Abstract
We describe the syntheses of the proposed structure of diphenyl ether oxyneolignan, apteniol A and its derivatives. The diphenyl ether moiety of proposed apteniol A was formed via Ullmann ether synthesis, but the spectral data of the synthesized apteniol A did not agree with that in previous studies. The dimethyl ester derivative of the proposed apteniol A was found to enhance neurite outgrowth in PC12 cells and inhibit antigen-induced degranulation in RBL-2H3 cells.
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