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Symmetry Breaking of Novel C 2 Chiral Across-Ring 1,3-Dienes. -Two different strategies for efficient C 2 symmetry breaking of enantiomerically pure C 2 across-ring 1,3-dienes are described. -(NOHEDA, P.; GARCIA-RUIZ, G.; POZUELO, M. C.; ABBASSI, K.; PASCUAL-ALFONSO, E.; ALONSO, J. M.; JIMENEZ-BARBERO, J.; J.

biochemical syntheses, microbiological syntheses biochemical syntheses, microbiological syntheses O 0035 -044Chemoenzymatic Synthesis of Chiral Cyclic Compounds: Efficient Kinetic Resolution of 2-Bromo-2-cyclohexenol.-The enantioselectivity is found to depend on the used enzyme and solvent. Best results are observed using porcine pancreas lipase in Et2O. In addition, it is shown that the ring size and the nature of substituent at C-2 strongly affect the enantioselectivity. -(NOHEDA, P.; GARCIA, G.; POZUELO, M. C.; HERRADON,