Synthesis of C-1 Deuterated 3-Formylindoles by Organophotoredox Catalyzed Direct Formylation of Indoles with Deuterated Glyoxylic Acid
Formylation
Glyoxylic acid
DOI:
10.1021/acs.orglett.2c01768
Publication Date:
2022-07-08T03:52:41Z
AUTHORS (6)
ABSTRACT
Direct formylation of feedstock indoles with newly developed, cost-effective deuterated glyoxylic acid as agent under visible light and air (O2) terminal oxidant has been developed. An isatin byproduct produced from the corresponding indole reactant serves a facilitator for process. The simple, mild, metal- oxidant-free protocol enables synthesis structurally diverse C1-deuterated 3-formylindoles broad functional group tolerance late-stage functionalization at high level D-incorporation (95–99%).
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