Issue 24, 2016
From the journal:

Chemical Communications

Metal assisted cyclomerization of benzodipyrrins into expanded norroles, aza-heptalene and acyclic dimers†

Santosh C. Gadekar,a   Baddigam K. Reddy,a   Santosh P. Panchala  and  Venkataramanarao G. Anand*a  

* Corresponding authors

a Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune – 411008, Maharashtra, India
E-mail: vg.anand@iiserpune.ac.in

Abstract

Benzofused dipyrrins react with metal salt copper(II) acetate to predominantly yield a cyclodimer along with a cyclotrimer. N-confused monobenzo-dipyrrin cyclomerized to trioxo-expanded norrole 13a and an acyclic dimer 14 whereas doubly N-confused monobenzo and dibenzo-dipyrrins yielded aza-heptalene 15 and an acyclic dimer 16.

Graphical abstract: Metal assisted cyclomerization of benzodipyrrins into expanded norroles, aza-heptalene and acyclic dimers

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Article information

DOI
https://doi.org/10.1039/C5CC10356H
Article type
Communication
Submitted
17 Dec 2015
Accepted
29 Feb 2016
First published
04 Mar 2016

Chem. Commun., 2016,52, 4565-4568

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Metal assisted cyclomerization of benzodipyrrins into expanded norroles, aza-heptalene and acyclic dimers

S. C. Gadekar, B. K. Reddy, S. P. Panchal and V. G. Anand, Chem. Commun., 2016, 52, 4565 DOI: 10.1039/C5CC10356H

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