the National Key Research and Development Program of China(Nos.2017YFD0200500,2017YFD0201400,2018YFD0200100)for the financial support。
Insect chitinase and N-acetyl-β-D-hexosaminidases(Hex)are potential targets for developing new pesticides.Here,a series of thiazolylhydrazonesⅠ(with substituted group R1 at N3)andⅡ(with substituted group R1 at N2)w...
Financial support from the National Natural Science Foundation of China(No.21202049);the Recruitment Program of Global Experts(1000 Talents Plan);the Natural Science Foundation of Fujian Province(No.2016J01064);Fujian Hundred Talents Plan and Program of Innovative Research Team of Huaqiao University(No.Z14X0047)are gratefully acknowledged
A Pd(Ⅱ)-catalyzed ortho-olefination of aromatic acetic esters is described which features with an excellent funcitional group tolerance, good yields, mild reaction conditions, good scalability as well as high chemo...
supported by the National Natural Science Foundation of China(No.20676041);by the China Postdoctoral Science Foundation(No.2004036506)
A new flavone glucoside,selagin-7-O-(6″-O-acetyl-)-β-D-glycoside,has been isolated from Cancrinia discoidea(Ledeb.) Poljak.Its structure was identified by spectroscopic methods,2D NMR and MS.Compounds exhibited ...
supported by the National Natural Science Foundation of China(Nos.20574043,20874057);the Key Natural Science Foundation of Shandong Province of China(No.Z2007B02)
A series of c arbosilane dendrimers with acetyl end-group were synthesized. Their structures were characterized by 1H NMR, IR, and MS, respectively. Then dendrimers were coordinated with lanthanide ions (Eu3+ and Tb...
Two new glycosides, nor-rubrofusadn-6-O-β-D-(6'-O-acetyl)glucopyranoside (1) and 1-desmethylaurantio-obtusin-2-O-β-D- glucopyranoside (2) were isolated from the seeds of Cassia obtusifolia and their structure...
Title compounds 2′,2′-dimethylcholesta-2,4-dien[3,2-b]-pyran-4′-one (3), 2′,2′-dimethyl-3β-substituted cholesta-4,6-dien[7,6- b]-pyran-4′-one (6a,b) and (6c) were prepared by the cyclization of 2-acetylch...
supported by the Natural Science Foundation of Jiangsu Science and Technology Department(No.BK2001219)
Two new flavonoid glycosides were isolated from the flowering heads of Chrysanthemum morifolium. Their structures were determined to be luteolin 4'-methoxy-7- O-(6"-O-acetyl)-β-D-glucopyranoside (1) and acaceti...
Two new acetyl cimicifugosides were isolated from the rhizomes of Cimicifuga racemosa. Their structures were elucidated as 2'-O-acetyl cimicifugoside H-1 1 and 3'-O-acetyl cimicifugoside H-1 2 by the spectroscopic e...
supported by NNSFC(No.20432010);Tianjin Natural Science Foundation(No.033803411).
The synthesis of novel 1-arylsulfonyl -4- (1'-N -2', 3', 4', 6'-tetra-O-acetyl-β-D-gluco- pyranosyl) thiosemicarbazides via condensation of 2, 3, 4, 6-tetra-O-acetyl-β-D-glucopyranosyl isothiocyanate with sub...
Two N-dichloroacetyl oxazolidines were synthesized with a simple, mild and convenient method. All the compounds were characterized by IR, HNMR and elemental analysis. The 1 preliminary biological test showed that the ...