This research is supported by the Agricultural Research Service of the US Department of Agriculture,an Interagency Agreement with the Office of Dietary Supplements at the National Institutes of Health.
Glucosinolates are a group of important sulfur and nitrogen containing plant secondary metabolites found in Brassicaceous vegetables that are associated with many health benefits.There is a growing interest in assessi...
Eight new compounds containing in their structures substituted quinoline and pyrazole entity were synthesized in good to excellent yield by cyclocondensation reaction of chalcones and hydrazine hydrate. This reaction ...
the financial support of the National Natural Science Foundation of China (Nos. 21262002, 21462001 and 21465002);the Program for Changjiang Scholars and Innovative Research Team in University (IRT13054);the Natural Science Foundation of Jiangxi No. 20142BAB203008);the Science and Technology Foundation of the Jiangxi Education Department (Nos. KJLD12006, GJJ14466 and KJLD14050)
We discovered that a-chymotrypsin has a promiscuous ability to catalyze the cyclocondensation of aromatic and aliphatic aldehydes with 2-aminobenzamides to afford the corresponding 2,3-dihydroquinazolin-4(1H)-ones s...
the National Natural Science Foundation of China(Nos.21162026,21262034 and 21362036);Doctoral Fund of Xinjiang University(No.BS110111)for financial support,Xinjiang University Analytical&Testing Center for instrumental analyses,and Adamas-beta Chemical Co.,for all chemical reagents
Mesoporous MCM-41 supported Schiff base and Cu SO4· 5H2 O shows high catalytic activity in the cyclocondensation of mercaptoacetic acid with imines(or aldehydes and amines) to afford pharmaceutically important thia...
A convenient synthesis of 6-amino-2H,4H-pyrano[2,3-F]pyrazole-5-carbonitriles has been accomplished by one pot four-component cyclocondensation of aromatic aldehydes(1a-o) malanonitrile(2), ethyl acetoacetate(3)...
Financial support from National Natural Science Foundation of China(No.21272237);the Ministry of Science and Technology of China(No.2011CB808600);the Chinese Academy of Sciences is gratefully acknowledged.
Although the NHC-catalyzed cyclization reactions have been well established for the synthesis of various heterocycles,the corresponding all carbon cyclization reaction for the synthesis of carbocycles is far less esta...
A simple method for the cyclocondensation of substituted isoflavones with cyanoacetamide in the presence of sodium hydroxide to give an array of 3-cyano-5,6-diarylpyridin-2(1H)-ones in good yields is reported.
A convenient solvent less cyclocondensation from thiosemicarbazone of benzofuranone and chloroacetic acid using an ionic liquid, N-methylpyridinium tosylate for obtaining novel 4-thiazolidinones in excellent yields is...
Microwave irradiation was used to accelerate the cyclocondensation of i soflavones and 5-amino-1H-imidazole- 4-carboxamide in the presence of sodium hydroxide to produce 3,4-diphenyl-imidazo[ 1,5-a]pyrimidines in good...