Regioselective Synthesis of 3-Carbo-5-phosphonylpyrazoles through a One-Pot Claisen-Schmidt/1,3-Dipolar Cycloaddition/Oxidation Sequence

2011 ◽  
Vol 2011 (17) ◽  
pp. 3184-3190 ◽  
Author(s):  
Anthony R. Martin ◽  
Kishor Mohanan ◽  
Loic Toupet ◽  
Jean-Jacques Vasseur ◽  
Michael Smietana
Keyword(s):  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot

scholarly journals Regioselective synthesis of fullerene multiadducts via tether-directed 1,3-dipolar cycloaddition

2015 ◽  
Vol 13 (42) ◽  
pp. 10505-10510 ◽  
Author(s):  
Bolong Zhang ◽  
Jonathan M. White ◽  
David J. Jones ◽  
Wallace W. H. Wong
Keyword(s):  
Amino Acid ◽  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot

A class of fullerene bisadducts was synthesized in one-pot over two steps with regioselectivity using tether-directed functionalization approach. In extending this class of materials, interesting variations in regioselectivity was observed when different amino acid reactants were used.

ChemInform Abstract: Regioselective Synthesis of 3-Carbo-5-phosphonylpyrazoles Through a One-Pot Claisen-Schmidt/1,3-Dipolar Cycloaddition/Oxidation Sequence.

ChemInform ◽  
2011 ◽  
Vol 42 (43) ◽  
pp. no-no
Author(s):  
Anthony R. Martin ◽  
Kishor Mohanan ◽  
Loic Toupet ◽  
Jean-Jacques Vasseur ◽  
Michael Smietana
Keyword(s):  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot

An efficient one pot regioselective synthesis of a 3,3′-spiro-phosphonylpyrazole-oxindole framework via base mediated [1,3]-dipolar cycloaddition reaction of the Bestmann–Ohira reagent with methyleneindolinones

2015 ◽  
Vol 13 (32) ◽  
pp. 8669-8675 ◽  
Author(s):  
Anil M. Shelke ◽  
Gurunath Suryavanshi
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot

A one pot, highly regioselective synthesis of 3,3′-spiro-phosphonylpyrazole-oxindole by 1,3-dipolar cycloaddition of the Bestmann–Ohira reagent (BOR) & methyleneindolinones has been developed.

A convenient regioselective synthesis of spirooxindolinopyrrolizidines incorporating the pyrene moiety through a [3 + 2]-cycloaddition reaction

2017 ◽  
Vol 23 (5) ◽  
Author(s):  
Essam M. Hussein ◽  
Saleh A. Ahmed ◽  
Ismail I. Althagafi
Keyword(s):  
Cycloaddition Reaction ◽  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
One Pot Synthesis

AbstractA facile one-pot synthesis of spirooxindolinopyrrolizidines incorporating the pyrene moiety was accomplished in good yields through a 1,3-dipolar cycloaddition reaction of 3-aryl-1-(pyren-1-yl)prop-2-en-1-one derivatives with

An efficient one-pot strategy for the highly regioselective metal-free synthesis of 1,4-disubstituted-1,2,3-triazoles

2014 ◽  
Vol 50 (80) ◽  
pp. 11926-11929 ◽  
Author(s):  
Akbar Ali ◽  
Arlene G. Corrêa ◽  
Diego Alves ◽  
Julio Zukerman-Schpector ◽  
Bernhard Westermann ◽  
...  
Keyword(s):  
Regioselective Synthesis ◽  
Dipolar Cycloaddition ◽  
One Pot ◽  
Inverse Electron Demand ◽  
Metal Free ◽  
Electron Demand

A simple and efficient metal-free methodology for the regioselective synthesis of 1,4-disubstituted-1,2,3-triazoles by applying a novel inverse electron-demand-1,3-dipolar cycloaddition approach has been developed.

scholarly journals The regioselective synthesis of spirooxindolo pyrrolidines and pyrrolizidines via three-component reactions of acrylamides and aroylacrylic acids with isatins and α-amino acids

2014 ◽  
Vol 10 ◽  
pp. 117-126 ◽  
Author(s):  
Tatyana L Pavlovskaya ◽  
Fedor G Yaremenko ◽  
Victoria V Lipson ◽  
Svetlana V Shishkina ◽  
Oleg V Shishkin ◽  
...  
Keyword(s):  
Amino Acids ◽  
Carboxylic Acids ◽  
Regioselective Synthesis ◽  
Azomethine Ylides ◽  
Dipolar Cycloaddition ◽  
One Pot

The regioselective three-component condensation of azomethine ylides derived from isatins and α-amino acids with acrylamides or aroylacrylic acids as dipolarophiles has been realized through a one-pot 1,3-dipolar cycloaddition protocol. Decarboxylation of 2'-aroyl-2-oxo-1,1',2,2',5',6',7',7a'-octahydrospiro[indole-3,3'-pyrrolizine]-1'-carboxylic acids is accompanied by cyclative rearrangement with formation of dihydropyrrolizinyl indolones.

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