Compound 17
2,2-Dimethyl-4-oxobenzo[1,3]dioxin-5-yl triflate
From: Total synthesis of marinomycin A using salicylate as a molecular switch to mediate dimerization
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InChIKey WSWXKNDYQMEEKL-UHFFFAOYSA-N
Synthetic procedure: See article for the definitive version of this procedure and for full experimental details.
Compound 17 was prepared according to a literature procedure (Uchiyama, M. et al. Regiocontrolled intramolecular cyclizations of carboxylic acids to carbon-carbon triple bonds promoted by acid or base catalyst. Org. Lett. 8, 5517−5520 (2006)).