A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues
A convenient approach has been developed to α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues by α-phosphonylation, α-phosphinylation or α-phosphinoylation of 1-(N-acylamino)alkylphosphonates, that, in turn, are easily accessible from N-...
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doaj-5d169af806ba433ebbefc0a4de6c37942021-02-02T00:12:42ZengBeilstein-InstitutBeilstein Journal of Organic Chemistry1860-53972015-08-011111418142410.3762/bjoc.11.1531860-5397-11-153A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analoguesAnna Kuźnik0Roman Mazurkiewicz1Mirosława Grymel2Katarzyna Zielińska3Jakub Adamek4Ewa Chmielewska5Marta Bochno6Sonia Kubica7Department of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandDepartment of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandDepartment of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandDepartment of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandDepartment of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandDepartment of Bioorganic Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, PolandDepartment of Bioorganic Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, PolandDepartment of Organic Chemistry, Biochemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100 Gliwice, PolandA convenient approach has been developed to α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues by α-phosphonylation, α-phosphinylation or α-phosphinoylation of 1-(N-acylamino)alkylphosphonates, that, in turn, are easily accessible from N-acyl-α-amino acids. Effective electrophilic activation of the α-position of 1-(N-acetylamino)alkylphosphonates was achieved by electrochemical α-methoxylation of these compounds in methanol, mediated with NaCl, followed by displacement of the methoxy group with triphenylphosphonium tetrafluoroborate to give hitherto unknown 1-(N-acetylamino)-1-triphenylphosphoniumalkylphosphonate tetrafluoroborates. The latter compounds react smoothly with trialkyl phosphites, dialkyl phosphonites or alkyl phosphinites in the presence of Hünig’s base and methyltriphenylphosphonium iodide in a Michaelis–Arbuzov-like reaction to give the expected alkylidenebisphosphonates, 1-phosphinylalkylphosphonates or 1-phosphinoylalkylphosphonates, respectively, in good yields.https://doi.org/10.3762/bjoc.11.153alkylidenebisphosphonateα-amino acid phosphorus analogueselectrochemical α-methoxylation1-phosphinoylalkylphosphonate1-phosphinylalkylphosphonate |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Anna Kuźnik Roman Mazurkiewicz Mirosława Grymel Katarzyna Zielińska Jakub Adamek Ewa Chmielewska Marta Bochno Sonia Kubica |
spellingShingle |
Anna Kuźnik Roman Mazurkiewicz Mirosława Grymel Katarzyna Zielińska Jakub Adamek Ewa Chmielewska Marta Bochno Sonia Kubica A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues Beilstein Journal of Organic Chemistry alkylidenebisphosphonate α-amino acid phosphorus analogues electrochemical α-methoxylation 1-phosphinoylalkylphosphonate 1-phosphinylalkylphosphonate |
author_facet |
Anna Kuźnik Roman Mazurkiewicz Mirosława Grymel Katarzyna Zielińska Jakub Adamek Ewa Chmielewska Marta Bochno Sonia Kubica |
author_sort |
Anna Kuźnik |
title |
A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
title_short |
A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
title_full |
A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
title_fullStr |
A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
title_full_unstemmed |
A new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
title_sort |
new method for the synthesis of α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues |
publisher |
Beilstein-Institut |
series |
Beilstein Journal of Organic Chemistry |
issn |
1860-5397 |
publishDate |
2015-08-01 |
description |
A convenient approach has been developed to α-aminoalkylidenebisphosphonates and their asymmetric phosphonyl-phosphinyl and phosphonyl-phosphinoyl analogues by α-phosphonylation, α-phosphinylation or α-phosphinoylation of 1-(N-acylamino)alkylphosphonates, that, in turn, are easily accessible from N-acyl-α-amino acids. Effective electrophilic activation of the α-position of 1-(N-acetylamino)alkylphosphonates was achieved by electrochemical α-methoxylation of these compounds in methanol, mediated with NaCl, followed by displacement of the methoxy group with triphenylphosphonium tetrafluoroborate to give hitherto unknown 1-(N-acetylamino)-1-triphenylphosphoniumalkylphosphonate tetrafluoroborates. The latter compounds react smoothly with trialkyl phosphites, dialkyl phosphonites or alkyl phosphinites in the presence of Hünig’s base and methyltriphenylphosphonium iodide in a Michaelis–Arbuzov-like reaction to give the expected alkylidenebisphosphonates, 1-phosphinylalkylphosphonates or 1-phosphinoylalkylphosphonates, respectively, in good yields. |
topic |
alkylidenebisphosphonate α-amino acid phosphorus analogues electrochemical α-methoxylation 1-phosphinoylalkylphosphonate 1-phosphinylalkylphosphonate |
url |
https://doi.org/10.3762/bjoc.11.153 |
work_keys_str_mv |
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