Answers are grounded in this paper and cite their sources.
(4R)-[(1S)-1-[(tert-Butyldimethylsilyl)oxy]-1-(2-methoxy-4,5-methylenedioxyphenyl)methyl]-3-methylenedihydro-2(3H)-furanone and (4R)-[(1R)-1-[(tert-butyldimethylsilyl)oxy]-1-(2-methoxy-4,5-methylenedioxyphenyl)methyl]-3-methylenedihydro-2(3H)-furanone, which are key intermediates for the synthesis of 1,2-oxidized furofuran lignan, were each stereoselectively synthesized from L-glutamic acid.
No takes yet. Share an insight, caveat, or question.
Yamauchi et al. (1999) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: