8.52189

Fmoc-Tyr(tBu)-Ser(psiMe,Mepro)-OH

≥97.0% (HPLC), for peptide synthesis, Novabiochem^®

• Synonim(y): Fmoc-Tyr(tBu)-Ser(psiMe,Mepro)-OH
• Wzór empiryczny (zapis Hilla): C₃₄H₃₈N₂O₇
• Numer CAS: 878797-09-2
• Masa cząsteczkowa: 586.67
• Kod UNSPSC: 12352209
• NACRES: NA.22

Właściwości

• product name: Fmoc-Tyr(tBu)-Ser(psiMe,Mepro)-OH, Novabiochem^®
• Poziom jakości: 200
• linia produktu: Novabiochem^®
• Próba: ≥95% (TLC); ≥97.0% (HPLC)
• Postać: powder
• przydatność reakcji: reaction type: Fmoc solid-phase peptide synthesis
• producent / nazwa handlowa: Novabiochem^®
• Zastosowanie: peptide synthesis
• grupa funkcyjna: hydroxyl
• temp. przechowywania: 2-8°C
• InChI: 1S/C34H38N2O7/c1-33(2,3)43-22-16-14-21(15-17-22)18-28(30(37)36-29(31(38)39)20-42-34(36,4)5)35-32(40)41-19-27-25-12-8-6-10-23(25)24-11-7-9-13-26(24)27/h6-17,27-29H,18-20H2,1-5H3,(H,35,40)(H,38,39)/t28-,29-/m0/s1
• Klucz InChI: DNJYPUYQFPFOKS-VMPREFPWSA-N

Opis

Opis ogólny

This pseudoproline dipeptide is undoubtedly the most effective and simplest to use tool for overcoming aggregation and enhancing peptide quality in Fmoc SPPS for peptide containing the Tyr-Ser dipeptide motif. It consists of a dipeptide in which the serine residue has been reversibly protected as a structure-breaking proline-like TFA-labile oxazolidine. The reason the pseudoproline residue is introduced as a dipeptide is because it avoids the need to acylate the hindered oxazolidine nitrogen. This has the added advantage of extending the peptide chain by two residues in one step. The serine residue is regenerated during the normal TFA-mediated cleavage reaction.

Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS
Overcoming Aggregation in Fmoc SPPS

Powiązanie

Replaces: 05-20-1014

Komentarz do analizy

Color (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Optical rotation α 25/D (c=1 in methanol): -49.0 - -42.0 °
Purity (TLC(157A)): ≥ 95 %
Purity (TLC(CMA2)): ≥ 95 %
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Ethyl acetate (HS-GC): ≤ 2.0 %
Acetate (IC): ≤ 0.1 %

To see the solvent systems used for TLC of Novabiochem^® products please click here.

Informacje prawne

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 11 - Combustible Solids
• Klasa zagrożenia wodnego (WGK): WGK 2
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable