Literature DB >> 26166866

FeNH4(SO4)2·12H2O (alum)-catalyzed preparation of 1,4-dihydropyridines: improved conditions for the Hantzsch reaction.

Ali A Mohammadi1, Armin Hadadzahmatkesh1, Mohammad R Asghariganjeh2.   

Abstract

ABSTRACT: FeNH4(SO4)2·12H2O (alum) efficiently catalyzes the one-pot three-component reaction of dimedone, aldehydes, and 3-aminocrotonate to afford 1,4-dihydropyridines. The work-up is easy, and the products are obtained in good to excellent yields and high purity.

Entities:  

Keywords:  1,4-Dihydropyridines; FeNH4(SO4)2·12H2O; Hantzsch reaction; Multi-component reactions

Year:  2011        PMID： 26166866      PMCID： PMC4495042          DOI： 10.1007/s00706-011-0672-6

Source DB:  PubMed          Journal:  Monatsh Chem        ISSN： 0026-9247            Impact factor:   1.451


  5 in total

1.  An efficient one-pot synthesis of polyhydroquinolines at room temperature using HY-zeolite.

Authors:  Biswanath Das; Bommena Ravikanth; Ravirala Ramu; Bommena Vittal Rao
Journal:  Chem Pharm Bull (Tokyo)       Date:  2006-07       Impact factor: 1.645

2.  A stereoselective three-component reaction: KAl(SO4)2.12H2O, an efficient and reusable catalyst for the one-pot synthesis of cis-isoquinolonic acids.

Authors:  Javad Azizian; Ali A Mohammadi; Ali R Karimi; Mohammad R Mohammadizadeh
Journal:  J Org Chem       Date:  2005-01-07       Impact factor: 4.354

3.  Multicomponent one-pot reactions: synthesis of some new 6-oxopyrano [2,3-c]isochromenes by condensation of homophthalic anhydride, dialkyl acetylenedicarboxylate, and isocyanides.

Authors:  Ali A Mohammadi; Roya Akbarzadeh; Hamed Rouhi
Journal:  Comb Chem High Throughput Screen       Date:  2009-06       Impact factor: 1.339

4.  Model studies toward the synthesis of dihydropyrimidinyl and pyridyl alpha-amino acids via three-component Biginelli and Hantzsch cyclocondensations.

Authors:  Alessandro Dondoni; Alessandro Massi; Erik Minghini; Simona Sabbatini; Valerio Bertolasi
Journal:  J Org Chem       Date:  2003-08-08       Impact factor: 4.354

5.  P-TSA catalyzed facile and efficient synthesis of polyhydroquinoline derivatives through hantzsch multi-component condensation.

Authors:  Sanjeeva Reddy Cherkupally; Raghu Mekala
Journal:  Chem Pharm Bull (Tokyo)       Date:  2008-07       Impact factor: 1.645
  5 in total
  1 in total

1.  Alum catalyzed simple, efficient, and green synthesis of 2-[3-amino-5-methyl-5-(pyridin-3-yl)-1,5-dihydro-4H-1,2,4-triazol-4-yl]propanoic acid derivatives in aqueous media.

Authors:  Harshita Sachdeva; Diksha Dwivedi; Rekha Saroj
Journal:  ScientificWorldJournal       Date:  2013-10-29
  1 in total

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