Additions and corrections

A concise and chemoenzymatic synthesis of (−)-gabosine A, a carba-sugar enone from Streptomycetes

Martin G. Banwell, Andrew M. Bray and David J. Wong

New J. Chem., 2001, 25, 1351 (DOI: 10.1039/b106419c). Amendment published 23rd November 2001.

Scheme 1 was accidentally omitted; instead, Scheme 2 was shown twice. The correct Scheme 1 is reproduced below.

Scheme 1 Reagents and conditions: (i) TBDPSCl (1.1 mol equiv.), imidazole (3.2 mol equiv.), CH₂Cl₂, 18 °C, 1.5 h; (ii) OsO₄ (cat.), NMMNO (1.5 mol equiv.), acetone–H₂O (1 : 1 v/v), 60 °C, 1 h; (iii) TBDMSOTf (2 mol equiv.), Et₃N (3 mol equiv.), CH₂Cl₂, −78 to 18 °C, 1 h; (iv) oxalyl chloride (5 mol equiv.), DMSO (10 mol equiv.), −78 °C, 1 h, then Et₃N (10 mol equiv.), −78 to −10 °C, 0.5 h.

The Royal Society of Chemistry apologises for these errors and any subsequent inconvenience to authors and readers.

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