- Chemo-enzymatic enantioconvergent approach toward ethyl shikimate from ethyl 5-hydroxy-3,4-isopropylidenedioxycyclohex-1-enecarboxylate
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An enantioconvergent route for natural form of ethyl shikimate was achieved from Diels-Alder adduct of furan and acryloyl chloride. The key step was a highly enantioselective (E >500) and efficient acetylation of ethyl (3R*,4S*,5S*)-5-hydroxy-3,4-isopropylidenedioxycyclohex-1- enecarboxylate, which had a diastereomeric relationship with ethyl shikimate, mediated by Burkholderia cepacia lipase (Amano PS-IM). Both of the resolved enantiomers were converted to natural form of ethyl shikimate by inversion at C-5 for the former and at C-3 and C-4 for the latter, respectively.
- Yamashita, Yasunobu,Hanaya, Kengo,Sugai, Takeshi,Mizushima, Tohru,Shoji, Mitsuru
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p. 6527 - 6532
(2013/07/26)
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