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Reaction between enaminones and acetylenic esters in the presence of triphenylphosphine: a convenient synthesis of alkyl 2(1-benzyl-2,4-dioxo-2,3,4,5,6,7-hexahydro-1H-indol-3-yl)acetates

✍ Scribed by Nasiri, Farough; Bayzidi, Massood; Zolali, Amin

Book ID
115468425
Publisher
Springer
Year
2012
Tongue
English
Weight
223 KB
Volume
16
Category
Article
ISSN
1381-1991

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## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.

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An intramolecular Diels-Alder-type cycloaddition between an indole and a 1,2,4,5-tetrazine produced the title compound, C 29 H 26 N 4 O 4 , the first example of a pentaheterocyclic structure obtained via loss of nitrogen and addition of the elements of acetic anhydride. Of the four N atoms in the mo