Selective Deprotection of Ethers by Low-Valent Titanium: Facile Cleavage of  Propargyl Ethers

Sandip K. Nayak; Suresh M. Kadam; Asoke Banerji

doi:10.1055/s-1993-22537

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Synlett 1993; 1993(8): 581-582
DOI: 10.1055/s-1993-22537

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Selective Deprotection of Ethers by Low-Valent Titanium: Facile Cleavage of Propargyl Ethers

Sandip K. Nayak^* , Suresh M. Kadam, Asoke Banerji

^*Bio-Organic Division, Bhabha Atomic Research Centre, Trombay, Bombay - 400 085, India

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Publication Date:
19 March 2002 (online)

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Selective deprotection of propargyl ethers of alcohols and phenols (12 examples) in the presence of allyl, benzyl and methyl ethers by low-valent titanium (TiCl₃-Mg-THF) is reported. Ease of cleavage is in the order propargyl > allyl > benzyl.

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