Synthesis of chiral pyrrolidine derivatives from (S)-pyroglutamic acid. I: 7-Substituted (2R,5S)-2-aryl-1-aza-3-oxabicyclo[3.3.0]octan-8-ones, 7- substituted (2R,5S)-2-aryl-1-aza-3-oxabicyclo[3.3.0]oct-6-en-8-ones and 3- substituted (S)-5-(hydroxymethyl)-2-pyrrolidinones

Article abstract of DOI:10.1248/cpb.43.1081

The following chiral pyrrolidine derivatives, 7-substituted (2R,5S)-2- aryl-1-aza-3-oxabicyclo[3.3.0]octan-8-ones (18-24), 7-substituted (2R,5S)-2- aryl-1-aza-3-oxabicyclo[3.3.0]oct-6-en-8-ones (25-29) and 3-substituted (S)- 5-(hydroxymethyl)-2-pyrrolidinones (30-34), were synthesized starting from (S)-pyroglutamic acid and their absolute configurations were determined based on their ¹H-NMR spectra.

Full text of DOI:10.1248/cpb.43.1081

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