Synthesis and intramolecular cyclization of diethylphosphono-substituted allenic glycols
VK Brel
Index: Brel Synthesis, 2001 , # 10 p. 1539 - 1545
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Citation Number: 13
Abstract
Abstract This paper describes a convenient and efficient synthesis of new (2R)-5-substituted- 5-(diethylphosphono)-penta-3, 4-dien-1, 2-diols. Phosphorylated allenic glycols are stable enough compounds, but under basic conditions they cyclized to (3R)-5-(3-hydroxy-2, 3- dihydrofuryl)(diethylphosphono) alkanes through intramolecular nucleophilic addition of the terminal alkoxide to the central carbon atom of the allene system. Treatment of (3R)-5-(3- ...
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