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. 2006 Jul 27;41(9):1084–1089. doi: 10.1016/j.ejmech.2006.03.024

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Copyright © 2006 Elsevier SAS. All rights reserved.

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Scheme 1 — Synthesis of compounds 5–21. (a) P(OCH₂CH₃)₃, (n-Bu)₄NI, 100–120 °C; (b) methoxy benzaldehyde, NaH, THF, room temperature; (c) BBr₃, CH₂Cl₂, 20–40 °C.