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You searched for: Journal name Chemistry of natural compounds Remove constraint Journal name: Chemistry of natural compounds Publication year rev 7983-2017 Remove constraint Publication year rev: 7983-2017 Source 2017 v.53 no.6 Remove constraint Source: 2017 v.53 no.6
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1. The Alkaloidal Constituents of Cephalotaxus mannii Collected in Lam Dong Province, Vietnam

Author:
Tran Van Loc; Nguyen Thi Lieu; Tran Thi Phuong Thao; Nguyen Thi Luu; Ho Ngoc Anh; Le Thi Thu Ha; Tran Van Chien; Pham Thi Ninh; Dinh Thi Phong; Tran Van Sung
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1122-1126
ISSN:
0009-3130
Subject:
Cephalotaxus; Fourier transform infrared spectroscopy; alkaloids; electrospray ionization mass spectrometry; isomers; nuclear magnetic resonance spectroscopy; Vietnam
Abstract:
... Eight alkaloidal constituents have been isolated and structurally elucidated from Cephalotaxus mannii Hook. f. collected from the highland Lam Dong Province, Vietnam. They are: cephalotaxine (1), isoharringtonine (2), norisoharringtonine (3), desoxyharringtonine (4), nordesoxyharringtonine (5), cephalotaxine 𝛽 -N-oxide (6), 3-epi-schellhammericine (7), and an isomer of 3-epi-schellhammericine (8) ...
DOI:
10.1007/s10600-017-2214-x

2. First Ionic Conjugates of Dihydroquercetin Monosuccinate with Amines

Author:
N. V. Mamontova; E. I. Chernyak; E. V. Amosov; Yu. V. Gatilov; V. I. Vinogradova; S. F. Aripova; S. V. Morozov; I. A. Grigor’ev
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1045-1051
ISSN:
0009-3130
Subject:
alkaloids; amines; ammonia; antioxidant activity; free radicals; taxifolin; water solubility
Abstract:
... The reaction of dihydroquercetin monosuccinate with ammonia, a series of alkylamines, and amino-derivatives of heterocyclic compounds including nitroxyl radicals and alkaloids produced the corresponding ionic conjugates, the water solubility of which was 1–2 orders of magnitude greater than that of dihydroquercetin with retention of the high antioxidant activity. ...
DOI:
10.1007/s10600-017-2198-6

3. In vitro Antibacterial Evaluation of 1,2,4-Triazole Compounds Containing Purine Moiety

Author:
Sevdije Govori
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1137-1139
ISSN:
0009-3130
Subject:
antibacterial properties; carbon disulfide; ethanol; formic acid; moieties; nuclear magnetic resonance spectroscopy; potassium hydroxide
Abstract:
... 9H-[1,2,4]Triazolo[4,3-g]purin-5-amine (2) was synthesized by reaction of 6-hydrazinyl-7H-purin-2-amine (1a) with formic acid under reflux conditions. Treating compound 1a in ethanol with CS₂ in the presence of KOH yielded 5-amino-3H-[1,2,4]triazolo[4,3-g]purine-3-thione (3). The new synthesized compounds were characterized using IR, ¹H NMR, and elemental analysis. The synthesized compounds have b ...
DOI:
10.1007/s10600-017-2217-7

4. A New Amide and Antioxidant Constituents of Piper taiwanense

Author:
Jih-Jung Chen; Shih-Wei Wang; Chun-Lin Chen; Yueh-Hsiung Kuo; Ming-Jen Cheng; Tsung-Hsien Chang; Ping-Jyun Sung; Wen-Lung Kuo; Yun-Ping Lim
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1117-1121
ISSN:
0009-3130
Subject:
2,2-diphenyl-1-picrylhydrazyl; Piper; aerial parts; alkaloids; antioxidant activity; decolorization; free radical scavengers; plant extracts; spectroscopy; vitamin content
Abstract:
... A new amide, pipertaiwanamide (1), has been isolated from the aerial part of Piper taiwanense, together with four known compounds, taiwanamide A (2), taiwanamide B (3), 1-cinnamoylpyrrolidine (4), and N-cinnamoyltyramine (5). The structure of the new compound 1 was determined through spectroscopic and MS analyses. Pipertaiwanamide (1) and N-cinnamoyltyramine (5) exhibited free radical scavenging a ...
DOI:
10.1007/s10600-017-2213-y

5. A New Lignan Glucoside from Cyclea racemosa

Author:
Jian-Hua Shao; Xue-Wei Zhang; Zi-Ling Dong; Si-Hui Li; Ben-Jie Miao; Ke-Zhi Cheng
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1025-1027
ISSN:
0009-3130
Subject:
Cyclea; chemical structure; glucosides; lignans; spectral analysis
Abstract:
... A new lignan glucoside 1, along with two known lignans (2, 3), was isolated from Cyclea racemosa Oliv. Its structure was elucidated as (+)-7′-methoxylariciresinol 4-O-β-D-glucopyranoside on the basis of extensive spectroscopic analyses. ...
DOI:
10.1007/s10600-017-2193-y

6. New Steroidal Glycosides from Pericarp of Digitalis ferruginea

Author:
A. V. Skhirtladze; T. A. Kopaliani; V. G. Nebieridze; E. P. Kemertelidze; Markus Ganzera
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

7. New Triterpenoids from the Leaves of Alafia barteri

Author:
Abdulmumeen A. Hamid; Olapeju O. Aiyelaagbe; Arvind S. Negi; Suaib Luqman; Fatima Kaneez
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1075-1079
ISSN:
0009-3130
Subject:
Apocynaceae; acetates; cytotoxicity; inhibitory concentration 50; leaves; lupane; mass spectrometry; neoplasm cells; nuclear magnetic resonance spectroscopy; stigmasterol; viability
Abstract:
... A new oleanane derivative, 3β-acetyloleana-5,12-dien-2,23-diol (1), and a new lupane compound, lup-11,20(29)-dien-3 β,28-diol (2), together with eight known compounds, oleana-5,12-dien-3β-yl acetate (3), lup-5,20(29)-dien-3 β -yl acetate (4), 18-methylethylnonadecan-19-oic-9-enoate (6), octadecane (5), cis-pentadec-7-enoic acid (7), cis-tetradec-7,10-dienoic acid (8), cholest-4-en-3-one (9), and s ...
DOI:
10.1007/s10600-017-2204-z

8. Reaction of Halogenated Uracils with KI

Author:
I. B. Chernikova; L. V. Spirikhin; M. F. Abdullin; M. S. Yunusov
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1140-1143
ISSN:
0009-3130
Subject:
chemical reactions; chemical structure; methanol; sulfuric acid
Abstract:
... Treatment of 5-iodo-1,3,6-trimethyluracil or 5-bromo-1,3,6-trimethyluracil with H₂SO₄ (5%) in the presence of an excess of KI at 80°C for 5 h produced 1,3,6-trimethyluracil as the only product. Analogous treatment of N-bromo-6-iodomethyluracil gave a mixture with 5-bromo-6-iodomethyluracil as the main constituent. The reaction with an excess of KI in MeOH at 50°C formed 5-bromo-6-hydroxymethylurac ...
DOI:
10.1007/s10600-017-2218-6

9. Secondary Metabolites from Alternaria sp., a Fungal Endophyte Isolated from the Seeds of Ziziphus jujuba

Author:
Raha S. Orfali; Weaam Ebrahim; Azza M. El-Shafae
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1031-1034
ISSN:
0009-3130
Subject:
Alternaria; Ziziphus jujuba; alkaloids; culture media; cytotoxicity; endophytes; fungi; inhibitory concentration 50; liquids; medicinal plants; mice; neoplasm cells; nuclear magnetic resonance spectroscopy; polyketides; rice; secondary metabolites; seeds; Uzbekistan
Abstract:
... From the seeds of the traditional medicinal plant Ziziphus jujuba growing in Uzbekistan, the fungal endophyte Alternaria sp. was isolated. Extracts of this fungus grown on solid rice and liquid Wickerham culture media yielded 21 natural products. These natural products include the new phthalide natural product (±)7-methoxyphthalide-3-acetic acid (1) in addition to 20 known compounds including 19 p ...
DOI:
10.1007/s10600-017-2195-9

10. Steroidal Saponin from Allium porrum

Author:
L. N. Gvazava; A. V. Skhirtladze
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

11. Synthesis and Analgesic Activity of 5,7- and 6-Substituted Diazaadamantanes Containing Monoterpene Moieties

Author:
K. Yu. Ponomarev; E. A. Morozova; E. V. Suslov; D. V. Korchagina; T. G. Tolstikova; K. P. Volcho; N. F. Salakhutdinov
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1131-1136
ISSN:
0009-3130
Subject:
aldehydes; analgesic effect; analgesics; moieties; monoterpenoids; structure-activity relationships
Abstract:
... A series of new compounds combining diazaadamantane and monoterpene moieties that were analogs of highly potent analgesic substituted 5,7-dimethyl-1,3-diazaadamantan-6-ones were prepared by reacting 1,5-diethyl- and 1,5-dipropyl-3,7-diazabicyclo[3.3.1]nonan-9-ones with monoterpenoid aldehydes. Another two structural analogs of these compounds were synthesized by reducing the carbonyl. The biologic ...
DOI:
10.1007/s10600-017-2216-8

12. Synthesis and Antifungal Activity of Cuminic Acid Derivatives

Author:
Jian Yang; Yang Gao; Hui Liu; Xiaorong Tang
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1112-1116
ISSN:
0009-3130
Subject:
Bipolaris maydis; Botrytis cinerea; Coniothyrium; Fusarium graminearum; Sclerotinia sclerotiorum; Thanatephorus cucumeris; X-ray diffraction; antifungal properties; carbendazim; crystal structure; plant pathogenic fungi
Abstract:
... A series of benzamide derivatives (compounds 1–29) was synthesized based on the lead compound cuminic acid. The crystal structure of compound 11 was characterized by single crystal X-ray diffraction. The antifungal activity of the synthesized compounds was determined against seven plant pathogenic fungi, namely Rhizoctonia solani, Gibberella zeae, Helminthosporium maydis, Sclerotinia sclerotiorum, ...
DOI:
10.1007/s10600-017-2212-z

13. Synthesis and Antimicrobial Activity of Dihydrobetulin N-Acetylglucosaminides

Author:
I. Yu. Strobykina; B. F. Garifullin; R. R. Sharipova; A. D. Voloshina; A. S. Strobykina; A. B. Dobrynin; V. E. Kataev
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1101-1106
ISSN:
0009-3130
Subject:
Gram-negative bacteria; Staphylococcus aureus; antibacterial properties; fungi; glycosides
Abstract:
... Dihydrobetulin N-acetylglucosaminides were synthesized for the first time. A study of their antimicrobial activity against a standard set of Gram-positive and Gram-negative bacteria and fungi showed highly selective bacteriostatic activity for glycosides 9 and 13 against Staphylococcus aureus ATCC 209p. ...
DOI:
10.1007/s10600-017-2210-1

14. Synthesis and Antimicrobial Activity of Glucuronosyl Derivatives of Steviolbioside from Stevia rebaudiana

Author:
R. R. Sharipova; O. V. Andreeva; I. Yu. Strobykina; A. D. Voloshina; A. S. Strobykina; V. E. Kataev
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1107-1111
ISSN:
0009-3130
Subject:
Stevia rebaudiana; antibacterial properties; chloramphenicol; glycosides; minimum inhibitory concentration
Abstract:
... Glucuronosyl derivatives of the glycoside steviolbioside from Stevia rebaudiana were synthesized for the first time. Steviolbioside exhibited selective bacteriostatic and bactericidal activity against S. aureus ATCC 209p with minimum inhibitory concentration (MIC) of 62.5 μg/mL, which corresponded to the activity of the antibiotic chloramphenicol. ...
DOI:
10.1007/s10600-017-2211-0

15. Synthesis and Antiviral Activity of Glycyrrhizic-Acid Conjugates with Aromatic Amino Acids

Author:
L. A. Baltina Jr; A. I. Fairushina; L. A. Baltina; M. Yu. Eropkin; N. I. Konovalova; P. A. Petrova; E. M. Eropkina
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1096-1100
ISSN:
0009-3130
Subject:
antiviral properties; Human alphaherpesvirus 1; salts; glycyrrhizin; Orthomyxoviridae; tryptophan; tyrosine; triterpenoids; sodium; viruses; phenylalanine; herpes simplex
Abstract:
... Amino-acid conjugates of glycyrrhizic acid (GA) containing phenylalanine, tyrosine, and tryptophan in the carbohydrate and triterpene parts were synthesized using N-hydroxybenzotriazole (HOBt)-N,N′-dicyclohexylcarbodiimide (DCC) and sodium salts of the amino acids. GA conjugates containing two aminoacid residues in the glycoside carbohydrate part were synthesized using N-ethoxycarbonyl-2-ethoxy-1, ...
DOI:
10.1007/s10600-017-2209-7

16. Covalent and Ionic Conjugates of Trolox and α-Tocopherol with 1-Aminoadamantane

Author:
Yu. V. Yushkova; S. V. Morozov; E. I. Chernyak; I. A. Grigor’ev
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1059-1065
ISSN:
0009-3130
Subject:
alpha-tocopherol; chemical bonding; mass spectrometry; nuclear magnetic resonance spectroscopy; water solubility
Abstract:
... Covalent, ionic, and ionic-covalent conjugates of trolox and α-tocopherol with 1-aminoadamantane were synthesized. Their structures were elucidated using mass spectrometry and IR, PMR, and ¹³C NMR spectroscopy. The water solubility of the ionic trolox conjugates with 1-aminoadamantane increased by 2–24 times as compared with that of trolox whereas that of the α-tocopherol succinate conjugates rema ...
DOI:
10.1007/s10600-017-2201-2

17. Isolation of Antimicrobial Peptides from Fritillaria pallidiflora

Author:
Y. Mijiti; P. Rozi; A. Waili; Y. H. Gao; V. V. Maksimov; Zh. F. Ziyavitdinov; A. Yili; Sh. I. Salikhov; H. A. Aisa
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1144-1147
ISSN:
0009-3130
Subject:
Candida albicans; Fritillaria pallidiflora; antimicrobial peptides; antimicrobial properties; electrophoresis; fungi; liquid chromatography; mass spectrometry; molecular weight; polypeptides; seed extracts; seeds
Abstract:
... Polypeptide fractions from seeds of Fritillaria pallidiflora Schrenk were isolated and purified. The peptide compositions and molecular masses were determined using SDS-PAAG electrophoresis and LC-MS analysis. The results showed that the most active fraction of biocidal peptides contained greater than 20 constituents with molecular masses in the range of 1050–4727.2 Da. The isolated peptide fracti ...
DOI:
10.1007/s10600-017-2219-5

18. A New Flavonoid Glycoside from Viburnum macrocephalum f. keteleeri

Author:
Xiao-Qing Xu; Xu-Hua Huang; Jia Chen; Jian-Hua Shao; Chun-Chao Zhao
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1035-1037
ISSN:
0009-3130
Subject:
Viburnum; chromatography; flavonoids; glycosides; spectral analysis
Abstract:
... A new flavonoid glycoside 1, along with seven known compounds (2–8), was isolated from Viburnum macrocephalum f. keteleeri by repeated column chromatography. Its structure was identified as apigenin-7-O-[6-O-(5-methoxy-3-hydroxy-3-methyl-5-oxovaleryl)]-β-D-glucopyranoside (1) by spectral analysis. ...
DOI:
10.1007/s10600-017-2196-8

19. A New Sydonic Acid Derivative From a Marine Derived-Fungus Aspergillus sydowii

Author:
Xiuli Xu; Shujiang Zhao; Liyuan Yin; Ying Yu; Zhengkun Chen; Huihui Shen; Li Zhou
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1056-1058
ISSN:
0009-3130
Subject:
Aspergillus; Candida albicans; Staphylococcus aureus; antibacterial properties; mass spectrometry; nuclear magnetic resonance spectroscopy; spectral analysis
Abstract:
... Methyl (3-hydroxy-4-(2-hydroxy-6-methylheptan-2-yl)benzoyl)glycinate (1), a new sydonic acid derivative with glycinate, together with sydonic acid (2), sydowic acid (3), and 7-deoxy-7,14-didehydrosydonic acid (4), were isolated from a marine-derived Aspergillus sydowii strain CUGB-F126. Their structures were elucidated by spectroscopic analysis, including high-resolution mass spectroscopy, and 1D ...
DOI:
10.1007/s10600-017-2200-3

20. A New Triterpenoid from Ixeris chinensis

Author:
Qing-hu Wang; Cui-lan Bai; Jing-jing Han; Bai-yinmu-qi-er Bao
Source:
Chemistry of natural compounds 2017 v.53 no.6 pp. 1080-1082
ISSN:
0009-3130
Subject:
Asteraceae; chemical structure; ethyl acetate; nuclear magnetic resonance spectroscopy; plant extracts; triterpenoids
Abstract:
... A new triterpenoid, namely 3β-(2-methoxy-5-formylphenoxy)-erythrodiol (1), was isolated from the EtOAc extract of Ixeris chinensis. The structures of 1 was elucidated by spectroscopic methods, including UV, IR, HR-ESI-MS, and extensive 1D and 2D NMR techniques. ...
DOI:
10.1007/s10600-017-2205-y