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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 24, 1994 - Issue 20
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Original Articles

Asymmetric Synthesis of (S)-4,5-Difluoro-2-Methylindoline

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Pages 2943-2953 | Received 17 Feb 1994, Published online: 23 Sep 2006

References

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  • Chemical schift of -CH2CH(OH)CH 3 of 5a and 6a was 1.23 and 1.45 ppm, respectively
  • Chemical schift of -CH2CH(OH)CH 3 of 5b and 6b was 1.47 and 1.26 ppm, respectively
  • HPLC: Yanaco L-4000S Pump. M-315 at 254 nm connected to Shimadzu C-R6A CHROMATOPAC. Col. CHIRALCEL OD, 4.60×250mm. Solvent system (v/v): n-Hexane: EtOH = 99: 1, flow rate 0.5 ml / min

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