The absolute configuration at C‐3 was determined starting from (3S)‐butylphthalide as an educt for hydrogenation and epimerization. Absolute configurations of all eight 3‐butylhexahydrophtbalide stereoisomers are unambiguously concluded from the NOE‐experi‐ments in connection with the determin...
The absolute configuration at C-3 was determined starting from (3S)-butylphthalide as an educt for hydrogenation and epimerization. Absolute configurations of all eight 3-butylhexahydrophtbalide stereoisomers are unambiguously concluded from the NOE-experi-ments in connection with the determinatioDietmar...