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 in | Tetrahedron letters Vol. 40; no. 43; pp. 7705 - 7708 |
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Main Authors | , , , , , , |
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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.
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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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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 |
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