Additions and corrections
A short synthesis of biologically active lignan analogues
S. Kamlage, M. Sefkow, B. L. Pool-Zobel and M. G. Peter
Chem. Commun., 2001, 331 (DOI: 10.1039/b008499i). Amendment published 22nd February 2001.
The cytotoxic activity of compound 1f is IC50 = 40 μM, not IC50 = 40 mM as published in the third last paragraph.
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.