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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 27, 1997 - Issue 7
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Original Articles

A New, Efficient, Two Step Procedure for the Preparation of the Antineoplastic Agent Sparfosic Acid

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Pages 1259-1266 | Received 27 Aug 1996, Published online: 22 Aug 2006

References and notes

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  • The exception to this is ref. 6e.
  • For example see ref. 1, 6e, 7a-c.
  • This is opposed to the instability of alternative acid labile trimethylsilyl esters protection groups employed throughout the methodology of Stiebitz et al.6e whereupon purification by distillation or anhydrous chromatography became obligatory.
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  • Following results from a kinetic study, the reaction was left for 6h at rt. The mixture was then concentrated, hydrolysed and lyophilysed, and resulting composition analysed by 1H NMR and reverse phase HPLC analysis.

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