One-Pot Synthesis of Novel Pyrrolo[1,2-a]quinoxaline-4(5H)-ones Using Benzene-1,2-diamine, Acetylenedicarboxylates, and β-Nitrostyrene Derivatives

The reaction between a variety of o‐phenylenediamines (=benzene‐1,2‐diamines), dialkyl acetylenedicarboxylates, and derivatives of nitrostyrene (=(E)‐(2‐nitroethenyl)benzene) in the presence of sulfamic acid (SA; H3NSO3) as catalyst led to the corresponding pyrrolo[1,2‐a]quinoxaline‐4(5H)‐one deriva...

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Bibliographic Details
Published in:Helvetica chimica acta 2014-05, Vol.97 (5), p.646-651
Main Authors: Moradi, Loghman, Piltan, Mohammad, Abasi, Golaleh
Format: Article
Language:English
Subjects:
2-a]quinoxaline
2-diamines
Acetylene dicarboxylates
Benzene-1
Benzene‐1,2‐diamines
Multicomponent reactions (MCRs)
nitro
Pyrrolo
Pyrrolo[1,2‐a]quinoxaline
Styrene
Styrene, nitro
Sulfamic acid
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Summary:The reaction between a variety of o‐phenylenediamines (=benzene‐1,2‐diamines), dialkyl acetylenedicarboxylates, and derivatives of nitrostyrene (=(E)‐(2‐nitroethenyl)benzene) in the presence of sulfamic acid (SA; H3NSO3) as catalyst led to the corresponding pyrrolo[1,2‐a]quinoxaline‐4(5H)‐one derivatives in high yields.
ISSN:0018-019X
1522-2675
DOI:10.1002/hlca.201300209