Issue 93, 2015
From the journal:

RSC Advances

Regioselective synthesis of a vitamin K3 based dihydrobenzophenazine derivative: its novel crystal structure and DFT studies†

Dattatray Chadar,a   Soniya S. Rao,a   Shridhar P. Gejji,a   Bharat Ugale,b   C. M. Nagaraja,b   Milind Nikaljea  and  Sunita Salunke-Gawali*a  

* Corresponding authors

a Department of Chemistry, Savitribai Phule Pune University, Pune 411007, India
E-mail: sunitas@chem.unipune.ac.in
Fax: +91 2025693981
Tel: +91 2025601397 ext. 531

b Department of Chemistry, Indian Institute of Technology, Ropar, Rupnagar-140001, Punjab, India

Abstract

A novel acid catalyzed regioselective Michael addition of o-phenylenediamine to vitamin K3 has been carried out to synthesize a dihydrobenzophenazine derivative viz. 6a-methyl-6a,7-dihydrobenzo[α]phenazin-5(6H)-one (1). The compound has been characterized using the single crystal X-ray diffraction and density functional theory.

Graphical abstract: Regioselective synthesis of a vitamin K3 based dihydrobenzophenazine derivative: its novel crystal structure and DFT studies

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Article information

DOI
https://doi.org/10.1039/C5RA13169C
Article type
Communication
Submitted
06 Jul 2015
Accepted
01 Sep 2015
First published
01 Sep 2015

RSC Adv., 2015,5, 76419-76423

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Regioselective synthesis of a vitamin K3 based dihydrobenzophenazine derivative: its novel crystal structure and DFT studies

D. Chadar, S. S. Rao, S. P. Gejji, B. Ugale, C. M. Nagaraja, M. Nikalje and S. Salunke-Gawali, RSC Adv., 2015, 5, 76419 DOI: 10.1039/C5RA13169C

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