Issue 64, 2018

A nitroalkane-based approach to one-pot three-component synthesis of isocryptolepine and its analogs with potent anti-cancer activities

Abstract

A second generation polyphosphoric acid-mediated one-pot three-component synthesis of indoloquinoline scaffold is developed. This improved version of the process involves electrophilically activated nitroalkanes for the installation of strategic C–C and C–N bonds and ring C assembly. This modification allows the elimination of unnecessary solvent change operations and all steps are carried out in a true, uninterrupted one-pot manner. A further improvement involves the possibility to install an ortho-amino group in situ. A synthetic application of this method is showcased by the concise synthesis of an isocryptolepine alkaloid and its synthetic analogs with potent anticancer activities.

Graphical abstract: A nitroalkane-based approach to one-pot three-component synthesis of isocryptolepine and its analogs with potent anti-cancer activities

Supplementary files

Article information

Article type
Paper
Submitted
01 out 2018
Accepted
23 out 2018
First published
01 nov 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 36980-36986

A nitroalkane-based approach to one-pot three-component synthesis of isocryptolepine and its analogs with potent anti-cancer activities

N. A. Aksenov, Alexander V. Aksenov, A. Kornienko, A. De Carvalho, V. Mathieu, D. A. Aksenov, S. N. Ovcharov, G. D. Griaznov and M. Rubin, RSC Adv., 2018, 8, 36980 DOI: 10.1039/C8RA08155G

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