Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Narenchaoketu Han"'
Publikováno v:
The Journal of Organic Chemistry. 87:8142-8150
The rhodium(III)-catalyzed C-H activation followed by intramolecular annulation reactions between arylhydrazines and iodonium ylides under suitable conditions has been described. Tetrahydrocarbazol-4-ones are readily achieved with moderate to excelle
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaacc1dcb1a0a168167ecfb5c2c22291
https://doi.org/10.1021/acs.joc.2c00852
https://doi.org/10.1021/acs.joc.2c00852
Autor:
Wenfeng Hai, Wenming Wu, Tatsuro Goda, Sihua Pu, Narenchaoketu Han, Xia Wang, Limei Duan, Jinghai Liu, Liming Bao
Publikováno v:
Langmuir : the ACS journal of surfaces and colloids. 36(2)
Conducting polymers tethered with molecular recognition elements are good candidates for biosensing applications such as detecting a target molecule with selectivity. We develop a new monomer, namely, 3,4-ethylenedioxythiophene bearing a pyridylboron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3ca5da710604048416461d2ef75b092d
https://pubmed.ncbi.nlm.nih.gov/31849232
https://pubmed.ncbi.nlm.nih.gov/31849232
Publikováno v:
Zeitschrift für Naturforschung B. 70:379-384
The phytochemical study of the EtOAc extract from Panzeria alaschanica resulted in the isolation of two new acylated flavone glycosides, 5,7,4′-trihydroxyflavone-7-O-(6″-O-[E]-coumaroyl)-β-glucopyranoside (1) and 5,7,4′-trihydroxyflavone-7-O-(
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0be997040fcba327043de7a06940e5f8
https://doi.org/10.1515/znb-2014-0253
https://doi.org/10.1515/znb-2014-0253
Publikováno v:
Journal of Molecular Structure. 1088:34-37
Two new flavonoids, named as sacriflavone A (1) and sacriflavone B (2), were isolated from the CHCl3 extract of Artemisa sacrorum Ledeb (A. sacrorum). The structures of the isolated compounds have been elucidated unambiguously by UV, MS, and a series
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e2d88bc131d692c29cb811184029ef86
https://doi.org/10.1016/j.molstruc.2015.01.045
https://doi.org/10.1016/j.molstruc.2015.01.045
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 146:1771-1775
A new flavonoid and two known flavonoids were isolated from the EtOAc extract of the leaves of Astragalus membranaceus (Fisch) Bge. var. mongholicus (Bge) Hsiao (A. membranaceus). This is the first report on the structure elucidation of the new compo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c2c2c6fac3bd181f16de6a2cf325a6e
https://doi.org/10.1007/s00706-015-1473-0
https://doi.org/10.1007/s00706-015-1473-0
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 146:1025-1030
Two new flavone C-glycosides, named as panzeroside A and B were isolated from the n-BuOH crude extract of the aerial parts of Panzeria alaschanica Kuprian. Their structures were elucidated by spectroscopic methods, including UV, IR, ESI–MS, 1D NMR,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4580cd2976a69eae5f402df09c7d86cd
https://doi.org/10.1007/s00706-015-1414-y
https://doi.org/10.1007/s00706-015-1414-y
Publikováno v:
Journal of Molecular Structure. 1076:535-538
Two isoflavane glycoside had been isolated from the EtOAc-soluble fraction of the roots of Astragalus membranaceus (Fisch) Bge. var. mongholicus (Bge) Hsiao. This is the first report on the structure elucidation of 2′,5′-dicarbonyl-3′,4′-dime
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85487bdcb47dda54cde529a8f5a3ed79
https://doi.org/10.1016/j.molstruc.2014.08.025
https://doi.org/10.1016/j.molstruc.2014.08.025
Autor:
Nayintai Dai, Narenchaoketu Han, Rongjun Wu, Jiesi Wu, Wenquan Tai, Xiaolan Wu, Wu-Li-Ji Ao, Qinghu Wang
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 146:383-387
Flavonoid and biflavonoid glycosides have been isolated from the n-BuOH extract of Artemisia frigida Willd. This is the first report on the structure elucidation of two new compounds based on spectroscopic methods including ultraviolet (UV), infrared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::350fe320362e435fe13c502002520867
https://doi.org/10.1007/s00706-014-1322-6
https://doi.org/10.1007/s00706-014-1322-6
Autor:
Jiesi Wu, Rongjun Wu, Xiao-Lan Wu, Wenquan Tai, Na-Yin-Tai Dai, Narenchaoketu Han, Qinghu Wang
Publikováno v:
Zeitschrift für Naturforschung B. 69:1021-1025
An investigation of the petroleum ether extract from Ixeris chinensis Nakai has led to the isolation of a new compound, 3-O-acetyl-22,28-cyclobauer-7-en-3β-ol (1), together with four known compounds which have been isolated from this plant for the f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f99bc687ce943fecc12096437a55ea86
https://doi.org/10.5560/znb.2014-4114
https://doi.org/10.5560/znb.2014-4114
Publikováno v:
Journal of Molecular Structure. 1074:284-288
Phytochemical study of the ethanol extract of Astragalus membranaceus (Fisch) Bge. var. mongholicus (Bge) Hsiao resulted to the isolation of two new compounds, 1-hydroxy-5-methylolbenzol-2- O -β- d -glucoside ( 1 ) and (3R, 4R)-4,7-hydroxy-2′,3′
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::92e278abd4c9e993f807831e52f61a02
https://doi.org/10.1016/j.molstruc.2014.06.020
https://doi.org/10.1016/j.molstruc.2014.06.020