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ChemInform Abstract: N-Alkoxycarbonyl Amino Acid N-Carboxyanhydrides and N,N- Dialkoxycarbonyl Amino Acid Fluorides from N,N-Diprotected Amino Acids

Autor: Michel Wakselman, J. Savrda

Publikováno v: ChemInform. 23

Activation of N,N-bis-Boc or N-Boc N-Z amino acids with SOCl2–DMF leads to N-protected N-carboxy amino acid anhydrides, whereas treatment with cyanuric fluoride at low temperature gives mainly N,N-bis-protected amino acid fluorides, which are effic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b9c52bf90adc9152fbc3f8268b4c8d4
https://doi.org/10.1002/chin.199242165

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ChemInform Abstract: N-t-Boc 6-Amino-1,11-(20-crown-6)-6,7-dihydro-5H-dibenzo(a,c) cycloheptene-6-carboxylic Acid Methyl Ester, the First Prototype of a Crown-Carrier-Axially Dissymmetric-α,α-Disubstituted Glycine

Autor: J. Savrda, Anne Gaucher, Michel Wakselman, Yolaine Goubard, Jean-Paul Mazaleyrat

Publikováno v: ChemInform. 28

N-t-Boc 6-amino-1,11-(20-crown-6)-6,7-dihydro-5H-dibenzo[a,c]cycloheptene-6-carboxylic acid methyl ester: Boc-[20-C-6]-Bip-OMe 1 , a new crown-carrier-α,α-disubstituted glycine with axial dissymmetry and a potential building block for the synthesis

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::263c5c0328e797a1bd77a13111ab7548
https://doi.org/10.1002/chin.199733213

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Synthesis of a potential 'suicide substrate' of the HIV-1 protease, incorporating A 3-acetoxy-Δ-4,5-(L)-pipecolic acid as proline substitute

Autor: J. Savrda, I. Rage, Juan Xie, Jean-Paul Mazaleyrat, Michel Wakselman

Publikováno v: Tetrahedron Letters. 33:4453-4456

Coupling of (D,L)-baikiain methyl ester with Boc-(L)-phenylalanine, followed by saponification, idolactonization and aminolysis of the diastereoisomeric iodolactones by (L)-isoleucyl-(L)-valine methyl ester gave two diastereoisomeric peptides incorpo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8a98f19350041e7afa5f918812c65709
https://doi.org/10.1016/s0040-4039(00)60108-9

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Synthesis, conformational study, and spectroscopic characterization of the cyclic C alpha, alpha-disubstituted glycine 9-amino-9-fluorenecarboxylic acid

Autor: J, Savrda, J P, Mazaleyrat, M, Wakselman, F, Formaggio, M, Crisma, C, Toniolo

Publikováno v: Journal of peptide science : an official publication of the European Peptide Society. 5(2)

A series of terminally blocked peptides (to the pentamer level) from L-Ala and the cyclic C alpha, alpha-disubstituted Gly residue Afc and one Gly/Afc dipeptide have been synthesized by solution method and fully characterized. The molecular structure

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::46dbc74c176bdb198db003fb328e2972
https://pubmed.ncbi.nlm.nih.gov/10100122

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N-alkoxycarbonyl amino acid N-carboxyanhydrides and N,N-dialkoxycarbonyl amino acid fluorides from N,N-diprotected amino acids

Autor: J. Savrda, Michel Wakselman

Publikováno v: Journal of the Chemical Society, Chemical Communications. :812

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f42aa5c9253320fedffb04145c37e7c7
https://doi.org/10.1039/c39920000812

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Synthesis and biological assays of peptides from a tuberculin-active protein

Autor: J, Savrda

Publikováno v: Infection and Immunity. 40:1163-1169

The octapeptide Asp-Gly-Gly-Ser-Glu-Ser-Glu-Gly and the hexadecapeptide Asp-Gly-Gly-Ser-Glu-Ser-Glu-Gly-Lys-Asn-Gly-Ser-Gln-Met-Arg-Leu, part of a tuberculin-active intracellular mycobacterial protein, were synthesized. The synthetic peptides were sh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eb54a16088d01aeb3d622e1cd470cf69
https://doi.org/10.1128/iai.40.3.1163-1169.1983

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Synthesis and nmr analysis of cyclo-[85% 13C-asp]-pro: 13C-13C vicinal coupling constants and conformation

Autor: J. Savrda, François Piriou, Serge Fermandjian, Flavio Toma

Publikováno v: Tetrahedron. 35:441-446

The dipeptide cyclo(Asp-Pro) where the aspartic acid residue was 85% 13 C enriched, was synthesized with the aim of analyzing its conformation in solution by using 1 C- 1 H, 13 H- 1 H and 13 C- 13 C coupling constant parameters. The values of these c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::387aba998ebb6be571aa28cbb7bb8670
https://doi.org/10.1016/0040-4020(79)80085-x

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Synthesis of the monomer and dimer peptide fragments of the Micrococcus lysodeikticus cell wall peptidoglycan

Autor: Didier Blanot, Evanghelos Bricas, J. Savrda, M. Mulliez

Publikováno v: Biochimie. 58:131-142

Summary Three branched peptides, namely pentapeptide A and the two decapeptides B and C corresponding respectively to the monomer and the two dimer peptide fragments of the M. lysodeikticus cell wall peptidoglycan, were synthetized by adequate method

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8e668b58d8493ee3c1d4bb238119d3c6
https://doi.org/10.1016/s0300-9084(76)80363-x

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