Synthesis of pentacyclic 13-azadibenzo[a,de]anthracenes via anionic cascade ring closure

Jesper Langgaard Kristensen; P. Vedsø; M. Begtrup

Synthesis of pentacyclic 13-azadibenzo[a,de]anthracenes via anionic cascade ring closure

Jesper Langgaard Kristensen, P. Vedsø, M. Begtrup

26 Citationer (Scopus)

Abstract

Bromine-lithium exchange using tert-butyllithium at -78 °C initiates a cascade process whereby either xanthone derivatives or pentacyclic 13-azadibenzo[a,de]anthracenes are produced in high yields. The reaction proceeds via a sequential intramolecular trapping of organolithium intermediates.

Originalsprog	Engelsk
Tidsskrift	Journal of Organic Chemistry
Vol/bind	68
Udgave nummer	10
Sider (fra-til)	4091-4092
Antal sider	2
ISSN	0022-3263
Status	Udgivet - 16 maj 2003

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title = "Synthesis of pentacyclic 13-azadibenzo[a,de]anthracenes via anionic cascade ring closure",

abstract = "Bromine-lithium exchange using tert-butyllithium at -78 °C initiates a cascade process whereby either xanthone derivatives or pentacyclic 13-azadibenzo[a,de]anthracenes are produced in high yields. The reaction proceeds via a sequential intramolecular trapping of organolithium intermediates.",

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T1 - Synthesis of pentacyclic 13-azadibenzo[a,de]anthracenes via anionic cascade ring closure

AU - Kristensen, Jesper Langgaard

AU - Vedsø, P.

AU - Begtrup, M.

PY - 2003/5/16

Y1 - 2003/5/16

N2 - Bromine-lithium exchange using tert-butyllithium at -78 °C initiates a cascade process whereby either xanthone derivatives or pentacyclic 13-azadibenzo[a,de]anthracenes are produced in high yields. The reaction proceeds via a sequential intramolecular trapping of organolithium intermediates.

AB - Bromine-lithium exchange using tert-butyllithium at -78 °C initiates a cascade process whereby either xanthone derivatives or pentacyclic 13-azadibenzo[a,de]anthracenes are produced in high yields. The reaction proceeds via a sequential intramolecular trapping of organolithium intermediates.

UR - http://www.scopus.com/inward/record.url?scp=0037950587&partnerID=8YFLogxK

M3 - Journal article

AN - SCOPUS:0037950587

SN - 0022-3263

VL - 68

SP - 4091

EP - 4092

JO - Journal of Organic Chemistry

JF - Journal of Organic Chemistry

IS - 10

ER -

Synthesis of pentacyclic 13-azadibenzo[a,de]anthracenes via anionic cascade ring closure

Abstract

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