Palladium-catalyzed stereoselective (3+2) cycloaddition of vinylethylene carbonates with cyclic N-sulfonyl ketimines
文献类型： 外文期刊
作者： Gao, Xing 1 ; Zhu, Dongyu 1 ; Jiang, Feng 1 ; Liao, Jianning 1 ; Wang, Wei 3 ; Wu, Yongjun 3 ; Zheng, Lufei 4 ; Guo, Hong 1 ;
作者机构： 1.China Agr Univ, Dept Chem, Beijing 100193, Peoples R China
2.China Agr Univ, Innovat Ctr Pesticide Res, Beijing 100193, Peoples R China
3.Zhengzhou Univ, Coll Publ Hlth, Zhengzhou 450001, Peoples R China
4.Chinese Acad Agr Sci, Inst Qual Stand & Testing Technol Agroprod, Beijing 100081, Peoples R China
5.China Agr Univ, Dept Nutr & Hlth, Beijing 100193, Peoples R China
期刊名称：ORGANIC & BIOMOLECULAR CHEMISTRY （ 影响因子：3.412； 五年影响因子：3.134 ）
ISSN： 1477-0520
年卷期：
页码：
收录情况： SCI
摘要： A diastereoselective (3 + 2) cycloaddition of N-sulfonyl ketimines with vinylethylene carbonates (VECs) in the presence of Pd(2)dba(3)center dot CHCl3 and PPh3 has been developed. The reaction of various substituted VECs and diverse cyclic N-sulfonyl ketimines proceeded smoothly under mild conditions, giving highly functionalized oxazolidine frameworks in good to excellent yields with moderate to good diastereoselectivities. With the use of spiroketal-based diphosphine SKP as a chiral ligand, an asymmetric version of the current (3 + 2) cycloaddition was achieved, and chiral products were obtained in >99% ee in most cases.
- 相关文献
作者其他论文 更多>>
-
Detection and characterization of bovine hepacivirus in cattle and sheep from Hulunbuir, northeastern China
作者：Ma, Jingge;Liu, Ziyan;Liu, Ning;Wang, Zedong;Ma, Jingge;Wei, Feng;Wei, Zhiwei;Zheng, Xiangyu;Li, Liang;Liu, Ziyan;Wang, Wei
关键词：bovine hepacivirus (BovHepV); sheep; cattle; phylogenetic evolution; China
-
Quantitative tracing of typical herbicides and their metabolites in sorghum agrosystems for fate tendency and cumulative risk
作者：Li, Tong;Zhao, Lilin;Chen, Zenglong;Li, Tong;Cheng, Youpu;Wu, Xujin;Zheng, Lufei
关键词：UHPLC-MS/MS; Herbicides; Metabolites; Combined exposure; Risk assessment
-
Effects of maternal Escherichia coli lipopolysaccharide exposure on offspring: insights from lncRNA analysis in laying hens
作者：Yan, Zhixun;Liu, Huagui;Chu, Qin;Liu, Lei;Liu, Lei;Yu, Ying;Wang, Wei;Adetula, Adeyinka Abiola
关键词：LPS maternal stimulation; Chicken; Offspring; Egg-laying rate; lncRNA
-
Visible light photocatalytic degradation of pesticides and antibiotics by H3PO4-activated biochar combined with g-C3N4: Effects, mechanism, degradation pathway, and toxicity assessment
作者：Shi, Haojie;Wang, Wei;Mao, Liangang;Zhang, Lan;Zhu, Lizhen;Wu, Chi;Liu, Xingang
关键词：Biochar; Pesticide; Antibiotic; Photodegradation
-
Identification of Dufulin photolysis and hydrolysis products in water using a 13 C stable isotope assisted HPLC-HRMS strategy
作者：Yu, Bochi;Man, Yanli;Wang, Pingping;Xie, Jun;Wang, Wei;Zhang, Lan;Mao, Liangang;Zhu, Lizhen;Wu, Chi;Liu, Xingang;Sigmund, Gabriel
关键词：Dufulin; Stable isotope; Photolysis; Hydrolysis; Transformation products; ECOSAR
-
The Response of the miRNA Profiles of the Thyroid Gland to the Artificial Photoperiod in Ovariectomized and Estradiol-Treated Ewes
作者：Ren, Zizhen;Wang, Wei;He, Xiaoyun;Chu, Mingxing
关键词：sheep; thyroid gland; photoperiod; miRNA
-
Disruption of hindgut microbiome homeostasis promotes postpartum energy metabolism disorders in dairy ruminants by inhibiting acetate-mediated hepatic AMPK-PPARA axis
作者：Wang, Shuo;Kong, Fanlin;Zhang, Xinyue;Dai, Dongwen;Li, Chen;Cao, Zhijun;Wang, Yajing;Wang, Wei;Li, Shengli;Kong, Fanlin
关键词：Energy metabolism disorders; Transition period; Microbiome; Cohort study; Multi-omics analysis; Microbial-host interaction; Cow; Ketosis
