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Adefovir

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Name

Adefovir

EINECS 600-789-7
CAS No. 106941-25-7 Density 1.88 g/cm3
PSA 146.19000 LogP 0.14150
Solubility N/A Melting Point >260 °C
Formula C8H12N5O4P Boiling Point 632.5 °C at 760 mmHg
Molecular Weight 273.188 Flash Point 336.3 °C
Transport Information N/A Appearance white to off-white powder
Safety 45 Risk Codes 25
Molecular Structure Molecular Structure of 106941-25-7 (Adefovir) Hazard Symbols T
Synonyms

((2-(6-Amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid;9-(2-Phosphorylmethoxyethyl)adenine;PMEA;Adefovir [USAN:INN];2-(6-aminopurin-9-yl)ethoxymethylphosphonic acid;N-(2-Phophonomethoxyethyl-2,6-diaminopurine);GS 0393;GS 393;9-(2-(Phosphonomethoxy)ethyl)adenine;Phosphonic acid, ((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)-;9-[2-Phosphonylmethoxyethyl]adenine;9-[2-(Phosphonomethoxy)ethyl]adenine (PMEA);9-[2-phosphonyl methoxyethyl]adenine;Adefovir dipivox;9-[2-(phosphonomethoxy)ethyl]adenine;[[2-(6-amino-9H-purin-9-yl) ethoxy] methyl] phosphonic acid;9-(2-phosphonyl methoxyethyl)adenine;Adefovir Dipivozil;9-(2-Phosphonylmethoxyethyl)adenine;

Article Data 21

Adefovir Synthetic route

116384-53-3

[[2-(6-amino-9H-purine-9-yl)ethoxy]methyl]phosphonic acid diethyl ester

106941-25-7

Adefovir

Conditions
ConditionsYield
With trimethylsilyl bromide95%
Stage #1: [[2-(6-amino-9H-purine-9-yl)ethoxy]methyl]phosphonic acid diethyl ester With trimethylsilyl bromide In acetonitrile at 20℃; for 3h; Large scale;
Stage #2: With sodium hydroxide In water for 2h; Reflux; Large scale;
86.3%
With hydrogen bromide In water at 90℃; for 5h; Temperature; Time;86%
142340-94-1

[2-(6-Amino-purin-9-yl)-ethoxymethyl]-phosphonic acid diisopropyl ester

106941-25-7

Adefovir

Conditions
ConditionsYield
With hydrogenchloride In water at 140℃; for 0.166667h; Microwave irradiation; Sealed tube;95%
Multi-step reaction with 2 steps
1: acetonitrile
2: aq. NH3
View Scheme
107021-27-2

Methyl Ester of 9-(2-Phosphonylmethoxyethyl)adenine

106941-25-7

Adefovir

Conditions
ConditionsYield
With trimethylsilyl iodide; triethylamine carbonate 1) DMF, R.T., 16 h 2) 80 deg C; Yield given. Multistep reaction;
31618-90-3

diethyl (p-toluenesulfonyloxymethane)phosphonate

707-99-3

9-(2-hydroxyethyl)adenine

106941-25-7

Adefovir

Conditions
ConditionsYield
With trimethylsilyl bromide; sodium t-butanolate 1.) DMF; Yield given. Multistep reaction;

C14H28N5O4PSi2

106941-25-7

Adefovir

Conditions
ConditionsYield
With ammonium hydroxide Yield given;
With water33.0 g
212894-84-3

[2-(5-Amino-6-chloro-pyrimidin-4-ylamino)-ethoxymethyl]-phosphonic acid diethyl ester

106941-25-7

Adefovir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 92 percent / 3 h / 120 °C
2: 87 percent / NH3 liquid / tetrahydrofuran; dimethylsulfoxide / 24 h / 25 °C
3: 95 percent / TMSBr
View Scheme
185900-69-0

O,O-diethyl((2-(6-chloro-9H-purin-9-yl)ethoxy)methyl)phosphonate

106941-25-7

Adefovir

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 87 percent / NH3 liquid / tetrahydrofuran; dimethylsulfoxide / 24 h / 25 °C
2: 95 percent / TMSBr
View Scheme
55343-28-7

9-(2-Hydroxyethyl)-N6-benzoyladenine

106941-25-7

Adefovir

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 1) NaH 2) 0.5 mol l-1 NaOH / 1)DMF, R.T., 48 h, 2) 50 deg C, 6 h
2: 1) iodotrimethylsilane 2) 2 mol l-1 triethylammonium hydrogen carbonate / 1) DMF, R.T., 16 h 2) 80 deg C
View Scheme
707-99-3

9-(2-hydroxyethyl)adenine

106941-25-7

Adefovir

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 81 percent / chlorotrimethylsilane / pyridine
2: 1) NaH 2) 0.5 mol l-1 NaOH / 1)DMF, R.T., 48 h, 2) 50 deg C, 6 h
3: 1) iodotrimethylsilane 2) 2 mol l-1 triethylammonium hydrogen carbonate / 1) DMF, R.T., 16 h 2) 80 deg C
View Scheme
Multi-step reaction with 2 steps
1: 1) NaH, 2) 0.5 mol l-1 NaOH / 1) DMF, R.T., 48 h, 2) 50 deg C, 6 h
2: 1) iodotrimethylsilane 2) 2 mol l-1 triethylammonium hydrogen carbonate / 1) DMF, R.T., 16 h 2) 80 deg C
View Scheme
Multi-step reaction with 2 steps
1.1: sodium hydride / N,N-dimethyl-formamide / 1 h / 5 °C / Large scale
1.2: 5 h / 5 °C / Large scale
2.1: trimethylsilyl bromide / acetonitrile / 3 h / 20 °C / Large scale
2.2: 2 h / Reflux; Large scale
View Scheme
Multi-step reaction with 2 steps
1: magnesium 2-methylpropan-2-olate / N,N-dimethyl-formamide / 12 h / 80 °C
2: chloro-trimethyl-silane / chlorobenzene / 10 h / 120 °C
View Scheme
Multi-step reaction with 2 steps
1.1: magnesium 2-methylpropan-2-olate / N,N-dimethyl-formamide / 1 h / 78 - 82 °C
1.2: 78 - 82 °C
2.1: trimethylsilyl bromide / 80 - 85 °C
View Scheme

9-(2-Diethoxyphosphonomethoxyethyl)adenine

2857-97-8

trimethylsilyl bromide

106941-25-7

Adefovir

Conditions
ConditionsYield
In dichloromethane; water; acetone

Adefovir Chemical Properties

Molecular Structure of 9-(2-Phosphonylmethoxyethyl)adenine (CAS NO.106941-25-7):

Molecular Formula: C8H12N5O4P
Molecular Weight: 273.1857
IUPAC Name: 2-(6-Aminopurin-9-yl)ethoxymethylphosphonic acid
Synonyms of 9-(2-Phosphonylmethoxyethyl)adenine (CAS NO.106941-25-7): Adefovir [USAN:INN] ; ((2-(6-Amino-9H-purin-9-yl)ethoxy)methyl)phosphonic acid ; 9-(2-(Phosphonomethoxy)ethyl)adenine ; Adefovir ; BRN 3561094 ; DRG-0156 ; GS 0393 ; GS 393 ; GS-0393 ; N-(2-Phophonomethoxyethyl-2,6-diaminopurine) ; N-(2-Phosphonylmethoxyethyl)adenine ; PMEA ; Phosphonic acid, ((2-(6-amino-9H-purin-9-yl)ethoxy)methyl)- ; UNII-6GQP90I798
CAS NO: 106941-25-7
Classification Code: Anti-Infective Agents ; Anti-Retroviral Agents ; Antiviral ; Antiviral agents ; Enzyme Inhibitors ; Mutation data ; Nucleic Acid Synthesis Inhibitors ; Reverse Transcriptase Inhibitors
Melting point: >260°C 
Index of Refraction: 1.768
Molar Refractivity: 60.14 cm3
Molar Volume: 144.9 cm3
Surface Tension: 103.8 dyne/cm
Density: 1.88 g/cm3
Flash Point: 336.3 °C
Enthalpy of Vaporization: 98.29 kJ/mol
Boiling Point: 632.5 °C at 760 mmHg
Vapour Pressure: 7.24E-17 mmHg at 25°C

Adefovir Uses

 9-(2-Phosphonylmethoxyethyl)adenine (CAS NO.106941-25-7) can be used for antiviral.

Adefovir Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD intravenous > 1gm/kg (1000mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD Antimicrobial Agents and Chemotherapy. Vol. 40, Pg. 1072, 1996.
mouse LDLo intraperitoneal 1600mg/kg (1600mg/kg)   Antimicrobial Agents and Chemotherapy. Vol. 40, Pg. 1072, 1996.

Adefovir Safety Profile

Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and POx.

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