[3 + 2] cycloaddition reactions: a simple entry to the...

2004 Carbohydrates U 0500 [3 + 2] Cycloaddition Reactions: A Simple Entry to the 1-Aza-2-oxo-3,4,5,6-tetra- hydroxybicyclo[3.3.0]octane Ring System. — The synthesis of chiral tetrahydroxy- lated bicyclic lactams such as (V)-(VII) is based on the formation of bicyclic isoxazo- lidines derived from carbohydrates via intramolecular nitrone cycloaddition. — (ROY, A.; ROY, B. G.; ACHARI, B.; MANDAL*, S. B.; Tetrahedron Lett. 45 (2004) 30, 5811-5814; Dep. Med. Chem., Indian Inst. Chem. Biol., Jadavpur, Calcutta 700 032, India; Eng.) — Mais 44- 221

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Page 1: [3 + 2] Cycloaddition Reactions: A Simple Entry to the 1-Aza-2-oxo-3,4,5,6-tetrahydroxybicyclo[3.3.0]octane Ring System

2004

CarbohydratesU 0500 [3 + 2] Cycloaddition Reactions: A Simple Entry to the 1-Aza-2-oxo-3,4,5,6-tetra-

hydroxybicyclo[3.3.0]octane Ring System. — The synthesis of chiral tetrahydroxy-lated bicyclic lactams such as (V)-(VII) is based on the formation of bicyclic isoxazo-lidines derived from carbohydrates via intramolecular nitrone cycloaddition. — (ROY, A.; ROY, B. G.; ACHARI, B.; MANDAL*, S. B.; Tetrahedron Lett. 45 (2004) 30, 5811-5814; Dep. Med. Chem., Indian Inst. Chem. Biol., Jadavpur, Calcutta 700 032, India; Eng.) — Mais

44- 221

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