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  • Title: Identification of a boron-containing intermediate in the boron tribromide mediated aryl propargyl ether cleavage reaction.
    Author: Yao ML, Reddy MS, Zeng W, Hall K, Walfish I, Kabalka GW.
    Journal: J Org Chem; 2009 Feb 06; 74(3):1385-7. PubMed ID: 19093827.
    Abstract:
    An alternate reaction mechanism for the boron tribromide mediated deprotection of aryl propargyl ethers based on the isolation of a key boron-containing byproduct is proposed. On the basis of the new mechanistic insight, we discovered that HBBr(2) x SMe(2) can also be used for cleaving aryl propargyl ethers.
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