Product Name

  • Name

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

  • EINECS 628-030-5
  • CAS No. 165534-43-0
  • Article Data2
  • CAS DataBase
  • Density 1.42 g/cm3
  • Solubility
  • Melting Point 75-77 °C
  • Formula C11H14N3O5P
  • Boiling Point 382.1 °C at 760 mmHg
  • Molecular Weight 299.223
  • Flash Point 184.9 °C
  • Transport Information
  • Appearance clear to faint yellow liquid
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 165534-43-0 (3-(Diethoxyphosphoryloxy)-1,2,3-benzotrizin-4(3H)-one)
  • Hazard Symbols IrritantXi
  • Synonyms 1,2,3-Benzotriazin-4(3H)-one,3-[(diethoxyphosphinyl)oxy]- (9CI);DEPBT;
  • PSA 102.35000
  • LogP 1.40120

Synthetic route

diethyl chlorophosphate
814-49-3

diethyl chlorophosphate

3-hydroxy-3,4-dihydrobenzotriazine-4-one
28230-32-2

3-hydroxy-3,4-dihydrobenzotriazine-4-one

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

Conditions
ConditionsYield
With triethylamine In dichloromethane for 3h;82%
With triethylamine In dichloromethane at 0℃; for 3h;82%
phosphonic acid diethyl ester
762-04-9

phosphonic acid diethyl ester

3-hydroxy-3,4-dihydrobenzotriazine-4-one
28230-32-2

3-hydroxy-3,4-dihydrobenzotriazine-4-one

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

Conditions
ConditionsYield
With triethylamine In dichloromethane; benzene for 4h;57%
Z-Aib-OH
15030-72-5

Z-Aib-OH

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

2-benzyloxycarbonylamino-2-methyl-propionic acid 4-oxo-4H-benzo[d][1,2,3]triazin-3-yl ester
654651-46-4

2-benzyloxycarbonylamino-2-methyl-propionic acid 4-oxo-4H-benzo[d][1,2,3]triazin-3-yl ester

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In N,N-dimethyl-formamide at 37℃;
N-benzoyl-(R)-methylpiperazine hydrochloride

N-benzoyl-(R)-methylpiperazine hydrochloride

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

1H-indol-1-amine
53406-38-5

1H-indol-1-amine

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In water; N,N-dimethyl-formamide
3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

2-oxo-2-(1H-pyrrolo[3,2-c]pyridin-3-yl)-acetamide
1378780-41-6

2-oxo-2-(1H-pyrrolo[3,2-c]pyridin-3-yl)-acetamide

Conditions
ConditionsYield
With ammonia; N-ethyl-N,N-diisopropylamine In 1,4-dioxane; N,N-dimethyl-formamide
potassium 2-pyrrolecarboxaldehyde-4-oxoacetate

potassium 2-pyrrolecarboxaldehyde-4-oxoacetate

N-benzoylpiperazine hydrochloride
56227-55-5, 79332-89-1

N-benzoylpiperazine hydrochloride

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

N-benzoyl-N'-[(2-carboxaldehyde-pyrrole-4-yl)-oxoacetyl]-piperazine

N-benzoyl-N'-[(2-carboxaldehyde-pyrrole-4-yl)-oxoacetyl]-piperazine

Conditions
ConditionsYield
With triethylamine In water; N,N-dimethyl-formamide
With triethylamine In water; N,N-dimethyl-formamide
(7-chloro-1H-pyrrolo[3,2-b]pyridin-3-yl)-oxo-acetic acid
791053-66-2

(7-chloro-1H-pyrrolo[3,2-b]pyridin-3-yl)-oxo-acetic acid

phenyl(piperidin-4-ylidene)acetonitrile
676490-69-0

phenyl(piperidin-4-ylidene)acetonitrile

N-ethyl-N,N-diisopropylamine
7087-68-5

N-ethyl-N,N-diisopropylamine

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

{1-[2-(7-chloro-1H-pyrrolo[3,2-b]pyridin-3-yl)-2-oxo-acetyl]-piperidin-4-ylidene}-phenyl-acetonitrile
676490-39-4

{1-[2-(7-chloro-1H-pyrrolo[3,2-b]pyridin-3-yl)-2-oxo-acetyl]-piperidin-4-ylidene}-phenyl-acetonitrile

Conditions
ConditionsYield
In ethyl acetate; N,N-dimethyl-formamide
C42H51N7O10S5Si

C42H51N7O10S5Si

C35H47N5O8S2Si

C35H47N5O8S2Si

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one
165534-43-0

3-[(diethoxyphosphinyl)oxy]-1,2,3-benzotriazin-4(3H)-one

A

C77H96N12O17S7Si2

C77H96N12O17S7Si2

B

C81H105N12O20PS7Si2

C81H105N12O20PS7Si2

Conditions
ConditionsYield
With sodium hydrogencarbonate In tetrahydrofuran at 20℃; for 25h; Overall yield = 14.7 mg;

3-(Diethoxyphosphoryloxy)-1,2,3-benzotrizin-4(3H)-one Specification

The IUPAC name of DEPBT is Diethyl (4-oxo-1,2,3-benzotriazin-3-yl) phosphate. With the CAS registry number 165534-43-0, it is also named as 3-(Diethoxyphosphoryloxy)-1,2,3-benzotrizin-4(3H)-one. The product's categories are Coupling Reagent; Peptide Coupling Reagents; Biochemistry; Condensation & Active Esterification; Coupling Reactions (Peptide Synthesis); Peptide Synthesis; Synthetic Organic Chemistry; Peptide; Building Blocks; Heterocyclic Building Blocks; Triazines; Antibiotics. Besides, it is light yellow crystalline powder, which should be stored in closed, ventilated, cool and dry place at -15 °C. 

The other characteristics of DEPBT can be summarized as: (1)ACD/LogP: 0.93; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 0.93; (4)ACD/LogD (pH 7.4): 0.93; (5)H bond acceptors: 7; (6)H bond donors: 0; (7)Freely Rotating Bonds: 5; (8)Polar Surface Area: 90.37 Å2; (9)Index of Refraction: 1.611; (10)Molar Refractivity: 69.17 cm3; (11)Molar Volume: 199.1 cm3; (12)Surface Tension: 58.1 dyne/cm; (13)Density: 1.42 g/cm3; (14)Flash Point: 184.3 °C; (15)Melting point: 75-77 °C; (16)Enthalpy of Vaporization: 62.94 kJ/mol; (17)Boiling Point: 381.2 °C at 760 mmHg; (18)Vapour Pressure: 5.17E-06 mmHg at 25 °C.

When you are using this chemical, please be cautious about it as the following: it is irritating to eyes, respiratory system and skin. You should wear suitable protective clothing when use it. Moreover, in case of contact with eyes, please rinse immediately with plenty of water and seek medical advice.

People can use the following data to convert to the molecule structure.
(1)SMILES:O=P(OCC)(OCC)N1\N=N/c2ccccc2C1=O
(2)InChI:InChI=1/C11H14N3O4P/c1-3-17-19(16,18-4-2)14-11(15)9-7-5-6-8-10(9)12-13-14/h5-8H,3-4H2,1-2H3
(3)InChIKey:IQRWMMIWGVPOBI-UHFFFAOYAF
(4)Std. InChI:InChI=1S/C11H14N3O4P/c1-3-17-19(16,18-4-2)14-11(15)9-7-5-6-8-10(9)12-13-14/h5-8H,3-4H2,1-2H3
(5)Std. InChIKey:IQRWMMIWGVPOBI-UHFFFAOYSA-N

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