Výsledky vyhľadávania - "ALLENE"

Metallaphotoredox Reactions of Propargyl Alcohol Derivatives: New Perspectives on Allene Synthesis.

Autori: Beluze, Camille Hu, Tingjun Bouyssi, Didier a ďalší

Zdroj: Synthesis. Oct2025, Vol. 57 Issue 20, p2935-2945. 11p.

Predmety: *ALLENE synthesis, *PROPARGYL alcohol, *PHOTOCATALYSTS, *TRANSITION metal catalysts, *SCISSION (Chemistry), *OXIDATIVE addition

Ligand‐Enabled Chemo‐ and Regioselective Ir(I)‐Catalyzed Intermolecular Hydrocarbonation of Allenes: Access to Branched Products with All‐Carbon Quaternary Centers.

Autori: Rey, Alejandro Arribas, Andrés Mascareñas, José L. a ďalší

Zdroj: Angewandte Chemie. 9/26/2025, Vol. 137 Issue 40, p1-8. 8p.

Predmety: *IRIDIUM catalysts, *ALLENE, *CATALYTIC activity, *STEREOSELECTIVE reactions, *QUATERNARY structure, *CHEMICAL products manufacturing, *DENSITY functional theory

Radical C─H‐Aroylation of Allenes via Cooperative Photoredox and N‐Heterocyclic Carbene Catalysis.

Autori: Banjare, Shyam Kumar Lezius, Lena Studer, Armido

Zdroj: Angewandte Chemie International Edition. 9/8/2025, Vol. 64 Issue 37, p1-7. 7p.

Predmety: *ALLENE, *PHOTOCATALYSIS, *ACYLATION, *REACTION mechanisms (Chemistry), *COUPLING reactions (Chemistry), *CARBENES, *RADICAL cations, *CHEMICAL synthesis

Electrochemical Allene C─H Functionalization via Carbanion Sampling.

Autori: Feng, Jiayi Xia, Yuhang Shen, Mingyu a ďalší

Zdroj: Angewandte Chemie. 8/4/2025, Vol. 137 Issue 32, p1-10. 10p.

Predmety: *ALLENE, *CARBANIONS, *ELECTRODE reactions, *DENSITY functional theory, *CHROMIUM catalysts, *ELECTROCHEMICAL analysis

Silylchromium‐Catalyzed Selective Semihydrogenation of Undirected Allenes by Sila‐Metalation and β‐Silyl Elimination.

Autori: Luo, Zheng Long, Linhong Zhao, Shuaiyong a ďalší

Zdroj: Angewandte Chemie. 7/7/2025, Vol. 137 Issue 28, p1-11. 11p.

Predmety: *ALLENE, *HYDROGENATION, *ORGANOMETALLIC compounds, *ALKENES, *CATALYSIS, *METALATION, *LIGANDS (Chemistry)

Iridium‐Catalyzed Asymmetric Allenylic Substitution via Kinetic Resolution Enabled by New Monodentate Ligands.

Autori: Tu, Youshao Lin, Xiangfeng Lin, Jie a ďalší

Zdroj: Angewandte Chemie International Edition. 6/2/2025, Vol. 64 Issue 23, p1-9. 9p.

Predmety: *LIGANDS (Chemistry), *ALLENE, *CHIRALITY, *IRIDIUM, *CARBOCATIONS

Synthesis of Oxadendralenes by Thermal Oxy‐Cope Type Rearrangement of Bis(α‐Hydroxyallenes).

Autori: San Martín, Daniel Martínez del Campo, Teresa Almendros, Pedro

Zdroj: Advanced Synthesis & Catalysis. 5/6/2025, Vol. 367 Issue 9, p1-4. 4p.

Predmety: *ALLENE, *DIOLEFINS, *MOIETIES (Chemistry)

Radical functionalization of allenes.

Autori: Yi, Rongnan Li, Qiang Xie, Long-Yong a ďalší

Zdroj: Chemical Communications. 5/2/2025, Vol. 61 Issue 35, p6426-6438. 13p.

Predmety: *ALLENE, *CHEMICAL synthesis, *APPLIED sciences, *FUNCTIONAL groups, *NATURAL products, *REACTIVITY (Chemistry)

Recent Natural Product Total Syntheses Involving Cycloadditions of Allenes.

Autori: Gu, Chen‐Chen Long, Xiong‐En Chen, Xiuping a ďalší

Zdroj: Chinese Journal of Chemistry. May2025, Vol. 43 Issue 9, p1059-1077. 19p.

Predmety: *ALLENE, *ORGANIC synthesis, *CHIRALITY, *RING formation (Chemistry), *CARBON-carbon bonds, *STEREOCHEMISTRY, *NATURAL products, *REACTIVITY (Chemistry)

Metallaphotoredox Enabled Single Carbon Atom Insertion into Alkenes for Allene Synthesis.

Autori: Liu, Gang Shi, Zhaoxin Guo, Chuning a ďalší

Zdroj: Angewandte Chemie International Edition. 2/3/2025, Vol. 64 Issue 6, p1-9. 9p.

Predmety: *ORGANIC chemistry, *ALLENE synthesis, *DENSITY functional theory, *ALKENES, *ALLENE

Co(III)‐Catalyzed Regioselective C−H Dienylation of Indolines and Indoles with Allenyl Carbinol Acetates.

Autori: Shukla, Rahul K. Singh, Anurag Shetty, Rakesh a ďalší

Zdroj: Advanced Synthesis & Catalysis. 3/4/2025, Vol. 367 Issue 5, p1-6. 6p.

Predmety: *INDOLE compounds, *ALLENE, *DIOLEFINS, *METHANOL, *COBALT

Ni‐Catalyzed Synthesis of Multisubstituted Allenes via Reductive Cross‐Coupling of Propargylic Acetates with Chlorohydrosilanes.

Autori: Yan, Xiaohui Deng, Hong

Zdroj: European Journal of Organic Chemistry. 2/17/2025, Vol. 28 Issue 7, p1-6. 6p.

Predmety: *ALLENE, *BIOCHEMICAL substrates, *CHLOROSILANES, *GERMANIUM, *MOLECULES, *ACETATES

Ruthenium‐Catalyzed α‐Regioselective Hydroboration of Allenes.

Autori: Tan, Yun‐Xuan Li, Shijia Chen, Liang a ďalší

Zdroj: Angewandte Chemie International Edition. 2/17/2025, Vol. 64 Issue 8, p1-9. 9p.

Predmety: *ALLENE, *HYDROBORATION, *ENERGY industries, *ENYNES, *RUTHENIUM

Palladium‐Catalyzed, Regio‐/Stereo‐ and Enantiospecific Anti‐Carboxylation of Unactivated Internal Allenes.

Autori: Jayadev Nagtilak, Prajyot Rajeshbhai Hirapara, Deveen Mane, Manoj V. a ďalší

Zdroj: Angewandte Chemie International Edition. 2/10/2025, Vol. 64 Issue 7, p1-13. 13p.

Predmety: *PALLADIUM catalysts, *ALLENE, *RACEMIZATION, *CHIRALITY, *ACETATES, *CARBOXYLATION

Chemo‐/Regioselective [5+1] Annulation with gem‐Difluoromethylene Allenes for the Assembly of Fluorinated 2H‐Chromenes and Dihydroquinolines.

Autori: Lin, Zhensheng Cai, Ying Ye, Junwei a ďalší

Zdroj: Advanced Synthesis & Catalysis. 2/4/2025, Vol. 367 Issue 3, p1-6. 6p.

Predmety: *ALLENE, *FLUORINE, *MOIETIES (Chemistry), *CATALYSIS, *ACCOUNTING, *ANNULATION

NHC–Au–xanthate complexes.

Autori: Chakraborty, Supratim Gorski, Aleksander Danylyuk, Oksana a ďalší

Zdroj: Chemical Communications. 1/25/2025, Vol. 61 Issue 8, p1697-1700. 4p.

Predmety: *PHOTOCATALYSTS, *ALLENE, *ALKYNES, *HYDROXYLATION, *GOLD

Asymmetric Construction of Chiral 2‐Azetines and Axially Chiral Tetrasubstituted Allenes Via Phosphine Catalysis.

Autori: Tang, Yi Huang, Mingxia Jin, Jingrong a ďalší

Zdroj: Angewandte Chemie. 1/21/2025, Vol. 137 Issue 4, p1-7. 7p.

Predmety: *ALLENE, *CHIRALITY, *ENANTIOSELECTIVE catalysis, *CHEMICAL reactions

Enantioselective Assembly of Fully Substituted α‐Amino Allenoates Through a Mannich Addition and Stepwise [3,3]‐σ Rearrangement Sequence.

Autori: Yuan, Haoxuan Zhou, Yi Xie, Xiongda a ďalší

Zdroj: Advanced Science. 1/13/2025, Vol. 12 Issue 2, p1-9. 9p.

Predmety: *DENSITY functional theory, *ALLENE, *CATALYSIS, *IMINES, *SKELETON

Organocatalytic Dearomatization of β‐Naphthols through a 1,6‐Conjugated Addition of Alkynyl 7‐Methylene‐7H‐indoles Formed In Situ.

Autori: Kang, Shengfu Liu, Xiaohong Zhang, Yi a ďalší

Zdroj: Advanced Synthesis & Catalysis. 1/7/2025, Vol. 367 Issue 1, p1-6. 6p.

Predmety: *TARTARIC acid, *ALLENE, *PHOSPHORIC acid, *ORGANOCATALYSIS, *METHANOL

Diastereoselective and Enantioselective Hydrophosphinylations of Conjugated Enynes, Allenes and Dienes via Synergistic Pd/Co Catalysis.

Autori: Tang, Ming‐Qiao Yang, Zi‐Jiang Han, Ai‐Jun a ďalší

Zdroj: Angewandte Chemie. 1/2/2025, Vol. 137 Issue 1, p1-10. 10p.

Predmety: *METAL catalysts, *ALLENE, *ENYNES, *DIOLEFINS, *STEREOISOMERS