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495964

Sigma-Aldrich

3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one

98%

Synonym(s):

DEPBT

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About This Item

Empirical Formula (Hill Notation):
C11H14N3O5P
CAS Number:
Molecular Weight:
299.22
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

98%

mp

72-75 °C (lit.)

SMILES string

CCOP(=O)(OCC)ON1N=Nc2ccccc2C1=O

InChI

1S/C11H14N3O5P/c1-3-17-20(16,18-4-2)19-14-11(15)9-7-5-6-8-10(9)12-13-14/h5-8H,3-4H2,1-2H3

InChI key

AJDPNPAGZMZOMN-UHFFFAOYSA-N

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General description

3-(Diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one (DEPBT) is a coupling reagent that facilitates amide bond formation and also resists racemization. It has been shown to be more effective than phosphonium and uronium coupling reagents.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Yun-Hua Ye et al.
Biopolymers, 80(2-3), 172-178 (2005-01-01)
3-(Diethoxyphosphoryloxy)-1, 2, 3-benzotriazin-4(3H)-one (DEPBT) is an effective coupling reagent for synthesis of linear and cyclic peptides by both solution and solid-phase peptide synthesis. DEPBT mediates amide bond formation with remarkable resistance to racemization. When DEPBT is used as a coupling
H Li et al.
Organic letters, 1(1), 91-93 (2000-05-24)
[formula: see text] The new crystalline phosphate reagent 3-(diethoxyphosphoryloxy)-1,2,3-benzotriazin-4(3H)-one (DEPBT) mediates amide bond formation with a remarkable resistance to racemization. Comparative racemization studies were carried out and DEPBT proved to be superior to typical phosphonium and uronium coupling reagents. DEPBT
New reagents, reactions, and peptidomimetics for drug design.
Goodman M, et al.
Pept. Sci., 60(3), 229-245 (2001)
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ChemMedChem, 10(3), 470-489 (2015-02-03)
The natural products rhizopodin and bistramide belong to an elite class of highly potent actin binding agents. They show powerful antiproliferative activities against a range of tumor cell lines, with IC50 values in the low-nanomolar range. At the molecular level

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