Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
An expedient route to 2,3-substituted and fused benzo[a]quinolizine-4-thione framework via ring annulation with beta-oxodithioesters
Autore:
Roy, A; Nandi, S; Ila, H; Junjappa, T;
Indirizzi:
Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, India IndianInst Technol Kanpur Uttar Pradesh India 208016 ttar Pradesh, India
Titolo Testata:
ORGANIC LETTERS
fascicolo: 2, volume: 3, anno: 2001,
pagine: 229 - 232
SICI:
1523-7060(20010125)3:2<229:AERT2A>2.0.ZU;2-K
Fonte:
ISI
Lingua:
ENG
Soggetto:
PROTOBERBERINE ALKALOIDS; SYSTEM; AFFINITY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
49
Recensione:
Indirizzi per estratti:
Indirizzo: Ila, H Indian Inst Technol, Dept Chem, Kanpur 208016, Uttar Pradesh, IndiaIndian Inst Technol Kanpur Uttar Pradesh India 208016 adesh, India
Citazione:
A. Roy et al., "An expedient route to 2,3-substituted and fused benzo[a]quinolizine-4-thione framework via ring annulation with beta-oxodithioesters", ORG LETT, 3(2), 2001, pp. 229-232

Abstract

[GRAPHICS]An efficient highly convergent route to hitherto unreported 2,3-substituted and annulated benzo[a]quinolizine-4-thiones 3 has been developed. The methodology involves ring annulation of 3,4-dihydro-6,7-dimethoxy-1-methylisoquinoline 1 with a variety of readily accessible acyclic and cyclic beta -oxodithioesters 2 in the presence of triethylamine in refluxing benzene. These benzo[a]quinolizine-4-thiones can be readily converted to the corresponding benzo[a]quinolizine-4-ones 5 via dethiomethylative hydrolysis of the respective benzo[a]quinolizinium salts 4 obtained by alkylation of 3 with methyl iodide.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/03/20 alle ore 15:20:20