Journal
ORGANIC LETTERS
Volume 18, Issue 14, Pages 3482-3485Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b01686
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Funding
- University of Ottawa
- NSERC
- CFI
- Ontario MAI
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A copper-catalyzed cascade reaction of in situ generated nitrogen-substituted isocyanates (N-isocyanates) and 2-iodoanilines has been developed. The cascade relies on the base-catalyzed substitution of masked N-isocyanates, followed by Cu(I)-catalyzed coupling to afford a variety of 1-amino-benzimidazolones in moderate to excellent yields. This is the first example of a transition-metal-catalyzed cascade reaction involving N-isocyanate intermediates.
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