Synthesis of three branched iminosugars [(3R,4R,5S)-3-(hydroxymethyl) piperidine-3,4,5-triol, (3R,4R,5R)-3-(hydroxymethyl)piperidine-3,4,5-triol and (3S,4R,5R)-3-(hydroxymethyl)piperidine-3,4,5-triol] and a branched trihydroxynipecotic acid [(3R,4R,5R)-3,4,5-trihydroxypiperidine-3-carboxylic acid] from sugar lactones with a carbon substituent at C-2

1. Simone, M.I.
2. Soengas, R.G.
3. Jenkinson, S.F.
4. Evinson, E.L.
5. Nash, R.J.
6. Fleet, G.W.J.