Synthesis of the calcilytic ligand NPS 2143

(R)-3 (NPS 2143) is a negative allosteric modulator of the human calcium-sensing receptor (CaSR) and as such represents an important pharmacological tool compound for studying the CaSR. Herein, we disclose for the first time a complete experimental description, detailed characterisation and assessme...

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Main Authors: Henrik Johansson, Thomas Cailly, Alex Rojas Bie Thomsen, Hans Bräuner-Osborne, Daniel Sejer Pedersen
Format: Article
Language:English
Published: Beilstein-Institut 2013-07-01
Series:Beilstein Journal of Organic Chemistry
Subjects:
Online Access:https://doi.org/10.3762/bjoc.9.154
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author Henrik Johansson
Thomas Cailly
Alex Rojas Bie Thomsen
Hans Bräuner-Osborne
Daniel Sejer Pedersen
author_facet Henrik Johansson
Thomas Cailly
Alex Rojas Bie Thomsen
Hans Bräuner-Osborne
Daniel Sejer Pedersen
author_sort Henrik Johansson
collection DOAJ
description (R)-3 (NPS 2143) is a negative allosteric modulator of the human calcium-sensing receptor (CaSR) and as such represents an important pharmacological tool compound for studying the CaSR. Herein, we disclose for the first time a complete experimental description, detailed characterisation and assessment of enantiomeric purity for (R)-3. An efficient, reproducible and scalable synthesis of (R)-3 that requires a minimum of chromatographic purification steps is presented. (R)-3 was obtained in excellent optical purity (er > 99:1) as demonstrated by chiral HPLC and the pharmacological profile for (R)-3 is in full accordance with that reported in the literature.
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spelling doaj.art-ccfa7cc8e54a496682b57ba096ed7e102022-12-21T21:56:41ZengBeilstein-InstitutBeilstein Journal of Organic Chemistry1860-53972013-07-01911383138710.3762/bjoc.9.1541860-5397-9-154Synthesis of the calcilytic ligand NPS 2143Henrik Johansson0Thomas Cailly1Alex Rojas Bie Thomsen2Hans Bräuner-Osborne3Daniel Sejer Pedersen4Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, DenmarkDepartment of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, DenmarkDepartment of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, DenmarkDepartment of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, DenmarkDepartment of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark(R)-3 (NPS 2143) is a negative allosteric modulator of the human calcium-sensing receptor (CaSR) and as such represents an important pharmacological tool compound for studying the CaSR. Herein, we disclose for the first time a complete experimental description, detailed characterisation and assessment of enantiomeric purity for (R)-3. An efficient, reproducible and scalable synthesis of (R)-3 that requires a minimum of chromatographic purification steps is presented. (R)-3 was obtained in excellent optical purity (er > 99:1) as demonstrated by chiral HPLC and the pharmacological profile for (R)-3 is in full accordance with that reported in the literature.https://doi.org/10.3762/bjoc.9.154epoxidesGPCRNPS 2143nucleophilic aromatic substitutionpyrylium chemistry
spellingShingle Henrik Johansson
Thomas Cailly
Alex Rojas Bie Thomsen
Hans Bräuner-Osborne
Daniel Sejer Pedersen
Synthesis of the calcilytic ligand NPS 2143
Beilstein Journal of Organic Chemistry
epoxides
GPCR
NPS 2143
nucleophilic aromatic substitution
pyrylium chemistry
title Synthesis of the calcilytic ligand NPS 2143
title_full Synthesis of the calcilytic ligand NPS 2143
title_fullStr Synthesis of the calcilytic ligand NPS 2143
title_full_unstemmed Synthesis of the calcilytic ligand NPS 2143
title_short Synthesis of the calcilytic ligand NPS 2143
title_sort synthesis of the calcilytic ligand nps 2143
topic epoxides
GPCR
NPS 2143
nucleophilic aromatic substitution
pyrylium chemistry
url https://doi.org/10.3762/bjoc.9.154
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AT hansbraunerosborne synthesisofthecalcilyticligandnps2143
AT danielsejerpedersen synthesisofthecalcilyticligandnps2143