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Preparation and Crystal Structure of (1S, 5S, 7S, 8R)-8-Hydroxy-7-phenyl-2,6-dioxabicyclo[3.3.0]octan-3-one
2003
Molecules
The absolute configuration at two newly formed stereogenic centres (5S, 7S) during the key steps of the total synthesis of naturally occuring goniothalesdiol was established by single-crystal X-ray diffraction analysis relative to stereocentres (1S, 8R) of the title compound (alternatively named 3,6-anhydro-2-deoxy-6-phenyl-L-ido-1,4hexonolactone, C 12 H 12 O 4 ). The conformation of both 5-membered lactone and furanose fused rings is also discussed.
doi:10.3390/80700599
fatcat:hzbhqqh4vfg7nkcqabgagv7h4u