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536490

Sigma-Aldrich

2-tert-Butylimino-2-diethylamino-1,3-dimethylperhydro-1,3,2-diazaphosphorine, polymer-bound

200-400 mesh, extent of labeling: 2.0-2.5 mmol/g loading, 1 % cross-linked

Synonym(s):

BEMP resin

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About This Item

MDL number:
MFCD03095934
UNSPSC Code:
12352128
PubChem Substance ID:
24878163
NACRES:
NA.22

crosslinking

1 % cross-linked

reaction suitability

reaction type: solution phase peptide synthesis
reactivity: proton reactive

extent of labeling

2.0-2.5 mmol/g loading

particle size

200-400 mesh

SMILES string

C=Cc1ccccc1.C=Cc2ccc(C=C)cc2.CCN(CC)P3(=NC(C)(C)C)N(C)CCCN3Cc4ccccc4

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Application

Phosphazene Bases: a Family of Extremely Strong, Non-Ionic, Non-Charged Nitrogen–Bases
Polymer-supported base used for deprotonation and N-alkylation of weakly acidic heterocycles.

Pictograms

Corrosion
GHS05

Signal Word

Danger

Hazard Statements

H314

Hazard Classifications

Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Phosphazene base P2-Et ≥98.0% (NT)

Sigma-Aldrich

79417

Phosphazene base P2-Et

A convenient 'catch and release' synthesis of fused 2-alkylthio-pyrimidinones mediated by polymer-bound BEMP.
Gregory L. Adams et al.
Tetrahedron Letters, 44, 5041-5045 (2003)
A study of polymer-supported bases for the solution phase synthesis of glycosyl trichloroacetimidates.
Jose Luis Chiara, Lourdes Encinas and Beatriz Diaz
Tetrahedron Letters, 46, 2445-2448 (2005)
Ying Wang et al.
Organic letters, 7(5), 925-928 (2005-02-25)
1,2,4-Oxadiazoles can be rapidly and efficiently synthesized from a variety of readily available carboxylic acids and amidoximes using either method A or method B. The use of commercially available polymer-supported reagents combined with microwave heating resulted in high yields and

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