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Electro-reductive carboxylation of acyclic C(sp^(3))–C(sp^(3))bonds in aromatic hydrocarbons with CO_(2): 《Science China Chemistry》2024年第10期3366-3372,共7页Chuan-Kun Ran Quan Qu Yang-Yi Tao Yi-Fei Chen Li-Li Liao Jian-Heng Ye Da-Gang Yu; supported by the National Natural Science Foundation of China(22225106,22201027);the Fundamental Research Funds for the Central Universities。; Despite the recent advances in the selective functionalization of C–C bonds in specific substrates,cleavage and functionalization of C–C bonds in acyclic substrates,such as ethane derivatives,remains challenging.In ...; 关键词：carbon dioxide electrochemistry C(sp^(3))–C(sp^(3))bonds cleavage reductive carboxylation

Construction of Acyclic Quaternary Carbon Stereocenters via Enantioselective Nickel Catalysis: 《Chinese Journal of Chemistry》2024年第20期2485-2498,共14页Jian Song Xuening Li Jinguo Long Hua Yang Xianjie Fang; National Natural Science Foundation of China(Nos.22278265,U22B20137);Zhejiang Provincial Natural Science Foundation of China(No.LR24B020002);the start-up funding from Hangzhou Normal University(No.4095C50222204165);support.J.S.thanks the Natural Science Foundation of Hunan Province(2024JJ6485);support.J.L.thanks the National Natural Science Foundation of China(22302063);China Postdoctoral Science Foundation(2022M721086);the Natural Science Foundation of Hunan Province(2023JJ40124)for financial support.; The construction of acyclic quaternary carbon stereocenters,which are ubiquitous in many bioactive compounds,pharmaceuticals and natural products,has been a long persuit in synthetic organic chemistry.Among numerous m...; 关键词：Nickel catalysis ENANTIOSELECTIVITY ALKENES ACYCLIC Quaternary carbon stereocenters Asymmetric catalysis CROSS-COUPLING Chirality

Photoredox catalytic alkylarylation of alkynes with arylsulfonylacetate as bifunctional reagent: 《Science China Chemistry》2024年第6期2022-2028,共7页Chonglong He Min Wang Yulong Wang Lirong Zhao Youkang Zhou Keyuan Zhang Shenyu Shen Yaqiong Su Xin-Hua Duan Le Liu; supported by the National Natural Science Foundation of China(21901199);Xi’an Jiaotong University(7121192002)。; Difunctionalization of alkynes represents a powerful and straightforward approach to the synthesis of complex molecules.However,the radical difunctionalization of alkynes mediated by bifunctional reagents remains chal...; 关键词：bifunctional reagent photoredox catalysis Smiles rearrangement alkylarylation tetrasubstituted acyclic all-carbon olefins

The acyclic chromatic index of planar graphs without 4-,6-cycles and intersecting triangles: 《Frontiers of Mathematics in China》2024年第3期117-136,共20页Yuehua BU Qi JIA Hongguo ZHU; A proper edge k-coloring is a mappingΦ:E(G)-→{1,2,...,k}such that any two adjacent edges receive different colors.A proper edge k-coloringΦof G is called acyclic if there are no bichromatic cycles in G.The acyclic ...; 关键词：Acyclic edge coloring plane graph CYCLE

Cyclic-acyclic monomers metathesis polymerization to access photodegradable polydicyclopentadiene and polyethylene-like materials: 《Science China Chemistry》2024年第4期1311-1315,共5页Wu Li Daohong Liao Yougui Li Guifu Si Changle Chen; supported by the National Key R&D Program of China(2021YFA1501700);the National Natural Science Foundation of China(52025031,22261142664,22301294);China Postdoctoral Science Foundation(BX20230339,2023M743352);the CAS Project for Young Scientists in Basic Research(YSBR-094);Anhui Province Key Research and Development Plan Project(2022j11020004)。; The development of degradable and recyclable polymers is an attractive strategy to tackle the post-consumption pollution issue of commercial plastics.Cyclic-acyclic monomers metathesis polymerization(CAMMP)has been re...; 关键词：metathesis polymerization photodegradable POLYDICYCLOPENTADIENE polyethylene-like materials

Acyclic Edge Coloring of 1-planar Graphs without 4-cycles: 《Acta Mathematicae Applicatae Sinica》2024年第1期35-44,共10页Wei-fan Wang Yi-qiao Wang Wan-shun Yang; Research supported by the National Natural Science Foundation of China (No.12031018);Research supported by the National Natural Science Foundation of China (No.12071048);Research supported by the National Natural Science Foundation of China(No.12071351);Science and Technology Commission of Shanghai Municipality (No.18dz2271000);Doctoral Scientific Research Foundation of Weifang University (No.2021BS01);Natural Science Foundation of Shandong Province (No.ZR2022MA060)。; An acyclic edge coloring of a graph G is a proper edge coloring such that there are no bichromatic cycles in G.The acyclic chromatic index χ'α(G) of G is the smallest k such that G has an acyclic edge coloring using...; 关键词：1-planar graph acyclic edge coloring acyclic chromatic index

Development of Dual Phosphorescent Materials Based on Multiple Stimuli-Responsive Ir(Ⅲ)Acyclic Carbene Complexes: 《CCS Chemistry》2022年第7期2354-2368,共15页Jingqi Han Yuen-Kiu Chun Shing-Lun Chan Shun-Cheung Cheng Shek-Man Yiu Chi-Chiu Ko; supported by the General Research Fund(Project No.CityU 11306819)from the Research Grants Council of the Hong Kong SAR,China.; A new series of Ir(Ⅲ)carbene complexes with luminescent mechanochromism derived from trans-cis isomerization has been developed.Through the introduction of π-conjugating groups into the acyclic carbene ligand,the me...; 关键词：luminescent mechanochromism iridium(Ⅲ)cyclometallates luminescent vapochromism dual emission

Acyclic Choosability of Graphs with Bounded Degree: 《Acta Mathematica Sinica,English Series》2022年第3期560-570,共11页Juan WANG Lian Ying MIAO Jin Bo LI Yun Long LIU; Supported by National Natural Science Foundation of China(Grant Nos.11771443 and 11601510);Shandong Province Natural Science Foundation(Grant No.ZR2017QF011)。; An acyclic colouring of a graph G is a proper vertex colouring such that every cycle uses at least three colours. For a list assignment L = {L(v)| v∈V(G)}, if there exists an acyclic colouringρ such that ρ(v)∈L(v)...; 关键词：Acyclic choosability list colouring acyclic colouring maximum degree

Acyclic 6-choosability of Planar Graphs without 5-cycles and Adjacent 4-cycles: 《Acta Mathematica Sinica,English Series》2021年第6期992-1004,共13页Lin SUN; Supported by Guangdong Province Basic and Applied Basic Research Foundation and Joint Foundation Project(Grant No.2019A1515110324);Natural Science Foundation of Guangdong province(Grant No.2019A1515011031);University Characteristic Innovation Project of Guangdong province(Grant No.2019KTSCX092)。; A proper vertex coloring of a graph is acyclic if every cycle uses at least three colors.A graph G is acyclically k-choosable if for any list assignment L={L(v):v∈V(G)}with|L(v)|≥k for all v∈V(G),there exists a pro...; 关键词：Planar graph acyclic coloring acyclic choosability

Aphamines A-C,dimeric acyclic diterpene enantiomers from Aphanamixis polystachya: 《Chinese Chemical Letters》2021年第4期1480-1484,共5页Panpan Zhang Shang Xue Pengfei Tang Zhirong Cui Zefan Wang Jun Luo Lingyi Kong; Financial support for this study is from the National Natural Science Foundation of China (No.31470416);the Program for Changjiang Scholars and Innovative Research Team in University (No.IRT_15R63);the "Double First-Class" University Project,China (No.CPU2018GY08);the 111 Project from Ministry of Education ofChina and the State Administration of Foreign Export Affairs of China (No.B18056);the National New Drug Innovation Major Project (No.2018ZX09711-001-007)。; Aphamines A-C(1-3),three pairs of acyclic diterpene dimer enantiomers with an unprecedent ploymerization pattern,were discovered from Aphanamixis polystachya by NMR-guided isolation and chiral resolution.The elucidati...; 关键词：Aphanamixis polystachya Acyclic diterpene dimer NMR-guided isolation Chiral resolution Anti-inflammatory activity

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