The synthesis of 2-nitroaryl-1,2,3,4-tetrahydroisoquinolines, nitro-substituted 5,6-dihydrobenzimidazo[2,1-a]isoquinoline N-oxides and related heterocycles as potential bioreducible substrates for the enzymes NAD(P)H: quinone oxidoreductase 1 and E. coli nitroreductase

Philip Burke, Lai Chun Wong, Terence Jenkins, Richard Knox, Stephen Stanforth

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

A series of 2-nitroaryl-1,2,3,4-tetrahydroisoquinolines 10 and nitro-substituted 5,6-dihydrobenzimidazo[2,1-a]isoquinoline N-oxides 11 have been synthesised and evaluated as potential bioreducible substrates for the enzymes NAD(P)H: quinone oxidoreductase 1 (NQO1) and Escherichia coli nitroreductase (NR). Also prepared and evaluated were 2-(3,5-dinitropyridin-2-yl)-1,2,3,4-tetrahydroisoquinoline 12 and 5,6-dihydro-10-nitropyrido[3″,2″:4′,5′]imidazo[2′,1′-a]isoquinoline 12-oxide 13. Both compounds 10b and 13 were reduced faster by human NQO1 than by CB-1954 [5-(aziridin-1-yl)-2,4-dinitrobenzamide].
Original languageEnglish
Pages (from-to)7447-7450
JournalBioorganic & Medicinal Chemistry Letters
Volume21
Issue number24
DOIs
Publication statusPublished - 2011

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