A facile synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via one-pot multicomponent [3+2] cycloaddition of azomethine ylides

A facile one-pot synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via multicomponent-[3+2]-cycloaddition of azomethine ylides is described. The methodology is very simple and applicable to a wide variety of ferrocene derived dipolarophiles. The structures of cycloadducts w...

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Bibliographic Details
Published in:Tetrahedron letters 2012-12, Vol.53 (49), p.6676-6681
Main Authors: Suresh Babu, A.R., Gavaskar, D., Raghunathan, R.
Format: Article
Language:English
Subjects:
1,2-Phenylenediammine
Azomethine ylide
Cycloaddition
Ferrocene
Pyrrolizidines
Spiro-indenoquinoxaline
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Summary:A facile one-pot synthesis of novel ferrocene grafted spiro-indenoquinoxaline pyrrolizidines via multicomponent-[3+2]-cycloaddition of azomethine ylides is described. The methodology is very simple and applicable to a wide variety of ferrocene derived dipolarophiles. The structures of cycloadducts were confirmed by spectroscopic analysis. X-ray analysis of one of the analogs, adds conclusive support to the proposed structures.
ISSN:0040-4039
1873-3581
DOI:10.1016/j.tetlet.2012.09.104