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You searched for: Author "A. V. Skhirtladze" Remove constraint Author: "A. V. Skhirtladze"
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1. Chemical Constituents of Yucca gloriosa Flowers

Author:
A. V. Skhirtladze,   et al.   ; M. M. Benidze; M. Z. Getia; E. P. Kemertelidze;     Show all 4 Authors
Source:
Chemistry of natural compounds 2022 v.58 no.1 pp. 50-54
ISSN:
0009-3130
Subject:
Yucca gloriosa; glycosides; sesquiterpenoids; triterpenoids; Georgia
Abstract:
... Four new sesquiterpene glycosides and one triterpene glycoside were isolated from flowers of Yucca gloriosa L. introduced into Georgia. ...
DOI:
10.1007/s10600-022-03595-z

2. Cycloartane Glycosides from Astragalus falcatus of the Flora of Georgia

Author:
A. V. Skhirtladze,   et al.   ; M. D. Alaniya; M. G. Sutiashvili; M. Z. Getiya;     Show all 4 Authors
Source:
Chemistry of natural compounds 2021 v.57 no.5 pp. 887-890
ISSN:
0009-3130
Subject:
Astragalus falcatus; chemistry; flora; glycosides; spectral analysis; Georgia
Abstract:
... The structures of three cycloartane glycosides isolated from Astragalus falcatus Lam. that were cyclogalegigenin derivatives were elucidated. Compound 1 was cyclogalegigenin-3-O-β-D-(3′-Oacetyl) xylopyranosyl-(2′→1′′)′-O-α-L-rhamnopyranosyl-6-O-β-D-glucopyranoside (cyclofalcoside A); compound 2, cyclogalegigenin-3-O-β-D-(2′-O-acetyl)xylopyranosyl-6-O-β-D-glucopyranoside (cyclofalcoside B), which w ...
DOI:
10.1007/s10600-021-03503-x

3. New Steroidal Glycosides from Pericarps of Digitalis ciliata

Author:
A. V. Skhirtladze,   et al.   ; E. P. Kemertelidze; M. M. Benidze; V. G. Nebieridze; Markus Ganzera;     Show all 5 Authors
Source:
Chemistry of natural compounds 2020 v.56 no.2 pp. 282-285
ISSN:
0009-3130
Subject:
Digitalis; glycosides; pericarp
Abstract:
... Pericarps of Digitalis ciliata Trautv. yielded 12 steroidal compounds, three of which were new, i.e., two furostanol and one spirostanol glycosides. ...
DOI:
10.1007/s10600-020-03007-0

4. New Cycloartane Glycoside from Astragalus mucidus

Author:
A. V. Skhirtladze,   et al.   ; M. A. Agzamova; A. A. Zhanibekov; M. D. Alaniya; V. D. Mshvildadze;     Show all 5 Authors
Source:
Chemistry of natural compounds 2020 v.56 no.6 pp. 1085-1087
ISSN:
0009-3130
Subject:
Astragalus; aerial parts; chemical structure; glycosides; triterpenoids
Abstract:
... A new glycoside was isolated from the aerial part of Astragalus mucidus. Its chemical structure was characterized as a cycloartane triterpenoid using PMR and ¹³C NMR spectra (COSY, HMQC, HMBC). The glycoside was called cyclomucidoside A. ...
DOI:
10.1007/s10600-020-03232-7

5. Chemical Composition of Flowers of Yucca elephantipes Cultivated in Georgia

Author:
A. V. Skhirtladze,   et al.   ; E. P. Kemertelidze; M. M. Benidze; V. G. Nebieridze; M. Ganzera;     Show all 5 Authors
Source:
Chemistry of natural compounds 2020 v.56 no.5 pp. 874-877
ISSN:
0009-3130
Subject:
Yucca; chemical composition; glycosides; nerolidol; Georgia
Abstract:
... Three sesquiterpene glycosides, i.e., nerolidol derivatives, and steroidal glycosides of the 3-furostanol and 1-spirostanol series, one of which was new and characterized as (25R)-26-O-β-D-Glcp-5α-furostan-3β,22α,26-triol 3-O-β-D-Xylp-(1→3)-[O-β-D-Glcp-(1→3)-O-β-D-Glcp-(1→2)]-O-β-D-Glcp-(1→4)-O-β- D-Galp, were isolated from flowers of Yucca elephantipes Regel cultivated in Georgia. The structures ...
DOI:
10.1007/s10600-020-03173-1

6. Steroidal Glycoside from Allium porrum

Author:
A. V. Skhirtladze,   et al.   ; L. N. Gvazava;     Show all 2 Author
Source:
Chemistry of natural compounds 2018 v.54 no.3 pp. 487-489
ISSN:
0009-3130
Subject:
Allium porrum; chemistry; glycosides; spectral analysis
Abstract:
... New steroidal glycoside 1 was isolated by fractionating total extracted substances from Allium porrum. Its structure was determined as (25R)-5_-spirostane-3β,6β-diol-2,12-dione 3-O-{β-D-glucopyranosyl-(1→3)-β-D-glucopyranosyl-(1→2)-[β-D-xylopyranosyl-(1→3)]-β-D-glucopyranosyl-(1→4)-β-Dgalactopyranoside} using chemical transformations, physical constants, and spectral data. ...
DOI:
10.1007/s10600-018-2385-0

7. Steroidal Saponin from Allium porrum

Author:
A. V. Skhirtladze,   et al.   ; L. N. Gvazava;     Show all 2 Author
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1093-1095
ISSN:
0009-3130
Subject:
Allium porrum; chemical structure; fractionation; spectral analysis; steroid saponins
Abstract:
... A new steroidal glycoside (1) was isolated by fractionation of total extracted substances from Allium porrum. Its structure was determined as (25R)-5α-spirostan-3β,6β-diol-12-one 3-O-β-D-glucopyranosyl-(1→2)-[β-D-fucopyranosyl-(1→3)]-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside using chemical transformations, physical constants, and spectral data. ...
DOI:
10.1007/s10600-017-2208-8

8. Megastigmane Glycosides from Leaves of Tribulus terrestris

Author:
A. V. Skhirtladze,   et al.   ; V. G. Nebieridze; E. P. Kemertelidze; Markus Ganzera;     Show all 4 Authors
Source:
Chemistry of natural compounds 2018 v.54 no.1 pp. 63-65
ISSN:
0009-3130
Subject:
Tribulus terrestris; chemistry; glycosides; leaves; Georgia
Abstract:
... The megastigmane glycosides roseoside and debiloside B; a new compound with the established structure (3R,4R,7E,9R)-5,7-megastigmadien-3,4,9-triol 9-O-β-D-glucopyranoside, which was named vajicoside; and the new phenolic compound 2-O-sulfo-β-D-glucopyranoside were isolated from leaves of Tribulus terrestris growing in Georgia. ...
DOI:
10.1007/s10600-018-2259-5

9. Sesquiterpene Glycosides from Flowers of Yucca gloriosa

Author:
A. V. Skhirtladze,   et al.   ; M. M. Benidze; V. G. Nebieridze; Markus Ganzera; E. P. Kemertelidze;     Show all 5 Authors
Source:
Chemistry of natural compounds 2018 v.54 no.1 pp. 73-76
ISSN:
0009-3130
Subject:
Yucca gloriosa; carbon; chemical structure; electrospray ionization mass spectrometry; flowers; glycosides; methanol; nerolidol; nuclear magnetic resonance spectroscopy; spectral analysis; stable isotopes
Abstract:
... Three sesquiterpene glycosides were isolated from the MeOH (70%) extract of flowers of Yucca gloriosa L. Their chemical structures were established using spectral analyses, i.e., 1D and 2D NMR (1H, ¹³C, HSQC, HMBC, COSY) and mass spectroscopy (ESI-MS). They all were new glycoside derivatives of nerolidol and a new class for the genus Yucca. Glycoside 1 had the structure (1E,3S,5R,6E,9E)-5-O-β-D-gl ...
DOI:
10.1007/s10600-018-2262-x

10. Steroidal and Triterpenoid Glycosides from Roots of Digitalis ciliata

Author:
A. V. Skhirtladze,   et al.   ; E. P. Kemertelidze; M. Ganzera;     Show all 3 Authors
Source:
Chemistry of natural compounds 2017 v.53 no.3 pp. 492-496
ISSN:
0009-3130
Subject:
Digitalis; chemistry; electrospray ionization mass spectrometry; nuclear magnetic resonance spectroscopy; roots; saponins; stable isotopes; triterpenoids
Abstract:
... Five new compounds, i.e., four furostanol glycosides and one triterpene saponin, were isolated from roots of Digitalis ciliata. The structures of the obtained compounds were established using 1D and 2D NMR (¹H, ¹³C, HSQC, HMBC, COSY) and mass spectroscopy (ESI-MS). ...
DOI:
10.1007/s10600-017-2029-9

11. Cyclotanoside, a New Cycloartane Glycoside from Flowers of Astragalus tanae

Author:
A. V. Skhirtladze,   et al.   ; M. D. Alaniya; N. Sh. Kavtaradze; J. N. Aneli;     Show all 4 Authors
Source:
Chemistry of natural compounds 2017 v.53 no.4 pp. 682-686
ISSN:
0009-3130
Subject:
Astragalus; chemistry; flowers; saponins; triterpenoids
Abstract:
... The new cycloartane glycoside cyclotanoside and the triterpene saponin astragaloside VIII were isolated from flowers of Astragalus tanae Sosn. Their structures were established as 9β,19-cyclolanost-12,24E-dien-1α,3β,6α,16β,27-pentaol-27-O-β-D-(6′-O-acetoxy)-galactopyranoside and 3-O-α-L-rhamnopyranosyl-(1→2)-O-β-D-xylopyranosyl-(1→2)-O-β-D-glucuronopyranosyl-soyasapogenol B. ...
DOI:
10.1007/s10600-017-2090-4

12. Steroidal Saponin from Polygonatum verticillatum

Author:
A. V. Skhirtladze,   et al.   ; L. N. Gvazava;     Show all 2 Author
Source:
Chemistry of natural compounds 2016 v.52 no.6 pp. 1052-1055
ISSN:
0009-3130
Subject:
Polygonatum; chemistry; fractionation; rhizomes; spectral analysis; steroid saponins
Abstract:
... New steroidal glycoside 1 was isolated by fractionation of total extracted compounds from rhizomes of Polygonatum verticillatum (Convallariaceae). Chemical transformations, physical constants, and spectral data characterized its structure as (25S)-spirost-5-en-3β-ol 3-O-β-D-glucopyranosyl-(1→3)-[β-Dfucopyranosyl-(1→2)]-β-D-glucopyranosyl-(1→4)-β-D-galactopyranoside. ...
DOI:
10.1007/s10600-016-1859-1

13. New Steroidal Glycosides from Pericarp of Digitalis ferruginea

Author:
A. V. Skhirtladze,   et al.   ; T. A. Kopaliani; V. G. Nebieridze; E. P. Kemertelidze; Markus Ganzera;     Show all 5 Authors
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1083-1087
ISSN:
0009-3130
Subject:
Digitalis ferruginea; fruit extracts; glycosides; pericarp
Abstract:
... Nine steroidal compounds, three of which were new (two furostanol and one spirostanol glycosides), were isolated from pericarp of Digitalis ferruginea L. fruit. ...
DOI:
10.1007/s10600-017-2206-x

14. Flavanonol Glycosides from Leaves of Phellodendron lavallei Introduced in Georgia

Author:
A. V. Skhirtladze,   et al.   ; K. G. Shalashvili; M. G. Sutiashvili; M. D. Alaniya; N. Sh. Kavtaradze;     Show all 5 Authors
Source:
Chemistry of natural compounds 2018 v.54 no.2 pp. 263-266
ISSN:
0009-3130
Subject:
Phellodendron; chemistry; flavanones; glycosides; leaves; mass spectrometry; nuclear magnetic resonance spectroscopy; Georgia
Abstract:
... The new flavanonol glycoside (2S,3S)-3,5-dihydroxy-2-(4′-hydroxyphenyl)-8-(3-methylbut-2-en-1-yl)-4-oxo-3,4-dihydro-2H-chromen-7-yl-β-D-glucopyranosyl-(3→1)-xylopyranoside (lavaloside) (1) and the known compound phellamurin (2) were isolated from leaves of Phellodendron lavallei. The structures of the flavanone glycosides were elucidated using chemical transformations and UV, PMR, and ¹³C NMR spec ...
DOI:
10.1007/s10600-018-2319-x

15. Steroid Composition of Fruit from Yucca gloriosa Introduced into Georgia

Author:
A. V. Skhirtladze,   et al.   ; M. M. Benidze; E. P. Kemertelidze; B. L. Grigolava; Sonja Sturm; Markus Ganzera;     Show all 6 Authors
Source:
Chemistry of natural compounds 2015 v.51 no.2 pp. 283-288
ISSN:
0009-3130
Subject:
Yucca gloriosa; chemistry; fruit composition; glycosides; monosaccharides; pericarp; Georgia
Abstract:
... Eight new spiro- and furostanol glycosides that were tigogenin derivatives were isolated from pericarp of Yucca gloriosa fruit. The carbohydrate part of the furostanols contained 7–8 monosaccharides. The structures of the obtained compounds were elucidated using modern spectral methods. ...
DOI:
10.1007/s10600-015-1262-3

16. Iridoid Glycosides from Roots of Verbascum laxum

Author:
A. V. Skhirtladze,   et al.   ; M. D. Alaniya; M. G. Sutiashvili; K. G. Shalashvili; V. D. Mshvildadze; A. Pichette;     Show all 6 Authors
Source:
Chemistry of natural compounds 2014 v.50 no.5 pp. 842-845
ISSN:
0009-3130
Subject:
Verbascum; iridoid glycosides; mass spectrometry; nuclear magnetic resonance spectroscopy; roots; spectral analysis
Abstract:
... A new dimeric iridoid laxoside with the structure 6′′′-O-[6-O-(4″-trans-p-methoxycinnamoyl)-5-hydroxyaucubigenin-(1→1′)-O-β-D-galactopyranosyl]-6″″-O-trans-p-methoxycinnamoylaucubin and 10-O-p-coumaroylharpagide (harpagoside) were isolated from roots of Verbascum laxum Fil. & Jav. The structures of the iridoids were established based on chemical transformations; UV, IR, PMR, and ¹³C NMR spectral d ...
DOI:
10.1007/s10600-014-1096-4