Base-Dependent Divergent Annulation of 4-Chloro-3-formylcoumarin and Tetrahydroisoquinoline: Application to the Synthesis of Isolamellarins and Hydroxypyrrolones

A series of pyrrolo[2,1-a]isoquinoline and coumarin-fused pentacyclic derivatives were synthesized via base-mediated divergent annulation of 4-chloro-3-formylcoumarin and tetrahydroisoquinoline as a key step. This method was then extended to the preparation of isolamellarins A and B (isolamellarin G...

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Vydané v:Journal of organic chemistry Ročník 84; číslo 6; s. 3662 - 3670
Hlavní autori: Vyasamudri, Sameer, Yang, Ding-Yah
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: WASHINGTON Amer Chemical Soc 15.03.2019
Predmet:
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
LAMELLARIN-ALPHA 20-SULFATE
CHILENINE
INHIBITORS
DERIVATIVES
ALKALOIDS
ISSN:0022-3263, 1520-6904, 1520-6904
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Popis
Shrnutí:A series of pyrrolo[2,1-a]isoquinoline and coumarin-fused pentacyclic derivatives were synthesized via base-mediated divergent annulation of 4-chloro-3-formylcoumarin and tetrahydroisoquinoline as a key step. This method was then extended to the preparation of isolamellarins A and B (isolamellarin G trimethyl ether). When exposed to UV light, the pyrrolo[2,1-a]isoquinoline- and coumarin-fused pentacycles B were found to undergo aerobic oxidation to give the corresponding hydroxypyrrolones.
Bibliografia:ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0022-3263
1520-6904
1520-6904
DOI:10.1021/acs.joc.8b03259