Specificity of the cyclization of 1-alkyl(aryl)sulfonylamino-9,10-anthraquinones into naphtho[1,2,3-cd]indol-6(2H)-ones
- 1 October 2008
- journal article
- Published by Pleiades Publishing Ltd in Russian Journal of Organic Chemistry
- Vol. 44 (10), 1508-1511
- https://doi.org/10.1134/s1070428008100187
Abstract
Cyclization of N-(9,10-dioxo-9,10-dihydroanthracen-1-yl)methanesulfonamides to 2,6-dihydronaphtho[1,2,3-cd]indol-6-ones in DMSO-KOH involves intermediate formation of 2,3-dihydroanthra[1,9-cd]-[1λ6,2]thiazin-7-one 2,2-dioxides, whereas heterocyclization of N-(9,10-dioxo-9,10-dihydroanthracen-1-yl)-ethane- and -arenesulfonamides under analogous conditions occurs with participation of methylsulfonylmethanide.Keywords
This publication has 2 references indexed in Scilit:
- A simple route to 2,6-dihydronaphtho[1,2,3-cd]indol-6-onesRussian Journal of Organic Chemistry, 2006
- Biosynthese der Verrucarine und Roridine. Teil 2 Der Einbau von Acetat in die cis,trans‐Muconsäure und von Mevalonat in die Roridinsäure Verrucarine und Roridine, 28. Mitteilung [2]Helvetica Chimica Acta, 1975