Practical way for the synthesis of 3,3′-bis-substituted benzo[d][1,2]oxaphosphole 2-oxides by phosphonylation of in situ generated o-quinone methides

Add time:08/25/2019    Source:sciencedirect.com

Phosphonylation of the pretreated 2-(hydroxymethyl)phenol derivatives with acetic anhydride using trialkylphosphites as the nucleophilic reagents was reported, providing a practical way to the synthesis of novel highly steric 3,3′-bis-substituted benzo[d][1,2]oxaphosphole 2-oxides.

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