Peculiarities of the Reaction of 2-Amino-1,4-naphthoquinones with 2,2-Dihydroxy-1H-indene-1,3(2H)-dione


Citar

Texto integral

Acesso aberto Acesso aberto
Acesso é fechado Acesso está concedido
Acesso é fechado Somente assinantes

Resumo

—The reaction of 2-amino-1,4-naphthoquinones with ninhydrin at 50–60°C in acetic acid leads to 4b,11b-dihydroxy-4b,5-dihydrobenzo[f]indeno[1,2-b]indole-6,11,12(11bH)-triones. The products were isolated as hydrates, and, when heated in DMSO with methanesulfonic acid or in acetic acid in the presence of sulfuric acid, they converted into 13-R-benzo[f]isochromeno[4,3-b]indole-5,7,12(13H)-triones. The rate of the conversion of 4b,11b-dihydroxy-4b,5-dihydrobenzo[f]indeno[1,2-b]indole-6,11,12(11bH)-triones to 13-R-benzo[f]isochromeno[4,3-b]indole-5,7,12(13H)-triones in solutions of sulfuric acid in acetic acid is linearly related to the Hammett acidity function.

Sobre autores

L. Gornostaev

Astaf’ev Krasnoyarsk State Pedagogical University

Autor responsável pela correspondência
Email: gornostaev@kspu.ru
Rússia, ul. A. Lebedevoi 89, Krasnoyarsk, 660049

O. Fominykh

Astaf’ev Krasnoyarsk State Pedagogical University

Email: galina_stashina@chemical-block.com
Rússia, ul. A. Lebedevoi 89, Krasnoyarsk, 660049

T. Lavrikova

Astaf’ev Krasnoyarsk State Pedagogical University

Email: galina_stashina@chemical-block.com
Rússia, ul. A. Lebedevoi 89, Krasnoyarsk, 660049

Yu. Khalyavina

Astaf’ev Krasnoyarsk State Pedagogical University

Email: galina_stashina@chemical-block.com
Rússia, ul. A. Lebedevoi 89, Krasnoyarsk, 660049

Yu. Gatilov

Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch; Novosibirsk State University

Email: galina_stashina@chemical-block.com
Rússia, pr. Akademika Lavrentieva 9, Novosibirsk, 630090; ul. Pirogova 2, Novosibirsk, 630090

G. Stashina

Zelinskii Institute of Organic Chemistry

Autor responsável pela correspondência
Email: galina_stashina@chemical-block.com
Rússia, Leninskii pr. 47, Moscow, 119991

Arquivos suplementares

Arquivos suplementares
Ação
1. JATS XML

Declaração de direitos autorais © Pleiades Publishing, Ltd., 2019