Keywords: [2 + 2] Cycloaddition; [2+2] Cycloaddition; Cyclobutane; Organocatalyst; Radical mechanism;
مقالات ISI [2 + 2] Cycloaddition (ترجمه نشده)
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Keywords: [2 + 2] Cycloaddition; Keteniminium salts; Cyclobutaniminium salts; [2+2] cycloaddition; Aminocyclobutane; DFT calculations;
Keywords: [2 + 2] Cycloaddition; Ketene/ketene-iminium; Strigolactone; Total synthesis; [2+2] Cycloaddition; Cyclobutanone;
Keywords: [2 + 2] Cycloaddition; 'Aldo'-keteniminium salts; Cyclobuteniminiums; [2+2] cycloaddition; Diels-Alder reaction; Cyclobutenone; DFT calculations;
Keywords: [2 + 2] Cycloaddition; Three-dimensional frameworks; Cyclobutanes; [2+2] cycloaddition; Oxygen heterocycles; Spiro compounds;
Keywords: [2 + 2] Cycloaddition; Click chemistry; [2+2] Cycloaddition; Donor-acceptor systems; Pyrene derivative; Third-order nonlinear optical;
Energy transfer or electron transfer?-DFT study on the mechanism of [2+2] cycloadditions induced by visible light photocatalysts
Keywords: [2 + 2] Cycloaddition; Visible light; Energy transfer; Electron transfer; Photocatalyst; [2+2] cycloaddition; Stereoselectivity;
Synthesis and biological evaluation of steroidal derivatives bearing a small ring as vitamin D receptor agonists
Keywords: [2 + 2] Cycloaddition; Steroids; Vitamin D receptor; Cyclopropanes; Cyclobutanes; [2+2] cycloaddition;
Divaccinosides A-D, four rare iridoid glucosidic truxillate esters from the leaves of Vaccinium bracteatum
Keywords: [2 + 2] Cycloaddition; Vaccinium bracteatum; Ericaceae; Iridoid glucosides; Divaccinosides; [2+2] cycloaddition;
Tetrahedron report 1099[2+2] Cycloaddition reactions promoted by group 11 metal-based catalysts
Keywords: [2 + 2] Cycloaddition; [2+2] Cycloaddition; Copper; Silver; Gold; Catalysis;
Stereocontrolled formation of oxacephams from carbohydrates
Keywords: [2 + 2] Cycloaddition; [2+2] Cycloaddition; Chlorosulfonyl isocyanate; 4-O-Propenyl-hexopyranosides; 4-O-Vinyloxyazetidin-2-one; Oxacephams; PMB, p-methoxybenzyl; TBDPS, tert-butyldiphenylsilyl; TBS, tert-butyldimethylsilyl;
Cycloaddition of keteniminium with terminal alkynes toward cyclobuteniminium and their use in Diels-Alder reactions
Keywords: [2 + 2] Cycloaddition; Keteniminium salts; Cyclobuteniminiums; [2+2] Cycloaddition; Diels-Alder reaction; Cyclobutanones; DFT calculations;
A theoretical study on the competing mechanisms and regioselectivity of the intermolecular radical anion [2+2] cycloadditions of phenyl vinyl sulfone with enones
Keywords: [2 + 2] Cycloaddition; DFT; [2+2] Cycloaddition; Radical anion; Regioselectivity;
Changing the regioselectivity and asynchronicity of the possible concerted [2+2] and [4+2] cycloadditions of ketene and halogenated ketenes with cyclopentadiene: a DFT survey
Keywords: [2 + 2] Cycloaddition; Ketene; Dihaloketene; Cyclopentadiene; [2+2] Cycloaddition; [4+2] Cycloaddition; Claisen rearrangement; DFT; AIM;
Anomalous Z-isomer content in Wittig reaction products from keto-stabilised ylides with ortho-heteroatom substituted benzaldehydes
Keywords: [2 + 2] Cycloaddition; Wittig reaction mechanism; Keto-stabilised phosphonium ylide; ortho-Substituted benzaldehydes; Kinetic control in Wittig reactions; Z-Alkene; [2+2] Cycloaddition;
Synthesis of novel β-lactams bearing an anthraquinone moiety, and evaluation of their antimalarial activities
Keywords: [2 + 2] Cycloaddition; β-Lactam; Anthraquinone-2-carbaldehyde; [2+2] Cycloaddition; Tosyl chloride; Plasmodium falciparum; Antimalarial activity;
Metal-directed assembly of metal(II) benzoates (MÂ =Â Mn, Ni, Co, Cu, Zn, and Cd) with 1,2-bis(4-pyridyl)ethene: Light- and photo-induced [2Â +Â 2] cycloaddition
Keywords: [2 + 2] Cycloaddition; 1,2-bis(4-pyridyl)ethene; [2+2] cycloaddition; Coordination polymers; Transesterification;
The first report of [2+2] ketene-imine cycloaddition reactions (Staudinger) on carbon nanotubes
Keywords: [2 + 2] Cycloaddition; Staudinger reaction; Carbon nanotube; β-Lactam; β-d-Glucopyranosylamine; [2+2] Cycloaddition;
Novel quinolinone alkaloids bearing a lignoid moiety and related constituents in the leaves of Melicope denhamii
Keywords: [2 + 2] Cycloaddition; Melicope denhamii; Rutaceae; Quinolinone; Diels-Alder cycloaddition; [2+2] Cycloaddition;
Synthesis of mono-, bis-spiro- and dispiro-β-lactams and evaluation of their antimalarial activities
Keywords: [2 + 2] Cycloaddition; 9H-Fluoren-9-one; Dispiro-β-lactams; 9H-Xanthene-9-carboxylic acid; Phenoxyacetic acid; [2+2] Cycloaddition; Antimalarial activities;
Synthesis and photocleavage of a new polymerizable [2+2] hetero dimer for phototriggered drug delivery
Keywords: [2 + 2] Cycloaddition; Phototriggered drug delivery; [2+2] cycloaddition; Cycloreversion; Single photon absorption; Two photon absorption; 1,1-Dimethylnaphtalenone; 5-fluorouracil
Total synthesis and structure revision of deacetylravidomycin M
Keywords: [2 + 2] Cycloaddition; Ravidomycin; Aryl C-glycoside; OâC-Glycoside rearrangement; [2+2] Cycloaddition; Ring expansion reaction; Total synthesis;
[2+2] Cycloaddition of electron-poor acetylenes to (E)-3-dimethylamino-1-heteroaryl-prop-2-en-1-ones: synthesis of highly functionalized 1-heteroaroyl-1,3-butadienes
Keywords: [2 + 2] Cycloaddition; [2+2] Cycloaddition; (E)-3-Dimethylamino-1-heteroaryl-prop-2-en-1-ones; 1-Heteroaroyl-1,3-butadienes;
Photochemical [2+2] cycloaddition of the olefinic double bonds in the supramolecular rectangle [Ru4(η6-p-cymene)4(μ-oxalato)2(μ-4,4′-bipyridylethylene)2]4+
Keywords: [2 + 2] Cycloaddition; Bridging ligands; Arene ligands; Ruthenium; Supramolecular chemistry; [2+2] Cycloaddition
Isolation of p-tricyanovinylphenyldicyanomethide ion via a [2+2] cycloaddition of 7,7,8,8-tetracyanoquinodimethane (TCNQ) molecules
Keywords: [2 + 2] Cycloaddition; P-ligand; Crystal structure; Co complex; [2+2] Cycloaddition;
Cycloaddition reactions of 1,3-diazabuta-1,3-dienes with alkynyl ketenes
Keywords: [2 + 2] Cycloaddition; 1,3-Diazabuta-1,3-dienes; Alkynyl ketenes; [2+2] Cycloaddition; [4+2] Cycloaddition; Azetidin-2-ones; Dihydropyrimidinones;
Thermally reversible photochromic behaviour of new naphthopyrans involving an intramolecular [2+2] cyclization reaction
Keywords: [2 + 2] Cycloaddition; Naphthopyran; Photochromism; NMR analysis; UV light; [2+2] Cycloaddition;
Symmetric and asymmetric ent-kaurane dimers isolated from Isodon japonicus
Keywords: [2 + 2] Cycloaddition; Dimer; ent-Kaurane; Four-membered carbon ring; [2+2] cycloaddition; Isodon japonicus;
Elucidation of the substitutent effects on the reaction pathway of the cycloaddition of 1,3-diazabuta-1,3-dienes with ketenes using DFT-based reactivity indexes
Keywords: [2 + 2] Cycloaddition; 1,3-Diazabuta-1,3-diene; [2+2] Cycloaddition; [4+2] Cycloaddition; DFT-based reactivity indexes; B3LYP calculations;
Synthesis of naphtho[b]cyclobutenes from 1,2-bis(3-propynol)benzenes
Keywords: [2 + 2] Cycloaddition; Bisallenes; [2+2] Cycloaddition; Naphtho[b]cyclobutenes; Dephosphinylation;
Ruthenium-catalyzed [2+2] cycloadditions between C1-substituted 7-oxanorbornadienes and alkynes
Keywords: [2 + 2] Cycloaddition; Ruthenium; [2+2] Cycloaddition; Cyclobutene; Regioselectivity; Bicyclic alkene; Alkyne;
From alkenylphosphane aminoallenylidene ruthenium(II) complexes to highly unsaturated ruthenaphosphabicycloheptene complexes
Keywords: [2 + 2] Cycloaddition; [2+2] Cycloaddition; Allenylidene complexes; Alkenylphosphane ligands; Ruthenium(II)
Reaction of ene-bis(phosphinylallenes): [2+2] versus [4+2] cycloaddition
Keywords: [2 + 2] Cycloaddition; Bisallenes; [2+2] Cycloaddition; Naphtho[b]cyclobutenes; [4+2] Cycloaddition;
Synthetic studies of pestalotiopsin A: asymmetric synthesis of the 2-oxabicyclo[3.2.0]heptane substructure
Keywords: [2 + 2] Cycloaddition; Cyclobutane; [2+2] Cycloaddition; Chiral auxiliary;