Literature DB >> 12599501

Oxidative aromatization of 1,3,5-trisubstituted pyrazolines and Hantzsch 1,4-dihydropyridines by Pd/C in acetic acid.

Natsuki Nakamichi1, Yuka Kawashita, Masahiko Hayashi.   

Abstract

[formula: see text] 1,3,5-Trisubstituted pyrazolines and Hantzsch 1,4-dihydropyridines were converted to the corresponding pyrazoles and pyridines effectively by the treatment of a catalytic amount of Pd/C in acetic acid.

Entities:  

Year:  2002        PMID： 12599501     DOI： 10.1021/ol0268135

Source DB:  PubMed          Journal:  Org Lett        ISSN： 1523-7052            Impact factor:   6.005


  9 in total

1.  Synthesis of dihydropyridines and pyridines from imines and alkynes via C-H activation.

Authors:  Denise A Colby; Robert G Bergman; Jonathan A Ellman
Journal:  J Am Chem Soc       Date:  2008-02-27       Impact factor: 15.419

2.  N,N'-ethylene-bis(benzoylacetoniminato) copper (II), Cu(C22H22N2O2), a new reagent for aromatization of Hantzsch 1,4-dihydropyridines.

Authors:  Saeed Dehghanpour; Majid M Heravi; Fatemeh Derikvand
Journal:  Molecules       Date:  2007-03-12       Impact factor: 4.411

3.  Thermal electron-transfer-induced oxidation of 2-pyrazolines.

Authors:  Hamid Reza Memarian; Reza Minakar
Journal:  Mol Divers       Date:  2019-02-02       Impact factor: 2.943

4.  Direct N-heterocyclization of hydrazines to access styrylated pyrazoles: synthesis of 1,3,5-trisubstituted pyrazoles and dihydropyrazoles.

Authors:  Vunnam Venkateswarlu; Jaspreet Kour; K A Aravinda Kumar; Praveen Kumar Verma; G Lakshma Reddy; Yaseen Hussain; Aliya Tabassum; Shilpi Balgotra; Sorav Gupta; Abhinandan D Hudwekar; Ram A Vishwakarma; Sanghapal D Sawant
Journal:  RSC Adv       Date:  2018-07-24       Impact factor: 4.036

5.  Oxidation of Hantzsch 1,4-dihydropyridines of pharmacological significance by electrogenerated superoxide.

Authors:  M E Ortiz; L J Núñez-Vergara; C Camargo; J A Squella
Journal:  Pharm Res       Date:  2004-03       Impact factor: 4.200

6.  Synthesis of new tripodal Hantzsch 1,4-dihydropyridines under solvent-free condition and their conversion to the corresponding tripodal pyridines.

Authors:  Mohammad Ali Zolfigol; Eskandar Kolvari; Abbas Abdoli; Morteza Shiri
Journal:  Mol Divers       Date:  2009-07-04       Impact factor: 2.943

7.  Copper triflate-mediated synthesis of 1,3,5-triarylpyrazoles in [bmim][PF6] ionic liquid and evaluation of their anticancer activities.

Authors:  V Kameshwara Rao; Rakesh Tiwari; Bhupender S Chhikara; Amir Nasrolahi Shirazi; Keykavous Parang; Anil Kumar
Journal:  RSC Adv       Date:  2013-09-21       Impact factor: 3.361

8.  Stable lead-halide perovskite quantum dots as efficient visible light photocatalysts for organic transformations.

Authors:  Sajan Pradhan; Deshaj Bhujel; Bikram Gurung; Debesh Sharma; Siddhant Basel; Sagarmani Rasaily; Surakcha Thapa; Sukanya Borthakur; Wai Li Ling; Lakshi Saikia; Peter Reiss; Anand Pariyar; Sudarsan Tamang
Journal:  Nanoscale Adv       Date:  2021-01-18

Review 9.  Synthesis of heteroaromatic compounds by oxidative aromatization using an activated carbon/molecular oxygen system.

Authors:  Yuka Kawashita; Masahiko Hayashi
Journal:  Molecules       Date:  2009-08-14       Impact factor: 4.411
  9 in total

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