Synthetic Communications p. 2441 - 2456 (2010)
Update date:2022-08-05
Topics:
Zhong, Weihui
Jiang, Lingbo
Guo, Baoming
Wu, Yaotiao
Hong, Lingjuan
Chen, Yanhui
A new type of Baylis-Hillman adducts derived from chlorovinyl aldehydes were prepared via Vilsmeier reaction of ketones with a bis(trichloromethyl) carbonate (BTC)/DMF system to construct chlorovinyl aldehydes, followed by sonochemical Baylis-Hillman reaction under solvent-free conditions. The stereoselective bromination of these new compounds with a Br2-Ph3P system has been achieved efficiently with good to excellent yields under mild conditions. Copyright Taylor & Francis Group, LLC.
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