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![Page 1: 1,3-Dipolar Cycloaddition of 2- and 3-Nitroindoles with Azomethine Ylides. A New Approach to Pyrrolo[3,4-b]indoles](https://reader042.pdfslide.net/reader042/viewer/2022020508/575003bd1a28ab11489ad2a4/html5/page/1.jpg)
2007
Fused pyrrole derivativesR 0160 1,3-Dipolar Cycloaddition of 2- and 3-Nitroindoles with Azomethine Ylides.
A New Approach to Pyrrolo[3,4-b]indoles. — The reaction affords the desired ring system with good to excellent yields. A denitration with Bu3SnH/AIBN is only possible in the case of 3-nitroindoles. — (ROY, S.; KISHBAUGH, T. L. S.; JASINSKI, J. P.; GRIBBLE*, G. W.; Tetrahedron Lett. 48 (2007) 8, 1313-1316; Dep. Chem., Dartmouth Coll., Hanover, NH 03755, USA; Eng.) — Mais
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