Diastereoselective synthesis of β-amino-α-hydroxy phosphonates via oxazaborolidine catalyzed reduction of β-phthalimido-α-keto phosphonates

Reduction of β-phthalimido-α-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with boranes and oxazaborolidine as catalyst, afforded β-phthalimido-α-hydroxy phosphonates in good yields and high diastereoselectivity. Deprotection of...

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Published inTetrahedron letters Vol. 40; no. 43; pp. 7705 - 7708
Main Authors Barco, Achille, Benetti, Simonetta, Bergamini, Paola, De Risi, Carmela, Marchetti, Paolo, Pollini, Gian P., Zanirato, Vinicio
Format Journal Article
LanguageEnglish
Published OXFORD Elsevier Ltd 22.10.1999
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Abstract Reduction of β-phthalimido-α-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with boranes and oxazaborolidine as catalyst, afforded β-phthalimido-α-hydroxy phosphonates in good yields and high diastereoselectivity. Deprotection of the amino group gave the title compounds. Graphic
AbstractList Reduction of beta-phthalimido-alpha-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with boranes and oxazaborolidine as catalyst, afforded beta-phthalimido-a-hydroxy phosphonates in good yields and high diastereoselectivity. Deprotection of the amino group gave the title compounds. (C) 1999 Elsevier Science Ltd. All rights reserved.
Reduction of β-phthalimido-α-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with boranes and oxazaborolidine as catalyst, afforded β-phthalimido-α-hydroxy phosphonates in good yields and high diastereoselectivity. Deprotection of the amino group gave the title compounds. Graphic
Author Zanirato, Vinicio
De Risi, Carmela
Bergamini, Paola
Marchetti, Paolo
Pollini, Gian P.
Benetti, Simonetta
Barco, Achille
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Keywords Arbuzov reaction
phosphonic acids
amino acid derivatives
phosphonic acid derivatives
amino acids
ACID
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Snippet Reduction of β-phthalimido-α-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with boranes...
Reduction of beta-phthalimido-alpha-keto phosphonates, obtained through an Arbuzov reaction between the appropriate acid chloride and triethyl phosphite, with...
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SubjectTerms amino acid derivatives
amino acids
Arbuzov reaction
Chemistry
Chemistry, Organic
phosphonic acid derivatives
phosphonic acids
Physical Sciences
Science & Technology
Title Diastereoselective synthesis of β-amino-α-hydroxy phosphonates via oxazaborolidine catalyzed reduction of β-phthalimido-α-keto phosphonates
URI https://dx.doi.org/10.1016/S0040-4039(99)01573-7
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