Additions and corrections
Intramolecular acylative ring-switching reactions of 3-(tetrahydro-2'-furyl)propanoic acid derivatives to give butanolides: mechanism and scope
David H. Grayson, Úna McCarthy and Edwin D. Roycroft
Org. Biomol. Chem., 2003, 1, 1930–1937 (DOI: 10.1039/b301329b). Amendment published 11th September 2003.
The structural formulae for (+)-R-13 and (+)-R-14 on page 1932 are incorrect. The correct structures are shown below.
The Royal Society of Chemistry apologises for these errors and any consequent inconvenience to authors and readers.