Enantiodivergent chemoenzymatic synthesis of (R)-and (S)-β-proline in high optical purity
C Mazzini, J Lebreton, V Alphand…
Index: Journal of Organic Chemistry, , vol. 62, # 15 p. 5215 - 5218
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Citation Number: 63
Abstract
... 5216 J. Org. Chem., Vol. 62, No. 15, 1997 Notes Page 3. ... The organic phase was dried on MgSO4 and concen- trated to give, after flash chromatography, (S)-(-)4 (2.0 g, 95%) as an undistillable colorless oil: [R]25 D ) -8.4 (c ) 2.1, CH2Cl2); 1H-NMR δ 1.63 (dd, J ) 11.9, 6.5, 2H ...
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