2022
DOI: 10.1002/slct.202200166
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Recent Examples in the Synthesis and Functionalization of C−H Bonds in Pyrrolo/Indolo [1,2‐a]Quinoxalines

Abstract: As important molecules that find ubiquitous applications in organic synthesis, medicinal chemistry, and functional materials, pyrrolo/indolo [1,2‐a]quinoxalines have attracted substantial attention. This review features recent development, since 2019, on methods for synthesis of such fused N,N‐heterocycles. In addition, the latest examples related to direct functionalization of C−H bonds in pyrrolo/indolo [1,2‐a]quinoxalines will be discussed as well.

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“… 1 Recent studies feature new methods to develop the library of substituted pyrrolo[1,2- a ]quinoxalines, which were traditionally limited to Pictet–Spengler-type annulation products. 2 Perhaps intangible benefits such as convenient diversification and short synthesis would be considered should direct functionalization of C–H bonds in pyrrolo[1,2- a ]quinoxalines be successful. Thus far, methods to forge new carbon–carbon and carbon-heteroatom bonds in pyrrolo[1,2- a ]quinoxalines have been reported.…”
mentioning
confidence: 99%
“… 1 Recent studies feature new methods to develop the library of substituted pyrrolo[1,2- a ]quinoxalines, which were traditionally limited to Pictet–Spengler-type annulation products. 2 Perhaps intangible benefits such as convenient diversification and short synthesis would be considered should direct functionalization of C–H bonds in pyrrolo[1,2- a ]quinoxalines be successful. Thus far, methods to forge new carbon–carbon and carbon-heteroatom bonds in pyrrolo[1,2- a ]quinoxalines have been reported.…”
mentioning
confidence: 99%