisher: Chichester: Wiley
Institutions: Dipartimento di Chimica delle Sostanze Naturali, Università degli Studi di Napoli ‘Federico II’, Napoli, Italy
From the methanol extract of Alchemilla vulgaris L. (Rosaceae) four flavonoid glycosides were obtained, The isolated compounds were characterized by their spectral and chromatographic data. The known pharmacological properties of flavonoids may explain the use of this plant in popular medicine.
flavonoids, Alchemilla vulgaris L
Structure type: monomer ; 635 [M-H]-
C
32H
28O
14Location inside paper: p. 162, column 1, paragraph 3, compound 4, table 3
Compound class: glycoside
Contained glycoepitopes: IEDB_116879,IEDB_142488,IEDB_146664,IEDB_983931,SB_192
Methods: 13C NMR, 1H NMR, FAB-MS, HPLC, extraction, column chromatography, DEPT
Related record ID(s): 61821, 61822, 61823
NCBI Taxonomy refs (TaxIDs): 49855
Show glycosyltransferases
NMR conditions: in CD3OD
[as TSV]
13C NMR data:
Linkage Residue C1 C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16
3,6 xXpCoum
3 bDGlcp
xXKaempferol - 158.0 134.0 179.0 161.0 100.0 166.0 94.8 158.4 103.9 122.7 131.2 116.0 161.0 116.0 131.2
1H NMR data:
Linkage Residue H1 H2 H3 H4 H5 H6 H7 H8 H9 H10 H11 H12 H13 H14 H15 H16
3,6 xXpCoum - 7.38 6.38 - 6.38 7.38 7.42 6.09 -
3 bDGlcp 5.26 ? ? ? ? ?
xXKaempferol - - - - - 6.16 - 6.35 - - - 8.05 6.84 - 6.84 8.05
1H/13C HSQC data:
Linkage Residue C1/H1 C2/H2 C3/H3 C4/H4 C5/H5 C6/H6 C7/H7 C8/H8 C9/H9 C10/H10 C11/H11 C12/H12 C13/H13 C14/H14 C15/H15 C16/H16
3,6 xXpCoum NMR TSV error 2: unequal length of 13C and 1H datasets
3 bDGlcp NMR TSV error 2: unequal length of 13C and 1H datasets
xXKaempferol 100.0/6.16 94.8/6.35 131.2/8.05 116.0/6.84 116.0/6.84 131.2/8.05
1H NMR data:
Linkage | Residue | H1 | H2 | H3 | H4 | H5 | H6 | H7 | H8 | H9 | H10 | H11 | H12 | H13 | H14 | H15 | H16 |
3,6 | xXpCoum |
| 7.38 | 6.38 |
| 6.38 | 7.38 | 7.42 | 6.09 |
| |
3 | bDGlcp | 5.26 | ? | ? | ? | ? | ? | |
| xXKaempferol |
|
|
|
|
| 6.16 |
| 6.35 |
|
|
| 8.05 | 6.84 |
| 6.84 | 8.05 |
|
13C NMR data:
Linkage | Residue | C1 | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | C12 | C13 | C14 | C15 | C16 |
3,6 | xXpCoum | |
3 | bDGlcp | |
| xXKaempferol |
| 158.0 | 134.0 | 179.0 | 161.0 | 100.0 | 166.0 | 94.8 | 158.4 | 103.9 | 122.7 | 131.2 | 116.0 | 161.0 | 116.0 | 131.2 |
|
 The spectrum also has 1 signal at unknown position (not plotted). |
There is only one chemically distinct structure: