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1-10 of 69 results for [1 2] cycloaddition

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Select article: A [1 + 2] cycloaddition instead of usual [2 + 3] cycloaddition between the B 12 N 12 cluster and methyl azide: Potential energy surface calculations and Born–Oppenheimer molecular dynamics simulations

Open access

Research article

First published 2020

A [1 + 2] cycloaddition instead of usual [2 + 3] cycloaddition between the B 12 N 12 cluster and methyl azide: Potential energy surface calculations and Born–Oppenheimer molecular dynamics simulations

Parvaneh Pakravan, Seyyed Amir Siadati

Progress in Reaction Kinetics and Mechanism

Select article: [1 + 4]Cycloaddition of Isocyanides with 2-Acetyl-1,4-benzoquinone;a Convenient Synthesis of Isobenzofuran-4,7-quinones †

Free access

Research article

First published 1999-9

[1 + 4]Cycloaddition of Isocyanides with 2-Acetyl-1,4-benzoquinone;a Convenient Synthesis of Isobenzofuran-4,7-quinones †

Ahmad Shaabani, Shahram Ajabi, Farhad Farrokhzad [...]

Journal of Chemical Research

Select article: Regioselective Synthesis of Spiro[Naphthalene-2(1 H ),3′-[3 H ]Pyrazol]-1-Ones Utilizing 1,3-Dipolar Cycloaddition of Nitrilimines

Free access

Research article

First published 2000-1

Regioselective Synthesis of Spiro[Naphthalene-2(1 H ),3′-[3 H ]Pyrazol]-1-Ones Utilizing 1,3-Dipolar Cycloaddition of Nitrilimines

Nawal Mishriky, Adel S. Girgis, Yehia A. Ibrahim

Journal of Chemical Research

Select article: Synthesis of Novel Dispiro [1-Benzothiophene-5,3′-Pyrrolidine-2′,3″-Indole] Derivatives via 1,3-Dipolar Cycloaddition of Azomethine Ylide

Free access

Research article

First published 2014-1

Synthesis of Novel Dispiro [1-Benzothiophene-5,3′-Pyrrolidine-2′,3″-Indole] Derivatives via 1,3-Dipolar Cycloaddition of Azomethine Ylide

Jinlong Yan

Journal of Chemical Research

Select article: C 1 -Symmetrical Ti(OTos) 2 - and TiCl 2 -TADDOLate-catalysed 1,3-dipolar cycloaddition reactions of nitrones to electron-deficient alkenes

Free access

Research article

First published 2008-2

C 1 -Symmetrical Ti(OTos) 2 - and TiCl 2 -TADDOLate-catalysed 1,3-dipolar cycloaddition reactions of nitrones to electron-deficient alkenes

Yan-xia Wang, Yong-kuan Zhu, Bo Liu [...]

Journal of Chemical Research

Select article: One-Pot,Three-Component Route to Spiropyrrolidine Derivatives via a 1,3-Dipolar Cycloaddition Reaction

Free access

Research article

First published 2011-2

One-Pot,Three-Component Route to Spiropyrrolidine Derivatives via a 1,3-Dipolar Cycloaddition Reaction

Guo-Liang Feng, Hong-Li Zhang, Li-Jun Geng

Journal of Chemical Research

Select article: Facile Synthesis of 3-Aryl-5-(2-Oxopyrrolidin-1-yl)- and 5-(Pyridin-4-yl)-4,5-Dihydroisoxazoles via 1,3-Dipolar Cycloaddition under Mild Conditions

Free access

Research article

First published 2013-8

Facile Synthesis of 3-Aryl-5-(2-Oxopyrrolidin-1-yl)- and 5-(Pyridin-4-yl)-4,5-Dihydroisoxazoles via 1,3-Dipolar Cycloaddition under Mild Conditions

Yan Gong, Yong Wang, Wen-Tao Zhao [...]

Journal of Chemical Research

Select article: Regioselective Synthesis of rac -(1R,4R,6 R,6a R )-6′-phenyl-7′,8′-dihydro-1″ H,2′ H,6′ H -dispiro[cycloalkane-1,5′-pyrrolo[1,2- c ][1,3]thiazole-4′,3″-indole]-2,2″-diones through 3 + 2 cycloaddition Reaction

Free access

Research article

First published 2009-4

Regioselective Synthesis of rac -(1R,4R,6 R,6a R )-6′-phenyl-7′,8′-dihydro-1″ H,2′ H,6′ H -dispiro[cycloalkane-1,5′-pyrrolo[1,2- c ][1,3]thiazole-4′,3″-indole]-2,2″-diones through 3 + 2 cycloaddition Reaction

Mahalingam Poornachandran, Mathesan Jayagobi, Raghavachary Raghunathan

Journal of Chemical Research

Select article: A Facile Synthesis of Dispiro[indole-3,2′-Pyrrolidine-3,5″-[1,3]Thiazolane] Derivatives from 2,3,5-Trisubstituted-4-Thiazolidinones via 1,3-Dipolar Cycloaddition Reaction

Free access

Research article

First published 2014-5

A Facile Synthesis of Dispiro[indole-3,2′-Pyrrolidine-3,5″-[1,3]Thiazolane] Derivatives from 2,3,5-Trisubstituted-4-Thiazolidinones via 1,3-Dipolar Cycloaddition Reaction

Guo-Liang Feng, Hong-Li Zhang, Li-Jun Geng

Journal of Chemical Research

Select article: Stereochemistry of the [4 + 2] Cycloaddition Reactions of 5-Arylmethylene-2,4-Dithioxo-1,3-Thiazolidines with Acrylonitrile,1-Ethoxy-3-Phenyl- E -2-Propen-1-One and 3-Phenyl- E -2-Propen-1-One

Free access

Research article

First published 2001-11

Stereochemistry of the [4 + 2] Cycloaddition Reactions of 5-Arylmethylene-2,4-Dithioxo-1,3-Thiazolidines with Acrylonitrile,1-Ethoxy-3-Phenyl- E -2-Propen-1-One and 3-Phenyl- E -2-Propen-1-One

Mohamed T. Omar, Nadia K El-Aasar, Khaled F. Saied

Journal of Chemical Research

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