LACTAMS

作品数：25被引量：21H指数：2
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Enabling Access to 3-gem-Difluorovinyl Lactams via Zn-Mediated Sequential Single Electron Reductive Hydrodehalogenation
《Chinese Journal of Chemistry》2025年第3期255-260,共6页Jia Zheng Xuran Liu Jiawen Yin Shuaikang Li Juanjuan Zhang Weigao Hu 
the Guangdong Basic and Applied Basic Research Foundation(2023A1515012657,2024A1515012128);Scientific Research Project of General Universities in Guangdong Province(2022KTSCX046);Zhanjiang Ocean Young Talent Innovation Project(2023E0002,2022E05008);the Fifth-level Research Fund of Guangdong Medical University(4RS23002a,4SG24248G);the Third-level Research Fund of Guangdong Medical University(4RS23002d,4SG22247G);Songshan Lake Medical and Engineering Integration Innovation Project of Guangdong Medical University(4SG22308P)for support.
Herein,we describe a direct route for the synthesis of 3-gem-difluorovinyl lactams through Zn-mediated reductive hydrodehalogenation.Importantly,by using inexpensive deuterium oxide(D_(2)O),the high value-added vicina...
关键词：3-gem-Difluorovinyl lactams Dideuterium compounds Zn-mediated Single electron reduction HYDRODEHALOGENATION Radicals Lewis acidity Zinc cation 
Photochemical Radical Cascade 6-endo Cyclization of Dienes withα-Carbonyl Bromides for the Synthesis of Six-Membered Benzo-Fused Lactams
《Chinese Journal of Chemistry》2024年第19期2323-2328,共6页Jia-Li Sui Yang Guo Bi-Quan Xiong Ke-Wen Tang Peng-Fei Huang Yu Liu Jin-Heng Li 
supported by the National Natural Science Foundation of China(22078084 and 51874132);the Scientific Research Fund of Hunan Provincial Education Department(22B0674);the Science and Natural Science Foundation of Hunan Province(No.2023JJ30273 and 2023JJ40301).
Comprehensive Summary A novel visible-light-induced radical cascade 6-endo cyclization of dienes(N-(2-vinylphenyl)acryl amides)is developed utilizingα-carbonyl bromides as alkyl reagents.This approach affords an effi...
关键词：Visible-light-induced reaction CYCLIZATION Transition-metal-free Nitrogen heterocycles |α-Carbonyl bromides LACTAMS ALKYLATION Radicalreactions Reduction 
Alkyl Radical Initiated Cyclization/Cascade for Synthesizing Lactam-Substituted Alkyl Sulfones
《Chinese Journal of Chemistry》2024年第16期1853-1859,共7页Li-Jun Wu Kai-Yi Zhang Pei Yang Chuan-Chong Peng Jin-Hui Liu Qing Li Da-Zhi Sun Shuangfeng Yin 
the Scientific Research Fund of Hunan Provincial Education Department(21B0262 and 22B1094);the Natural Science Foundation of Hunan Province(2022JJ40857);the Hunan Provincial Innovation Foundation For Postgraduate(CX20230757)forfinancial support.
An alkyl radical initiated cyclization/tandem reaction of alkyl bromides and alkyl electrophiles by using potassium metabisulphite(K_(2)S_(2)O_(5))as a connector is developed for the synthesis of various lactam-substi...
关键词：Alkyl radical Metal-free catalyzed Cyclization/cascade Potassium metabisulphite Electrophiles Alkyl sulfones LACTAMS Alkyl bromides Sodium formate 
Carbene-Catalyzed Asymmetric Ring-Opening Reaction of Biaryl Lactams to Access Axially Chiral Biaryls
《Chinese Journal of Chemistry》2024年第15期1734-1740,共7页Guanjie Wang Guowei Yuan Chenlong Wei Ye Zhang Haibin Zhu Weiqi Yang Dongping Shi Xiaoxiang Zhang Zhenqian Fu 
the Natural Science Foundation of Jiangsu Province(BK20221309);the National Natural Science Foundation of China(21602105).
Axially chiral biaryls represent the most important class of atropisomers,and they widely exist in natural products and biologically active molecules.They also constitute a unique scaffold for chiral ligands and catal...
关键词：N-Heterocyclic carbene Axially chiral biaryls Organocatalysis Ring-opening reactions Dibenzo cyclic lactams Axially chiral amino acids Amide C-N bond activation ATROPISOMERISM Asymmetric catalysis LACTAMS 
Anion cascade reactions Ⅲ:Synthesis of 3-isoquinuclidone bridged polycyclic lactams
《Chinese Chemical Letters》2024年第2期426-430,共5页Zhiguo Zhang Bingbing Shi Xiyang Cao Nana Ma Hao Wu Xingjie Zhang Guisheng Zhang 
National Natural Science Foundation of China(NSFC,Nos.21772032,21877206,and 22101074);the 111 Project(No.D17007);Excellent Youth Foundation of Henan Scientific Committee(No.222300420012);China Postdoctoral Science Foundation(No.2019M660173);the Natural Science Foundation of Henan Province(No.202300410233);Henan Key Laboratory of Organic Functional Molecules and Drug Innovation for financial support。
Bridged polycyclic lactams are important structural units in organic functional materials,natural products,and pharmaceuticals.A flexible and efficient anion cascade reaction was developed for the preparation of bridg...
关键词：Anion cascade reactions 3-Isoquinuclidone Bridged polycyclic lactams Bis-Michael addition reaction Hemiaminalization 
Structural diversification of phenylspirodrimane lactams by employing a biosynthetic intermediate
《Chinese Chemical Letters》2023年第12期141-145,共5页Jimei Liu Zhenfei Wang Jun Wu Yaotian Han Fei Ye Tiantai Zhang Haibo Yu Zhengshun Wen Jungui Dai 
financially supported by National Natural Science Foundation of China(No.81803403);CAMS Innovation Fund for Medical Sciences(Nos.CIFMS-2022-I2M-JB-011 and CIFMS-2021-12M-1-029).
Phenylspirodrimanes are a kind of meroterpenoids with structural diversity and complexity,exhibiting a wide of biological properties,especially for the lactam derivatives consisting a y-lactam moiety and N-linked side...
关键词：Phenylspirodrimane lactams Stachbotrydial Nonenzymatic reaction hNav 1.2channels inhibitoryactivity Stachybotrys chartarum 
Nickel/Quinim Enabled Asymmetric Carbamoyl-Acylation of Unactivated Alkenes被引量：1
《Chinese Journal of Chemistry》2023年第14期1673-1678,共6页Xianqing Wu Haiyan Li Feng He Jingping Qu Yifeng Chen 
supported by NSFC/China(22171079);Natural Science Foundation of Shanghai(21ZR1480400);Shanghai Rising-Star Program(20QA1402300);Shanghai Municipal Science and Technology Major Project(Grant No.2018SHZDZX03);the Program of Introducing Talents of Discipline to Universities(B16017);the China Postdoctoral Science Foundation(2021M701197);the Fundamental Research Funds for the Central Universities.
Transition metal-catalyzed difunctionalization of tethered alkene has emerged as a prevailing tool for the expedient construction of synthetically valuable cyclic compounds.However,most efforts have been devoted to th...
关键词：NICKEL Quinim ligand LACTAMS Asymmetric catalysis ALKENES 
Sustainable Polyamides Enabled by Controlled Ring-opening Polymerization of 4-Hydroxyproline-derived Lactams
《Chinese Journal of Polymer Science》2023年第5期728-734,I0008,共8页Jian-Qun Wang Xian-Hong Wang You-Hua Tao 
financially supported by the National Natural Science Foundation of China(Nos.U21A2089 and 51873211)。
Aliphatic polyamides have been considered as eco-friendly materials,useful for a wide range of applications.However,it still presents obstacle to produce sustainable aliphatic polyamides from abundant renewable source...
关键词：Polyamides RENEWABLE Ring-opening polymerization 4-Hydroxyproline 
Carboxylic acid reductases enable intramolecular lactamization reactions被引量：2
《Green Synthesis and Catalysis》2022年第3期294-297,共4页Zongmin Qin Xiaohui Zhang Xianke Sang Wuyuan Zhang Ge Qu Zhoutong Sun 
supported by the National Key Research and Development Program of China(No.2019YFA0905100);the National Natural Science Foundation of China(No.31900909);the Natural Science Foundation Applying a system of Tianjin(No.21JCJQJC00110)and Tianjin Synthetic Biotechnology Innovation Capacity Improvement Project(No.TSBICIP-CXRC-009);Mr Qu also thanks financial support from Youth Innovation Promotion Association,CAS(No.2021175).
As a versatile type of enzyme,carboxylic acid reductases(CAR)can not only reduce various carboxylic acids to aldehydes in cooperation with cofactors ATP and NADPH but also catalyze the synthesis of amides and esters i...
关键词：BIOCATALYSIS LACTAMS Carboxylic acid reductase Intramolecular cyclization Lactamization 
A Dipolar Cyclization/Fragmentation Strategy for the Catalytic Asymmetric Synthesis of Chiral Eight-Membered Lactams
《CCS Chemistry》2022年第8期2620-2629,共10页Mao-Mao Zhang Peng Chen Wei Xiong Xin-Shang Hui Liang-Qiu Lu Wen-Jing Xiao 
from the National Natural Science Foundation of China(nos.21822103,21772052,21772053,21820102003,and 91956201);the Program of Introducing Talents of Discipline to Universities of China(111 Program,B17019);the Natural Science Foundation of Hubei Province(no.2017AHB047)。
Medium-sized nitrogen heterocycles,including eightmembered lactams,are important in synthetic and pharmaceutical chemistry because of their presence in a variety of natural products and drug molecules.Previous attempt...
关键词：asymmetric catalysis dipolar cyclization FRAGMENTATION eight-membered lactams 
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