Abstract
A concise photocatalytic strategy starting from the commercial trifluoromathanesulfonyl chloride, low-cost alcohols and easily available 1,6-enynes was developed, enabling trifluoromethylation/5-exo-dig-cyclization/etherification cascade to produce 1-indanones containing vinyl ether and CF3 groups with moderate to good yields. The present protocol holds the advantages of the construction of two CC and one CO in the one-pot operation, low photocatalyst loading without the use of any oxidant. Diversified alcohols can be suited to the rapid annulation reaction to prepare the construction of vinyl ethers.
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