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EnglishBioreduction of PEG-acetoacetate 1 is achieved using dry baker's yeast in toluene with a small amount of added water. After detachment from the polymer under basic conditions, the corresponding (S)-(+)-3-hydroxybutanoic acid 3 was esterified with Me3SiCl and ethanol and ethyl (S)-(+)-3-hydroxybutanoate 4 was isolated with 97% e.e. and 70% overall yield.
| Titolo: | Baker's yeast reduction of PEG-linked acetoacetate | |
| Autori: | ||
| Data di pubblicazione: | 2005 | |
| Rivista: | ||
| Abstract: | Bioreduction of PEG-acetoacetate 1 is achieved using dry baker's yeast in toluene with a small amount of added water. After detachment from the polymer under basic conditions, the corresponding (S)-(+)-3-hydroxybutanoic acid 3 was esterified with Me3SiCl and ethanol and ethyl (S)-(+)-3-hydroxybutanoate 4 was isolated with 97% e.e. and 70% overall yield. | |
| Handle: | http://hdl.handle.net/11368/1690215 | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.2174/1570178053400135 | |
| Appare nelle tipologie: | 1.1 Articolo in Rivista |
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