Cycloaddition相关论文
N-heterocyclic carbene-catalyzed reactions for the formation of aromatic compounds are reviewed.The reactions are subdiv......
A Bioorthogonal-Activated Fluorescence Turn-On Probe Based on Nitrone-Modified 1,8-Naphthalimide for
A nitrone-modified 1,8-naphthalimide was designed as a novel bioorthogonal-activated turn-on probe based on strain-promo......
Organocatalytic Enantioselective [8+4] Cycloadditions of Iso-benzofulvenes for the Construction of B
The[8+4]cycloaddition of indene-2-carbaldehydes with indole-2,3-quinodimethanes and pyrrolidone-3,4-dienes is described,......
Natural isoquinolinium alkaloids possess a wide range of biological activities.The design and synthesis of mesoionic iso......
Mechanism and selectivity of nickel-catalyzed [3 + 2] cycloaddition of cyclopropenones and α,β-unsat
Density functional theory calculations have been performed to investigate the nickel-catalyzed[3 + 2]cycloaddition of cy......
Synthesis of cyclic carbonates from epoxides or olefins and CO2 catalyzed by metal-organic framework
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Kinetics and mechanistic investigation of epoxide/CO2 cycloaddition by a synergistic catalytic effec
Formation of styrene carbonate (SC) by the cycloaddition of CO2 to styrene oxide (SO) catalysed by pyrrolidinopyridinium......
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1,2,3-Triazoles are an important class of heterocyclic compounds.They are shown to have different biological activities,......
Enantioselective [3+2] Cycloaddition of Azomethine Ylides with β-Amino Nitroalkene Catalyzed by a No
The catalytic asymmetric 1,3-dipolar cycloaddition of azomethine ylides to substituted olefins provides a powerful and a......
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Cu(Ⅰ)/TF-BiphamPhos-catalyzed [6+3] Cycloaddition of Azomethine Ylides with Fulvenes: Asymmetric Con
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Lewis acid-catalyzed Formal [3+2] Cycloadditions of Quinazoline-3-N-oxides and Carbodiimide via Sele
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OG-PP17:A Cycloaddition Strategy to Heteroaromatic Boronic Esters and Application in the Synthesis o
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Phosphine Catalyzed [3+2] Cycloaddition and Vinylation of Indole-derived α,α-Dicyanoolefins with γ-S
We have established a substrate-controlled [3+2] cycloaddition and vinylation of γ-allenoates with α,α-dicyanoolefins......
Catalytic Enantioselective and Regioselective [3+3] Cycloadditions Using 2-Indolylmethanols as 3C Bu
The catalytic asymmetric synthesis of enantioenriched indole derivatives has aroused great concern in the community of c......
Activation of strong σ bonds by oxidative addition is a key stepin a wide array of catalytic reactions mediated by tran......
Highly Diastereoselective Cycloaddition of Spirocyclopropyloxindoles with Nitrone:The Construction o
Spiroxindole is a type of privileged scaffold in natural products and drugs,which is also useful building block and inte......
Synthesis of Spirofluorenylpiperidin-4-ones via Cycloaddition and [1,3]-Rearrangement of N-Aryl Fluo
Spirofluorenylpiperidinone is one new class of potent valuable compound because 9-fluorenyl derivatives have been identi......
Herein we report the synthesis of a series of bisfunctional alkyl-bridged Bis-(β-CD-ammonia)salt catalyst(C1-C7)from en......
Diastereoselective Intermolecular [3+2] Cycloaddition of 1-(1-Alkynyl)Cyclopropyl Ketones with Elect
Since being introduced by Schmalz et al,1 alkynylcyclopropane(ACP)ketone has recently been proved to be a versatile buil......
Gold-Catalyzed Tandem Cyclization/Cycloaddition Reaction of Enynones:Highly Regioselective Synthesis
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Evolution of Routes for Asymmetric Total Synthesis of Cyclocitrinol Enabled by Type Ⅱ [5+2] Cycloadd
Main observation and conclusionrnThe asymmetric total synthesis of an unusual C25 steroid containing a unique bicyclo[4.......
Asymmetric catalytic 1,3-dipolar cycloaddition ofα-diazoesters for synthesis of 1-pyrazoline-based s
A highly enantioselective 1,3-dipolar cycloaddition ofα-substituted diazoesters with exocyclic enones was achieved with......
Design,Ultrasonic-assisted Synthesis and Evaluation In vitro Antimicrobial Activity of Bis-isoxazole
An ultrasonic-assisted synthesis of bis-isoxazole derivatives was developed.Eight 3-(6-chloropyridin-3-yl)-5-{[(3-arylis......
Nitrones are not only widely recognized as important building blocks in the synthesis of various natural and biologi......
Over the past decades,N-heterocyclic carbenes (NHCs) have developed into a powerful kind catalysts for organic synth......
Enantioselective Trapping of Pd-Containing 1,5-Dipoles by Photogenerated KetenesAccess to 7-Membered
Catalytic asymmetric construction of medium-sized rings remains an important and challenging task in organic synthes......
Synthesis of Spirofluorenyl-β-Lactams through Cycloaddition and Ring Contraction From N-Aryl Fluoren
β-lactams are an important class of compounds owing to their presence in numerous biologically active molecules.The......
Intramolecular Cross-Cycloadditons of Cyclopropane 1,1-diesters for Construction of Bridged and Medi
Bridged and medium-sized skeletons constitute the basic ones of many important biologically active natural products.......
Pd-Catalyzed Asymmetric Decarboxylative Cycloaddtion of Vinylethylene Carbonates with Unsaturated El
The development of efficient methods for the construction of quaternary stereogenic centers is an important objective in......
环加成是两个或多个分子通过结合生成环状化合物的反应,它在有机合成中起着非常重要的作用。腙是一类重要的有机含氮化合物,作为有......
环加成是两个或多个分子通过结合生成环状化合物的反应,在有机合成中起着非常重要的作用。脒是一类重要的有机含氮化合物,作为有机......
Quantum chemical ab initio method has been used to study the cycloaddition reaction between singlet oxygen and imidazole......
The postulated intermediates in the base-free and base-assisted addition of OsO4 to styrene have been investigated at th......
The development of genetically encoded,wavelength-tunable fluorescent proteins has provided a powerful imaging tool to t......
Asymmetric aminocatalysis has become one of the most powerful strategies for the transformations of carbonyl substances ......
The molecular structure, conformational stability, and vibrational frequencies of tert-butyl N-(2-bromocyclohex-2-enyl)-......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Main observation and conclusionrnThe introduction of mesoporosity into the microporous metal-organic frameworks(MOFs)is ......
High-energy-density liquid hydrocarbon fuels are generally synthesized using various chemical reactions to improve the p......
Rh-Catalyzed Kinetic Resolution-Based Enantioselective [4+2]-Cycloaddition-Isomerization of Allene-1
The first example of Rh-catalyzed kinetic resolution of 1,3-disubstituted allene-1,3-dienes involving intramolecular[4+2......
Transition-metal-free synthesis of 1,4-benzoxazepines via[4+3]-cycloaddition of para-quinone methide
A formal[4+3]-cycloaddition reaction of ortho-hydroxyphenyl-substituted para-quinone methides(p-QMs)with in-situ gen-era......
