A novel approach to 1-pyrrolo[3,2-]pyridine-2,3-diones (5-azaisatins) has been developed via an unprecedented annulation of pyrrolo[2,1-][1,4]benzoxazine-1,2,4-triones by thioacetamide. A new way of C-H functionalization of thioacetamide has been discovered. The reaction proceeds under green catalyst-free conditions.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6369991 | PMC |
| http://dx.doi.org/10.3762/bjoc.15.32 | DOI Listing |
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