{"title":"New Calycosin Glycosides from Astragalus mongholicus","authors":"D. N. Olennikov","doi":"10.1007/s10600-024-04453-w","DOIUrl":"10.1007/s10600-024-04453-w","url":null,"abstract":"<p>Two new isoflavone glycosides <b>1</b> and <b>2</b> were isolated from roots of <i>Astragalus mongholicus</i> Bunge (<i>A. membranaceus</i> Fisch. ex Bunge, Fabaceae). The compounds were calycosin 7-<i>O</i>-(2′′-<i>O</i>-<i>β</i>-Dglucopyranosyl)-<i>β</i>-D-glucopyranoside (astramonghoside A, <b>1</b>) and calycosin 7-<i>O</i>-(2′′-<i>O</i>-<i>β</i>-D-glucopyranosyl-6′′-<i>O</i>-malonyl)-<i>β</i>-D-glucopyranoside (astramonghoside B, <b>2</b>) according to UV and NMR spectroscopy and mass spectrometry. Compounds <b>1</b> and <b>2</b> inhibited fungal tyrosinase.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142268995","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A New Phenanthraquinone from Dendrobium lindleyi","authors":"Ma-Long Qin, Xian-Guang Hu, Jing Cai, Xin Wang, Ruo-Ping Xu, Yong-Sheng Tao, Yu-Peng Li","doi":"10.1007/s10600-024-04451-y","DOIUrl":"10.1007/s10600-024-04451-y","url":null,"abstract":"<p>A new phenanthraquinone, 7,9-dihydroxy-2-methoxy-1,4-phenanthraquinone (<b>1</b>), and nine known compounds were isolated and identified from the whole plants of <i>Dendrobium lindleyi</i>. The structure of the new compound was determined on the basis of NMR (1D and 2D) and mass spectroscopic analysis. The new compound exhibited potent antimicrobial activity against <i>Bacillus subtilis</i> and <i>Escherichia coli</i>, and its activity was comparable with that of the well-known antibacterial drug berberine.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142254990","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"New Coumarins from the Family Apiaceae. II. cis-khellactone Glycosides from Phlojodicarpus sibiricus","authors":"D. N. Olennikov, N. K. Chirikova","doi":"10.1007/s10600-024-04452-x","DOIUrl":"10.1007/s10600-024-04452-x","url":null,"abstract":"<p>Four new <i>cis</i>-khellactone glycosides, which were identified as (3′<i>S</i>,4′<i>S</i>)-<i>cis</i>-khellactone 3′-<i>O</i>-<i>β</i>-Dgalactopyranoside (phlojosibiriside IV, <b>1</b>), (3′<i>S</i>,4′<i>S</i>)-<i>cis</i>-khellactone 4′-<i>O</i>-<i>β</i>-D-glucopyranoside (phlojosibiriside V, <b>2</b>), (3′<i>S</i>,4′<i>S</i>)-4′-<i>O</i>-acetyl-<i>cis</i>-khellactone 3′-<i>O</i>-<i>β</i>-D-glucopyranoside (phlojosibiriside VI, <b>3</b>), and (3′<i>S</i>,4′<i>S</i>)-4′-<i>O</i>-isovaleroyl-<i>cis</i>-khellactone 3′-<i>O</i>-<i>β</i>-D-glucopyranoside (phlojosibiriside VII, <b>4</b>) using UV, CD, and NMR spectroscopy and mass spectrometry, were observed in the subterranean organs of <i>Phlojodicarpus sibiricus</i> (Fisch.) Koso-Pol. (Apiaceae).</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142254989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
S. J. Wang, C. L. Kao, W. J. Li, H. C. Yeh, H. T. Li, C. Y. Chen
{"title":"A New Sesquiterpenoid of Curcuma longa","authors":"S. J. Wang, C. L. Kao, W. J. Li, H. C. Yeh, H. T. Li, C. Y. Chen","doi":"10.1007/s10600-024-04404-5","DOIUrl":"10.1007/s10600-024-04404-5","url":null,"abstract":"<p>A new sesquiterpenoid, <i>ar</i>-tumerdiol (<b>1</b>) as well as <i>ar</i>-tumerone (<b>2</b>), <i>α</i>-tumerone (<b>3</b>), <i>β</i>-tumerone (<b>4</b>), 4-(1′ ,5′ -dimethyl-3′-oxo-4′-hexenyl)-2-cyclohexen-1-one (<b>5</b>), turmeronol (<b>6</b>), curcumin (<b>7</b>), and hexahydrocurcumin (<b>8</b>), were isolated from the rhizomes of <i>Curcuma longa</i> (Zingiberaceae). The structure of the new sesquiterpenoid was elucidated by chemical and physical evidence.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142211141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V. A. Kurkin, N. S. Sokolov, S. Kh. Sharipova, T. K. Ryazanova, A. V. Zhdanova, L. M. Khalilov
{"title":"Phenolic Compounds from the Aerial Part of Filipendula ulmaria","authors":"V. A. Kurkin, N. S. Sokolov, S. Kh. Sharipova, T. K. Ryazanova, A. V. Zhdanova, L. M. Khalilov","doi":"10.1007/s10600-024-04403-6","DOIUrl":"10.1007/s10600-024-04403-6","url":null,"abstract":"<p>The new natural compound salicyl alcohol 7-<i>O</i>-<i>β</i>-D-(6′-<i>O</i>-benzoyl)glucopyranoside, which we called isopopulin, and the known compounds gaulterin, gallic acid, quercetin, spireoside, and astragalin were isolated from the aerial part of <i>Filipendula ulmaria</i> (L.) Maxim. The chemical structures of the isolated phenolic compounds were studied using UV, <sup>1</sup>H and <sup>13</sup>C NMR spectroscopy; mass spectrometry; and chemical transformations.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142227893","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Le Thi Huong, Do Ngoc Dai, Ty Viet Pham, Nguyen Thi An Giang, Nguyen Thanh Hao, Dong Huy Gioi, Nguyen Ngoc Linh, Ninh The Son
{"title":"Chemical Compositions of Essential Oils from the Leaves of Camellia pukhangensis and C. quephongensis","authors":"Le Thi Huong, Do Ngoc Dai, Ty Viet Pham, Nguyen Thi An Giang, Nguyen Thanh Hao, Dong Huy Gioi, Nguyen Ngoc Linh, Ninh The Son","doi":"10.1007/s10600-024-04439-8","DOIUrl":"10.1007/s10600-024-04439-8","url":null,"abstract":"","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Essential Oil Composition and Antimicrobial Activity of the Aerial Part of Inula obtusifolia Growing in the Kashmir Himalayas","authors":"Saroj Kumar Pradhan, Vivek Sharma","doi":"10.1007/s10600-024-04441-0","DOIUrl":"10.1007/s10600-024-04441-0","url":null,"abstract":"","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142409133","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sh. N. Zhurakulov, E. A. Bainazarov, V. I. Vinogradova, M. A. Eshonov, K. K. Turgunov, B. Tashkhodzhaev, Zh. K. Namazbaeva
{"title":"Oxidation of Quinoline Alkaloids Bucharaine, Foliosidine, Evoxine, and Dubinidine by Periodic Acid","authors":"Sh. N. Zhurakulov, E. A. Bainazarov, V. I. Vinogradova, M. A. Eshonov, K. K. Turgunov, B. Tashkhodzhaev, Zh. K. Namazbaeva","doi":"10.1007/s10600-024-04410-7","DOIUrl":"10.1007/s10600-024-04410-7","url":null,"abstract":"<p>The effect of periodic acid on oxidation of the quinoline alkaloids bucharaine, foliosidine, evoxine, and dubinidine was studied as a function of their structures and the reaction conditions. Periodic acid in dilute aqueous solutions was shown to form stable gem-diols. The use of a large excess of HIO<sub>4</sub> formed gem-diols and aldehydes. O-Methyl derivatives were obtained in aqueous MeOH solutions.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141933487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
M. E. Mironov, A. I. Poltanovich, V. I. Krasnov, T. V. Rybalova, S. A. Borisov, T. G. Tolstikova, E. E. Shults
{"title":"Synthetic Transformations of Higher Terpenoids. 45#. Regioselective Synthesis of 5-Labdanoid-Substituted Pyrazoles and Assessment of Their Analgesic Activity","authors":"M. E. Mironov, A. I. Poltanovich, V. I. Krasnov, T. V. Rybalova, S. A. Borisov, T. G. Tolstikova, E. E. Shults","doi":"10.1007/s10600-024-04408-1","DOIUrl":"10.1007/s10600-024-04408-1","url":null,"abstract":"<p>A method for targeted structural modification of the methyl ester of phlomisoic acid was developed by introduction of an additional C-16 ketopyrazole moiety via cyclocondensation of diterpenoid alkyne-1,2- diones with arylhydrazines. The conditions for regioselective formation of labdanoid 1,3-diarylpyrazol-5- ylmethanones were found. The possibility of a sequential four-component reaction in a single pot was demonstrated. Significant analgesic activity of labdanoid-substituted diarylpyrazoles in thermal and chemical irritation models was established.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141933491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Triterpenoids from Glochidion eriocarpum","authors":"Jin-Ni Tan, Chun-Hua Lai, Wei Wei, Qin-Gang Tan","doi":"10.1007/s10600-024-04405-4","DOIUrl":"10.1007/s10600-024-04405-4","url":null,"abstract":"<p>Six lupane triterpenoids (<b>1</b>–<b>6</b>), including an undescribed one, 3,23-di-<i>O</i>-isopropylidene-lup-20(29)-ene (<b>1</b>), along with two oleane triterpenoids (<b>7</b>, <b>8</b>), were isolated from the Zhuang ethnic medicinal plant Glochidion eriocarpum. Their structures were identified based on comprehensive NMR, MS, and physiochemical data analysis. Compounds <b>2</b>, <b>7</b>, and <b>8</b> significantly inhibited the production of nitride oxide (NO) of the LPS-induced RAW 264.7 cells, which may be attributed to the anti-inflammatory activity of this plant.</p>","PeriodicalId":514,"journal":{"name":"Chemistry of Natural Compounds","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2024-08-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141933493","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}