A new approach for the synthesis of pyrazoles via 1,3-dipolar cycloaddition of nitrile imines to acetyl acetone#

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsaturated Ketones with Hydrazines

金伟伟
于海丰
余正坤

January 2011

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsa...

Experimental and Computational Investigation of the 1,3-Dipolar Cycloaddition of the ynamide tert-butyl-ethynyl-phenyl carbamate with C-carboxymethyl-N-phenyl nitrilimine

P. Blas González
J. Z. Chandanshive
B. F. Bonini
C. Monasterolo
FOCHI, MARIAFRANCESCA
MAZZANTI, ANDREA
BERNARDI, LUCA
LOCATELLI, ERICA
CARUANA, LORENZO
COMES FRANCHINI, MAURO

January 2013

The 1,3-dipolar cycloaddition (1,3-DC) of the ynamide tert-butyl N-ethynyl-N-phenylcarbamate with C-...

Synthesis and Reactions of N-(2,4-Dinitrophenyl). Acetohydrazonyl Chloride

R. S. TEWARI
(Miss) P. PARIHAR

October 1983

Department of Chemistry, H. B. Technological Institute, Kanpur-208 002 Manuscript received 31 Janua...

A new approach for the synthesis of pyrazoles via 1,3-dipolar cycloaddition of nitrile imines to acetyl acetone#

Umesha, K B
Rai, K M Lokanatha
Kumar, K Ajay

July 2002

1450-1453The acetyl acetone 3 reacts smoothly with the nitrile imines 2 generated in situ by the ca...

Synthesis of 3,4-diaryl-1-phenyl-4,5-dihydro-1H-pyrazole-5-carbonitriles via 1,3-dipolar cycloaddition reactions

Prabhashankar, J.
Govindappa, V. K.
Kariyappa, A. K.

January 2013

Nitrile imines generated by the oxidative dehydrogenation of aromatic aldehyde phenylhydrazones with...

Research Article Synthesis of 3,4-diaryl-1-phenyl-4,5-dihydro-1H-pyrazole-5-carbonitriles via 1,3-dipolar cycloaddition reactions

Turk J Chem
Jayaroopa Prabhashankar
Vasanth Kumar Govindappa
Ajay Kumar Kariyappa

October 2016

Abstract: Nitrile imines generated by the oxidative dehydrogenation of aromatic aldehyde phenylhydra...

Synthesis of isoxazoles via 1,3-dipolar cycloaddition reactions and their antimicrobial activity

Kumar, K.
Govindaraju, M.
Vasanth Kumar, G.

February 2010

The ethyl acetoacetate reacts with the nitrile imines generated in situ by the catalytic dehydrogena...

1,3-Dipolar cycloaddition of nitrile imines with alpha,beta-unsaturated lactones, thiolactones and lactams: synthesis of ring-fused pyrazoles

Chandanshive, J.Z.
Gonzalez, P.B.
Tiznado, W.
Bonini, B.F. .
Caballero, J.
Femoni, C.
Franchini, M.C.

April 2012

Caballero, J (Caballero, Julio). Univ Talca, Fac Ingn Bioinformat, Ctr Bioinformat & Simulac Mol, C...

One-pot tandem synthesis of tetrasubstituted pyrazoles via 1,3-dipolar cycloaddition between aryl hydrazones and ethyl but-2-ynoate

Ningaiah, S.
Doddaramappa, S. D.
Chandra
Madegowda, M.
Keshavamurthy, S.
Bhadraiah, U. K.

January 2014

1,3,4,5-Tetrasubstituted pyrazoles are rapidly and regioselectively synthesized in a one-pot, three-...

One-Pot Tandem Synthesis of Tetrasubstituted Pyrazoles via 1,3-Dipolar Cycloaddition Between Aryl Hydrazones and Ethyl But-2-ynoate

Srikantamurthy Ningaiah (552013)
Shridevi D. Doddaramappa (552014)
Chandra (552015)
Mahendra Madegowda (552016)
Shubakara Keshavamurthy (552017)
Umesha K. Bhadraiah (552018)

June 2014

<div>1,3,4,5-Tetrasubstituted pyrazoles are rapidly and regioselectively synthesized in a ...

1,3-Dipolar Cycloaddition of Hydrazones with ?-Oxo-ketenes: A Three-Component Stereoselective Entry to Pyrazolidinones and an Original Class of Spirooxindoles

Presset, Marc
Hamann, Marie
Coquerel, Yoann
Rodriguez, Jean

July 2011

International audienceStereodefined monocyclic, spirobicyclic, and bis-spirotricyclic pyrazolidin-3-...

Regiocontrolled 1,3-Dipolar cycloadditions of nitrile imines with acetylenes and α,β-unsaturated systems: Synthesis of polysubstituted and ring fused pyrazoles with pharmaceutical activity

Bertuzzi, Giulio
Fochi, Mariafrancesca
Franchini, Mauro Comes

January 2016

1,3-Dipolar cycloadditions of nitrile imines with functionalised acetylenes and α,β-unsaturated syst...

3-Dipolar Cycloaddition of Nitrile Imines with Cyclic alpha-beta-Unsaturated Ketones: A Regiochemical Route to Ring-Fused Pyrazoles

Chandanshive, J.Z.
Bonini, B.F.
Tiznado, W.
Escobar, C.A.
Caballero, J.
Femoni, C.
Fochi, M.
Franchini, M.C.

September 2011

Caballero, J (Caballero, Julio). Univ Talca, Ctr Bioinformt & Simulac Mol, Fac Ingn Bioinformat, Tal...

1,3-Dipolar Cycloaddition of Diphenyl Nitrile Imine with 4-Arylmethylene-2,4-dihydro-5-methyl-2-phenyl/phenylmethyl-3H-pyrazol-3-ones

DAROGA SINGH
DEVINDER SINGH

October 1991

Department of Chemistry, Faculty of Science, Banaras Hindu University, Varanasi·221 005 Manuscript ...

1,3-Dipolar cycloaddition of nitrile imines with a,b-unsaturated lactones, thiolactones and lactams: synthesis of ring-fused pyrazoles

J. Z. Chandanshive
P. Blas Gonzalez
W. Tiznado
B. Bonini
J. Caballero
FEMONI, CRISTINA
COMES FRANCHINI, MAURO

January 2012

1,3-Dipolar cycloaddition of nitrile imines with a,b-unsaturated five- and six-membered lactones, th...

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsaturated Ketones with Hydrazines

金伟伟
于海丰
余正坤

January 2011

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsa...

Experimental and Computational Investigation of the 1,3-Dipolar Cycloaddition of the ynamide tert-butyl-ethynyl-phenyl carbamate with C-carboxymethyl-N-phenyl nitrilimine

P. Blas González
J. Z. Chandanshive
B. F. Bonini
C. Monasterolo
FOCHI, MARIAFRANCESCA
MAZZANTI, ANDREA
BERNARDI, LUCA
LOCATELLI, ERICA
CARUANA, LORENZO
COMES FRANCHINI, MAURO

January 2013

The 1,3-dipolar cycloaddition (1,3-DC) of the ynamide tert-butyl N-ethynyl-N-phenylcarbamate with C-...

Synthesis and Reactions of N-(2,4-Dinitrophenyl). Acetohydrazonyl Chloride

R. S. TEWARI
(Miss) P. PARIHAR

October 1983

Department of Chemistry, H. B. Technological Institute, Kanpur-208 002 Manuscript received 31 Janua...

A new approach for the synthesis of pyrazoles via 1,3-dipolar cycloaddition of nitrile imines to acetyl acetone#

Umesha, K B
Rai, K M Lokanatha
Kumar, K Ajay

July 2002

1450-1453The acetyl acetone 3 reacts smoothly with the nitrile imines 2 generated in situ by the ca...

Synthesis of 3,4-diaryl-1-phenyl-4,5-dihydro-1H-pyrazole-5-carbonitriles via 1,3-dipolar cycloaddition reactions

Prabhashankar, J.
Govindappa, V. K.
Kariyappa, A. K.

January 2013

Nitrile imines generated by the oxidative dehydrogenation of aromatic aldehyde phenylhydrazones with...

Research Article Synthesis of 3,4-diaryl-1-phenyl-4,5-dihydro-1H-pyrazole-5-carbonitriles via 1,3-dipolar cycloaddition reactions

Turk J Chem
Jayaroopa Prabhashankar
Vasanth Kumar Govindappa
Ajay Kumar Kariyappa

October 2016

Abstract: Nitrile imines generated by the oxidative dehydrogenation of aromatic aldehyde phenylhydra...

Synthesis of isoxazoles via 1,3-dipolar cycloaddition reactions and their antimicrobial activity

Kumar, K.
Govindaraju, M.
Vasanth Kumar, G.

February 2010

The ethyl acetoacetate reacts with the nitrile imines generated in situ by the catalytic dehydrogena...

1,3-Dipolar cycloaddition of nitrile imines with alpha,beta-unsaturated lactones, thiolactones and lactams: synthesis of ring-fused pyrazoles

Chandanshive, J.Z.
Gonzalez, P.B.
Tiznado, W.
Bonini, B.F. .
Caballero, J.
Femoni, C.
Franchini, M.C.

April 2012

Caballero, J (Caballero, Julio). Univ Talca, Fac Ingn Bioinformat, Ctr Bioinformat & Simulac Mol, C...

One-pot tandem synthesis of tetrasubstituted pyrazoles via 1,3-dipolar cycloaddition between aryl hydrazones and ethyl but-2-ynoate

Ningaiah, S.
Doddaramappa, S. D.
Chandra
Madegowda, M.
Keshavamurthy, S.
Bhadraiah, U. K.

January 2014

1,3,4,5-Tetrasubstituted pyrazoles are rapidly and regioselectively synthesized in a one-pot, three-...

One-Pot Tandem Synthesis of Tetrasubstituted Pyrazoles via 1,3-Dipolar Cycloaddition Between Aryl Hydrazones and Ethyl But-2-ynoate

Srikantamurthy Ningaiah (552013)
Shridevi D. Doddaramappa (552014)
Chandra (552015)
Mahendra Madegowda (552016)
Shubakara Keshavamurthy (552017)
Umesha K. Bhadraiah (552018)

June 2014

<div>1,3,4,5-Tetrasubstituted pyrazoles are rapidly and regioselectively synthesized in a ...

1,3-Dipolar Cycloaddition of Hydrazones with ?-Oxo-ketenes: A Three-Component Stereoselective Entry to Pyrazolidinones and an Original Class of Spirooxindoles

Presset, Marc
Hamann, Marie
Coquerel, Yoann
Rodriguez, Jean

July 2011

International audienceStereodefined monocyclic, spirobicyclic, and bis-spirotricyclic pyrazolidin-3-...

Regiocontrolled 1,3-Dipolar cycloadditions of nitrile imines with acetylenes and α,β-unsaturated systems: Synthesis of polysubstituted and ring fused pyrazoles with pharmaceutical activity

Bertuzzi, Giulio
Fochi, Mariafrancesca
Franchini, Mauro Comes

January 2016

1,3-Dipolar cycloadditions of nitrile imines with functionalised acetylenes and α,β-unsaturated syst...

3-Dipolar Cycloaddition of Nitrile Imines with Cyclic alpha-beta-Unsaturated Ketones: A Regiochemical Route to Ring-Fused Pyrazoles

Chandanshive, J.Z.
Bonini, B.F.
Tiznado, W.
Escobar, C.A.
Caballero, J.
Femoni, C.
Fochi, M.
Franchini, M.C.

September 2011

Caballero, J (Caballero, Julio). Univ Talca, Ctr Bioinformt & Simulac Mol, Fac Ingn Bioinformat, Tal...

1,3-Dipolar Cycloaddition of Diphenyl Nitrile Imine with 4-Arylmethylene-2,4-dihydro-5-methyl-2-phenyl/phenylmethyl-3H-pyrazol-3-ones

DAROGA SINGH
DEVINDER SINGH

October 1991

Department of Chemistry, Faculty of Science, Banaras Hindu University, Varanasi·221 005 Manuscript ...

1,3-Dipolar cycloaddition of nitrile imines with a,b-unsaturated lactones, thiolactones and lactams: synthesis of ring-fused pyrazoles

J. Z. Chandanshive
P. Blas Gonzalez
W. Tiznado
B. Bonini
J. Caballero
FEMONI, CRISTINA
COMES FRANCHINI, MAURO

January 2012

1,3-Dipolar cycloaddition of nitrile imines with a,b-unsaturated five- and six-membered lactones, th...

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsaturated Ketones with Hydrazines

金伟伟
于海丰
余正坤

January 2011

Regioselective Synthesis of Multisubstituted Pyrazoles via Cyclocondensation of β-Thioalkyl-α,β-Unsa...

Experimental and Computational Investigation of the 1,3-Dipolar Cycloaddition of the ynamide tert-butyl-ethynyl-phenyl carbamate with C-carboxymethyl-N-phenyl nitrilimine

P. Blas González
J. Z. Chandanshive
B. F. Bonini
C. Monasterolo
FOCHI, MARIAFRANCESCA
MAZZANTI, ANDREA
BERNARDI, LUCA
LOCATELLI, ERICA
CARUANA, LORENZO
COMES FRANCHINI, MAURO

January 2013

The 1,3-dipolar cycloaddition (1,3-DC) of the ynamide tert-butyl N-ethynyl-N-phenylcarbamate with C-...

Synthesis and Reactions of N-(2,4-Dinitrophenyl). Acetohydrazonyl Chloride

R. S. TEWARI
(Miss) P. PARIHAR

October 1983

Department of Chemistry, H. B. Technological Institute, Kanpur-208 002 Manuscript received 31 Janua...

A new approach for the synthesis of pyrazoles via 1,3-dipolar cycloaddition of nitrile imines to acetyl acetone#

Abstract

Extracted data

A new approach for the synthesis of pyrazoles via 1,3-dipolar cycloaddition of nitrile imines to acetyl acetone#

Abstract

Extracted data

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