Consistent supra-molecular motif of C(7) O-H⋯O hydrogen-bonded chains and different local symmetries in three iso-indole-4-carb-oxy-lic acid derivatives
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The syntheses and structures of (3aRS,4RS,9aSR)-3-oxo-2-(2-phenyl-eth-yl)-2,3,3a,4,9,9a-hexa-hydro-1H-benzo[f]iso-indole-4-carb-oxy-lic acid, C21H21NO3 (I), (3aRS,4RS,9aSR)-3-oxo-2-(propan-2-yl)-2,3,3a,4,9,9a-hexa-hydro-1H-benzo[f]iso-indole-4-carb-oxy-lic aci... ...
