| http://www.w3.org/ns/prov#value | - Chem. 1999, 42, 3356-3368, is protected as the t-butyldimethylsilyl ether XIV. Generation of the benzylic carbanion with a strong base such as lithium bis(trimethylsilyl)amide, and subsequent reaction with a suitable alkylating agent gives XV. Deprotection of the t-butyldimethylsilyl ether gives primary alcohol XVI, which is converted to aldehyde XVII by a Swern oxidation.
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