Catalytic application of 1-(carboxymethyl)pyridinium iodide on the synthesis of pyranopyrazole derivatives

Catalytic application of 1-(carboxymethyl)pyridinium iodide on the synthesis of pyranopyrazole... Article history: In this investigation, acetic acid functionalized pyridinium salt, namely 1-(carboxymethyl)pyridinium Received 12 December 2015 iodide {[cmpy]I}, has been introduced as reusable catalyst for green, simple and efficient synthesis of Received in revised form 13 January 2016 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles by the Accepted 1 February 2016 one-pot tandem four-component condensation reaction of aryl aldehydes with ethyl acetoacetate, mal- Available online 3 February 2016 ◦ 1 13 ononitrile and hydrazine hydrate at 100 C under solvent-free conditions. Additionally, H and C NMR, mass, CHN analysis, Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), Keywords: thermal gravimetric analysis (TGA), differential thermal gravimetric (DTG), X-ray diffraction analysis Pyranopyrazole (XRD), and calculation of crystallite size and inter planer distance of the catalyst have been investigated. Tandem reaction © 2016 Elsevier B.V. All rights reserved. 1-(Carboxymethyl)pyridinium iodide Solvent-free 1. Introduction focused on the development of new protocols for the preparation of these compounds. Tandem reaction, as a modern protocol in organic transforma- Recently, we have introduced a new category of ionic liq- tions, is a reaction in which several bonds are formed in some uids and solid salts (with an organic cation), namely sulfonic acid sequences without separating of any intermediates, changing reac- functionalized http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Molecular Catalysis A: Chemical Elsevier

Catalytic application of 1-(carboxymethyl)pyridinium iodide on the synthesis of pyranopyrazole derivatives

Loading next page...
 
/lp/elsevier/catalytic-application-of-1-carboxymethyl-pyridinium-iodide-on-the-KlpGImr1bu
Publisher
Elsevier
Copyright
Copyright © 2016 Elsevier B.V.
ISSN
1381-1169
eISSN
1873-314X
D.O.I.
10.1016/j.molcata.2016.02.003
Publisher site
See Article on Publisher Site

Abstract

Article history: In this investigation, acetic acid functionalized pyridinium salt, namely 1-(carboxymethyl)pyridinium Received 12 December 2015 iodide {[cmpy]I}, has been introduced as reusable catalyst for green, simple and efficient synthesis of Received in revised form 13 January 2016 6-amino-4-(4-methoxyphenyl)-5-cyano-3-methyl-1-phenyl-1,4-dihydropyrano[2,3-c]pyrazoles by the Accepted 1 February 2016 one-pot tandem four-component condensation reaction of aryl aldehydes with ethyl acetoacetate, mal- Available online 3 February 2016 ◦ 1 13 ononitrile and hydrazine hydrate at 100 C under solvent-free conditions. Additionally, H and C NMR, mass, CHN analysis, Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), Keywords: thermal gravimetric analysis (TGA), differential thermal gravimetric (DTG), X-ray diffraction analysis Pyranopyrazole (XRD), and calculation of crystallite size and inter planer distance of the catalyst have been investigated. Tandem reaction © 2016 Elsevier B.V. All rights reserved. 1-(Carboxymethyl)pyridinium iodide Solvent-free 1. Introduction focused on the development of new protocols for the preparation of these compounds. Tandem reaction, as a modern protocol in organic transforma- Recently, we have introduced a new category of ionic liq- tions, is a reaction in which several bonds are formed in some uids and solid salts (with an organic cation), namely sulfonic acid sequences without separating of any intermediates, changing reac- functionalized

Journal

Journal of Molecular Catalysis A: ChemicalElsevier

Published: May 1, 2016

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off