8.52180

Fmoc-Ala-Thr(psiMe,Mepro)-OH

Novabiochem^®

• Synonyme(s) : Fmoc-Ala-Thr(psiMe,Mepro)-OH
• Formule empirique (notation de Hill): C₂₅H₂₈N₂O₆
• Numéro CAS: 252554-79-3
• Poids moléculaire : 452.50
• Code UNSPSC : 12352209
• Nomenclature NACRES : NA.22

Propriétés

• Niveau de qualité: 200
• Gamme de produits: Novabiochem^®
• Pureté: ≥97% (TLC); ≥97.0% (HPLC)
• Forme: powder
• Capacité de réaction: reaction type: Fmoc solid-phase peptide synthesis
• Fabricant/nom de marque: Novabiochem^®
• Application(s): peptide synthesis
• Groupe fonctionnel: hydroxyl
• Température de stockage: 2-8°C
• InChI: 1S/C25H28N2O6/c1-14(22(28)27-21(23(29)30)15(2)33-25(27,3)4)26-24(31)32-13-20-18-11-7-5-9-16(18)17-10-6-8-12-19(17)20/h5-12,14-15,20-21H,13H2,1-4H3,(H,26,31)(H,29,30)/t14-,15+,21-/m0/s1
• Clé InChI: GBTYMCWKCJUKDT-ZSDSOXJFSA-N

Description

Description générale

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 Ala-Thr dipeptide motif. It consists of a dipeptide in which the threonine 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 threonine 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

Liaison

Replaces: 05-20-1005

Remarque sur l'analyse

Colour (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): -34.0 - -28.0 °
Purity (TLC(157A)): ≥ 97 %
Purity (TLC(CMA2)): ≥ 97 %
Assay (HPLC, area%): ≥ 97.0 % (a/a)
Single impurities (HPLC, area%): ≤ 1.00 % (a/a)
Acetate (IC): ≤ 0.1 %
Ethyl acetate (HS-GC): ≤ 2.0 %

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

Informations légales

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

Informations sur la sécurité

• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable