1-Acryloyl-2-cyanoindoles were found to be novel and efficient skeletons in visible-light-induced persulfate-promoted cascade cyclization reactions. With this transition-metal-free photocatalytic procedure, various sulfonated/thiocyanated pyrrolo[1,2-]indolediones were synthesized from 1-acryloyl-2-cyanoindoles with sulfonyl hydrazides/NHSCN at room temperature under mild reaction conditions.
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| http://dx.doi.org/10.1021/acs.orglett.2c00927 | DOI Listing |
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