An alkoxyamine linker was applied for the solid-phase synthesis of benzazoles, quinazolines, and quinazolinones. Aromatic aldehydes were anchored by aldoxime linkage. After some reactions on a solid support, the products were cleaved with paraformaldehyde under the acidic conditions to afford the corresponding aldehydes, which were subsequently subjected to oxidative coupling with 2-substituted anilines under air atmosphere to give the desired compounds. (C) 2014 Elsevier Ltd. All rights reserved.
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Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China
Sun, Li-Ping
Dai, Wei-Min
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Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R ChinaHong Kong Univ Sci & Technol, Dept Chem, Kowloon, Hong Kong, Peoples R China