Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Dong-Ping Cheng"'
Publikováno v:
Molecules, Vol 19, Iss 2, Pp 2042-2048 (2014)
A new coumarin, edgeworic acid (1), was isolated from the flower buds of Edgeworthia chrysantha, together with the five known coumarins umbelliferone (2), 5,7-dimethoxycoumarin (3), daphnoretin (4), edgeworoside C (5), and edgeworoside A (6). Their s
Externí odkaz:
https://doaj.org/article/8f83f8c52e7e43e993f6c85710cbfefc
Autor:
Ting-Ting Peng, Xuan-Rong Sun, Ren-Hao Liu, Lu-Xia Hua, Dong-Ping Cheng, Bin Mao, Xing-Nuo Li
Publikováno v:
Molecules, Vol 23, Iss 12, p 3059 (2018)
Cytisine-pterocarpan derived compounds were biomimetically synthesized with (-)-cytisine and (-)-maackiain via a N,N-4-dimethyl-4-aminopyridine (DMAP)-mediated synthetic strategy in a mild manner. In the present study, tonkinensine B (4) was elaborat
Externí odkaz:
https://doaj.org/article/5a67947db01549aa8173f851c22005e4
Publikováno v:
Natural Product Research. 26:1782-1786
The phytochemical investigation of extracts from the radix of Angelica sinensis yielded a new phthalide dimer, 3,3'Z-6.7',7.6'-diligustilide, along with a known dimer, levistolide A. Their structures were established on the basis of spectral data, pa
Publikováno v:
Synthetic Communications. 42:2007-2013
A highly efficient oxidative dimerization of thioamides by 2,3-dichloro-5,6-dicyanobenzoquinone (DDQ) is reported. The reaction is carried out in ClCH2CH2Cl at room temperature. The corresponding 3,5-disubstituted 1,2,4-thiadiazoles are obtained in g
Publikováno v:
Asian Journal of Chemistry. 26:455-457
Publikováno v:
Natural Product Research. 27:750-752
The phytochemical investigation of extracts from the root barks of Lycium chinense yielded a new furolactone-type lignan, lyciumin (1). Its structure and absolute configurations were established on the basis of spectral data, particularly by the use
Publikováno v:
Synthetic Communications. 33:2671-2676
The combined reagent of iodobenzene diacetate (or polymer-supported iodobenzene diacetate) with iodine was used as an effective iodinating agent of pyrazoles to the corresponding 4-iodopyrazole derivatives at room temperature with high yields.
Autor:
Dong-Ping Cheng, Zhen‐Chu Chen
Publikováno v:
Synthetic Communications. 32:793-798
Iodobenzene diacetate was used as an effective oxidizing agent for the oxidation of 1,4-dihydropyridines to the corresponding pyridine derivatives at room temperature with high yields.
Autor:
Zhen‐Chu Chen, Dong-Ping Cheng
Publikováno v:
Synthetic Communications. 32:2155-2159
A facile synthesis of 3,5-disubstituted 1,2,4-thiadiazoles by oxidative dimerization of thioamides using polymer-supported iodobenzene diacetate has been reported.
Publikováno v:
Synthetic Communications. 31:3847-3850
Polymer-supported phenyliodine bis(trifluoroacetate) was prepared and used in the regeneration of carbonyl function from carbonyl derivatives.