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8.52069

Fmoc-Ser(PO(OBzl)OH)-OH

≥97% (TLC), for peptide synthesis, Novabiochem®

Synonym(s):

Fmoc-Ser(PO(OBzl)OH)-OH, N-α-Fmoc-O-benzyl-L-phosphoserine

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About This Item

Empirical Formula (Hill Notation):
C25H24NO8P
CAS Number:
Molecular Weight:
497.43
UNSPSC Code:
12352209
NACRES:
NA.22
MDL number:
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Product Name

Fmoc-Ser(PO(OBzl)OH)-OH, Novabiochem®

Quality Segment

product line

Novabiochem®

assay

≥90.0% (acidimetric), ≥95.0% (HPLC), ≥97% (TLC)

form

powder

reaction suitability

reaction type: Fmoc solid-phase peptide synthesis

manufacturer/tradename

Novabiochem®

application(s)

peptide synthesis

functional group

Fmoc

storage temp.

−20°C (−15°C to −25°C)

SMILES string

[P](=O)(OC[C@H](NC(=O)OCC2c3c(cccc3)c4c2cccc4)C(=O)O)(OCc1ccccc1)O

InChI

1S/C25H24NO8P/c27-24(28)23(16-34-35(30,31)33-14-17-8-2-1-3-9-17)26-25(29)32-15-22-20-12-6-4-10-18(20)19-11-5-7-13-21(19)22/h1-13,22-23H,14-16H2,(H,26,29)(H,27,28)(H,30,31)/t23-/m0/s1

InChI key

ZBPUWGDUVAAWJY-QHCPKHFHSA-N

General description

An excellent building block for the preparation of phosphoserine-containing peptides [1] by Fmoc SPPS. This derivative can be introduced using standard activation methods, such as PyBOP® and TBTU. The monoprotected phosphoserine residue once incorporated is stable to piperidine. Using this reagent, even peptides containing multiple phosphorylation sites can be prepared efficiently by standard Fmoc SPPS methods [2]. Applications of this derivative include the preparation of phospholamban [3], a 52 residue peptide containing both phosphoserine and phosphothreonine, and human salivary statherin, a 42 residue phosphoserine peptide [4]; for other examples see references [5,6,7,8].Recently, β-piperidinylalanine formation has been shown to occur during Fmoc deprotection of N-terminal Ser(PO(OBzl)OH), particularly under microwave conditions. This side reaction can be eliminated by using cyclohexylamine or DBU just for this Fmoc deprotection step [9].

Associated Protocols and Technical Articles
Cleavage and Deprotection Protocols for Fmoc SPPS


Literature references

[1] T. Wakamiya, et al. (1994) Chem. Lett., 1099.
[2] P. White & J. Beythien in ′Innovations & Perspectives in Solid Phase Synthesis and Combinatorial Libraries, 4th International Symposium′, Mayflower Scientific Ltd., Birmingham, 1996, pp. 557.
[3] H. Schmid, et al., Poster 423 presented at the 15th American Peptide Symposium, Nashville, 1997.
[4] T. L. Gururaja & M. J. Levine (1996) Pept. Res., 9, 283.
[5] T. Vorherr, et al. (1995) Bioorg. Med. Chem. Lett., 5, 2661.
[6] G. Shapiro, et al. (1996) Bioorg. Med. Chem. Lett., 6, 409.
[7] M. John, et al. (1996) Pept. Res., 9, 71.
[8] K. Teruya, et al. (2004) J. Pept. Sci., 10, 479.
[9] T. J. Attard, et al. (2009) Int. J. Pept. Res. Ther., 15, 69.

Analysis Note

Colour (visual): white to slight yellow to beige
Appearance of substance (visual): powder
Identity (IR): passes test
Enantiomeric purity: ≥ 99.0 % (a/a)
Purity (TLC(CMA1)): ≥ 97 %
Assay (HPLC, area%): ≥ 95.0 % (a/a)
Solubility (1 mmole in 2 ml DMF): clearly soluble
Assay (acidimetric): ≥ 90.0 %
Water (K. F.): ≤ 1.0 %
Ethyl acetate (HS-GC): ≤ 0.5 %
Acetate (IC): ≤ 0.1 %

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

Other Notes

Replaces: 04-12-1154

Legal Information

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

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852070852028852090
description

Novabiochem®

description

Novabiochem®

description

Novabiochem®

description

Novabiochem®

form

powder

form

powder

form

powder

form

powder

assay

≥90.0% (acidimetric), ≥97% (TLC), ≥95.0% (HPLC)

assay

≥90.0% (acidimetric), ≥98% (TLC), ≥98.0% (HPLC)

assay

≥92.0% (acidimetric), ≥98% (TLC), ≥98.0% (HPLC)

assay

≥93.0% (acidimetric), ≥96% (TLC), ≥96.0% (HPLC)

functional group

Fmoc

functional group

Fmoc

functional group

hydroxyl

functional group

Fmoc

product line

Novabiochem®

product line

Novabiochem®

product line

Novabiochem®

product line

Novabiochem®

storage temp.

−20°C (−15°C to −25°C)

storage temp.

−20°C

storage temp.

2-30°C

storage temp.

15-25°C

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200


Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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