Zobrazeno 1 - 10
of 19
pro vyhledávání: '"De-Feng Xu"'
Publikováno v:
Chemistry & Biodiversity. 19
Thirteen cinnamic acid derivatives (1-13), including six formerly unreported hybrids incorporating different short-chain fatty acid esters (1-6), have been obtained and structurally elucidated from an ethnological herb Tinospora sagittata. The struct
Publikováno v:
Phytochemistry. 210:113646
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Publikováno v:
Chemistrybiodiversity. 19(4)
Four new secoiridoid-iridoid heterodimers, pterocenoids E-H (1-4), together with a known analog (5), were separated from the whole plants of Pterocephalus hookeri. Their structures were characterized by detailed spectroscopic analyses and NMR compari
Publikováno v:
RSC Advances. 10:24795-24799
An efficient synthesis of a variety of 2,5-diaryloxazole derivatives via a rhodium-catalyzed annulation of triazoles and aldehydes is achieved. Various oxazole derivatives could be obtained in good to excellent yields. A concise synthesis of antimyco
Publikováno v:
Bioorganicmedicinal chemistry letters. 30(9)
A series of novel rutaecarpine derivatives were synthesized and subjected to pharmacological evaluation as PDE5 inhibitors. The structure–activity relationships were discussed and their binding conformation and simultaneous interaction mode were fu
Publikováno v:
Bioorganic Chemistry. 116:105400
Fifteen previously undescribed nor-clerodane diterpenoid glucosides tinosinesides C-Q (1-15), along with four known analogues (16-19), were isolated from the stems of Tinospora sinensis. The structures of the new compounds were elucidated by spectros
Publikováno v:
Fitoterapia. 153:104963
Six undescribed low-polarity compounds including three rare 14-methylergostane steroids (1-3), one euphane triterpenoid (4) and two octadecanoic acid ethyl esters (5 and 6), along with ten previously reported terpenyl cometabolites (7-16), were isola
Publikováno v:
Key Engineering Materials. 723:711-715
At present, the comprehensive utilization of crop straws exist the problem of the lower industrial utilization in Jilin Province, China. It’s well-known that the industrial conversion of crop straws are often used as the building wall materials and
Publikováno v:
Key Engineering Materials. 723:706-710
Combined with the research status of crop straws, and the comprehensive utilization of crop straws and the existing problems in Jilin Province, China. This paper proposes to crop straws to be used as the insulation materials of the precast concrete s