Diastereoselective trifluoromethylation of chiral N-(Tolylsulfinyl)imines in the presence of Lewis bases

Chemistry Letters

Volumn 34, Issue 7, 2005, Pages 894-895

  Kawano, Yoshikazu ^a,b   Mukaiyama, Teruaki ^a,b  

^a KITASATO INSTITUTE   (Japan)

^b KITASATO UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 26044479168     PISSN: 03667022     EISSN: None     Source Type: Journal    
DOI: 10.1246/cl.2005.894     Document Type: Article

References (25)

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20. Recrystallization of compound 2a. (Chemical Equation Presented)
21. -3, T = 295 K. X-ray intensities were measured on a Rigaku AFC-5S diffractometer with graphite-monochromated Mo Kα radiation. The final R factors was 0.052 (Rw = 0.101 for all data) for 1519 reflections with I > 2σ(I).
22. 19F NMR chemical shift, which resonates at a higher field in the (Ss,R)-isomer than in the (Ss,S)-isomer.
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24. 21 = -6.7 (c 1.01, MeOH).
25. 4. After filtration and evaporation of the solvent, the resulted residue was purified by preparative TLC to give the desired product (57.1 mg, 91%) as a colorless prisms.