Publication Cover
Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 43, 2013 - Issue 11
1,090
Views
9
CrossRef citations to date
0
Altmetric
Original Articles

Imidazole-Promoted Synthesis of N-Substituted Phthalimide from N,N′-Disubstituted Ureas in Solventless Conditions

, &
Pages 1571-1576 | Received 22 Nov 2011, Published online: 06 Mar 2013
 

Abstract

A series of N-substituted phthalimides was synthesized by a thermal reaction between N,N′-disubstituted ureas and phthalic acid catalyzed by imidazole in solventless conditions. The products have been obtained in moderate to good yields (53–92%).

Supplemental materials are available for this article. Go to the publisher's online edition of Synthetic Communications® to view the free supplemental file.

GRAPHICAL ABSTRACT

ACKNOWLEDGMENTS

The authors are grateful to Pernambuco State Foundation of Science and Technology (FACEPE-PRONEM No. 1232.1.06/10) for financial support and DQF-UFPE for obtaining the spectral data.

Notes

a Chemical yield of pure product after recrystallization from ethanol.

b Experiment performed employing 2 eq. of urea and 1.5 eq. of imidazole.

a Experiment has been done at 25-mmol scale.

Log in via your institution

Log in to Taylor & Francis Online

PDF download + Online access

  • 48 hours access to article PDF & online version
  • Article PDF can be downloaded
  • Article PDF can be printed
USD 61.00 Add to cart

Issue Purchase

  • 30 days online access to complete issue
  • Article PDFs can be downloaded
  • Article PDFs can be printed
USD 422.00 Add to cart

* Local tax will be added as applicable

Related Research

People also read lists articles that other readers of this article have read.

Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine.

Cited by lists all citing articles based on Crossref citations.
Articles with the Crossref icon will open in a new tab.