102266-15-9

Basic information

• Product Name: 2-Amino-3-nitro-6-phenylpyridine
• Synonyms: 3-nitro-6-phenylpyridin-2-aMine;2-Pyridinamine, 3-nitro-1-phenyl-;2-Amino-3-nitro-6-phenylpyridine
• CAS NO: 102266-15-9
• Molecular Formula: C₁₁H₉N₃O₂
• Molecular Weight: 215.20806
• Mol File: 102266-15-9.mol
• Article Data: 8

Chemical Properties

• Melting Point: 147-149 °C(Solv: ethanol (64-17-5); water (7732-18-5))
• Boiling Point: 412.6±45.0 °C(Predicted)
• Appearance: /
• Density: 1.327±0.06 g/cm3(Predicted)
• Storage Temp.: 2-8°C
• PKA: 1.90±0.10(Predicted)
• CAS DataBase Reference: 2-Amino-3-nitro-6-phenylpyridine(CAS DataBase Reference)
• NIST Chemistry Reference: 2-Amino-3-nitro-6-phenylpyridine(102266-15-9)
• EPA Substance Registry System: 2-Amino-3-nitro-6-phenylpyridine(102266-15-9)

Safety Data

• Hazardous Substances Data: 102266-15-9(Hazardous Substances Data)

Usage

General Description

2-Amino-3-nitro-6-phenylpyridine is a chemical compound represented under the CAS registry number 82647-18-9. It's part of the Phenylpyridines group, compounds containing a phenylpyridine moiety, consisting of a pyridine bound to a phenyl group. The compound as it indicates has an aromatic ring structure with an attached nitro group (-NO2) and amino group (-NH2). Like other such compounds, it is likely to be used in organic synthesis, such as the production of various pharmaceuticals, dyes, polymers, or agrochemicals. However, specific information about its usage, safety, or potential toxic effects is not readily available and may require further research or consultation with a specialist.

Synthetic route

1,1-diamino-2-nitroethene (71090-35-2) + 3-Dimethylamino-1-phenyl-2-propen-1-on (31919-75-2) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
With acetic acid In ethanol for 4h; Heating;	80%

2-amino-6-chloro-3-nitropyridine (27048-04-0) + phenylboronic acid (98-80-6) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
Stage #1: 2-amino-6-chloro-3-nitropyridine; phenylboronic acid With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate monohydrate In water; toluene for 0.333333h; Inert atmosphere; Stage #2: With tris-(dibenzylideneacetone)dipalladium(0) In water; toluene Inert atmosphere; Reflux;	75%
With sodium carbonate; tetrakis(triphenylphosphine) palladium(0) In tetrahydrofuran; water; toluene at 90℃; for 12h;	53%
With tetrakis(triphenylphosphine) palladium(0); potassium carbonate In ethanol; water; toluene at 80 - 85℃; for 12h; Inert atmosphere;

3-Dimethylamino-1-phenyl-2-propen-1-on (31919-75-2) + 1,1-di(methylsulfanyl)-2-nitroethylene (13623-94-4) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
With ammonium acetate In ethanol for 6h; Heating;	65%

nitroacetamidine (13514-88-0) + sodiobenzoylacetaldehyde → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
With hydrogenchloride In ethanol for 16h; Heating;	60%

6-bromo-3-nitro-pyridin-2-ylamine (84487-04-7) + phenylboronic acid (98-80-6) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol; water at 100℃; for 0.5h; Inert atmosphere; Microwave irradiation;	56%
With tetrakis(triphenylphosphine) palladium(0); sodium carbonate In 1,2-dimethoxyethane; ethanol; water at 100℃; for 0.5h; Inert atmosphere; Microwave irradiation;	0.280 g

(E)-3-(N,N-dimethylamino)-1-phenyl-2-propen-1-one (1131-80-2, 1201-93-0, 31919-75-2) + 1,1-diamino-2-nitroethene (71090-35-2) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
With acetic acid In ethanol Heating;

2,6-dicholoro-3-nitropyridine (16013-85-7) → 2-amino-3-nitro-6-phenylpyridine (102266-15-9)

Conditions	Yield
Multi-step reaction with 2 steps 1.1: ammonia / ethanol / 3 h / 0 °C 2.1: dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; potassium phosphate monohydrate / water; toluene / 0.33 h / Inert atmosphere 2.2: Inert atmosphere; Reflux View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 2,3-Diamino-6-phenylpyridin (144563-51-9)

Conditions	Yield
Stage #1: 2-amino-3-nitro-6-phenylpyridine With hydrogenchloride; iron In methanol; water at 20 - 80℃; for 1h; Stage #2: With sodium hydroxide In methanol; water at 0℃;	99%
With hydrogen; palladium on activated charcoal In ethyl acetate under 2625.2 Torr; for 1.5h; Ambient temperature;	96%

tert-butyl N-(4-bromobenzyl)carbamate (68819-84-1) + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → C23H24N4O4

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran for 17h; Inert atmosphere;	92%

tert-butyl (1-(4-bromophenyl)cyclobutyl)carbamate (1032350-06-3) + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl (1-(4-((3-nitro-6-phenylpyridin-2-yl)amino)phenyl)cyclobutyl)carbamate (1439394-28-1)

Conditions	Yield
With tris-(dibenzylideneacetone)dipalladium(0); caesium carbonate; 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene In tetrahydrofuran at 70℃; Inert atmosphere;	75%

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 3-nitro-6-phenylpyridin-2(1H)-one (39258-93-0)

Conditions	Yield
With tert.-butylnitrite In tetrahydrofuran; water at 40℃; for 14h; Inert atmosphere;	73.8%

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 2-chloro-3-nitro-6-phenylpyridine (187242-88-2)

Conditions	Yield
With hydrogenchloride; sodium nitrite Ambient temperature;	45%
With hydrogenchloride; sodium nitrite Ambient temperature;	45%
With tert.-butylnitrite; copper(l) chloride In acetonitrile Heating; Inert atmosphere;	33%
Multi-step reaction with 2 steps 1: tert.-butylnitrite / water; tetrahydrofuran / 14 h / 40 °C / Inert atmosphere 2: trichlorophosphate / acetonitrile / 70 - 80 °C / Inert atmosphere View Scheme

7-(4-(tert-butoxycarbonyl)-piperazin-1-yl)quinoline-3-carboxylic acid (1609391-35-6) + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → C30H30N6O5 (1609389-81-2)

Conditions	Yield
With pyridine; trichlorophosphate at 0 - 20℃;	41%

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 1-(3-ethylamino-6-phenyl-2-pyridyl)piperazine (198017-52-6)

Conditions	Yield
Multi-step reaction with 5 steps 1: 45 percent / NaNO2, aq. HCl / Ambient temperature 2: 95 percent / K2CO3 / acetonitrile / 48 h / Ambient temperature 3: 87 percent / H2 / 10percent Pd/C / ethyl acetate / 6 h / 2700.2 Torr 4: 77 percent / NaCNBH3 / methanol / 48 h / Ambient temperature 5: 87 percent / aq. NaOH / ethane-1,2-diol / 150 °C View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → ethyl 4-(3-amino-6-phenyl-2-pyridyl)-1-piperazinocarboxylate (198017-50-4)

Conditions	Yield
Multi-step reaction with 3 steps 1: 45 percent / NaNO2, aq. HCl / Ambient temperature 2: 95 percent / K2CO3 / acetonitrile / 48 h / Ambient temperature 3: 87 percent / H2 / 10percent Pd/C / ethyl acetate / 6 h / 2700.2 Torr View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → ethyl 4-(3-ethylamino-6-phenyl-2-pyridyl)-1-piperazinocarboxylate (198017-51-5)

Conditions	Yield
Multi-step reaction with 4 steps 1: 45 percent / NaNO2, aq. HCl / Ambient temperature 2: 95 percent / K2CO3 / acetonitrile / 48 h / Ambient temperature 3: 87 percent / H2 / 10percent Pd/C / ethyl acetate / 6 h / 2700.2 Torr 4: 77 percent / NaCNBH3 / methanol / 48 h / Ambient temperature View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → ethyl 4-(3-nitro-6-phenyl-2-pyridyl)-1-piperazinocarboxylate (198017-49-1)

Conditions	Yield
Multi-step reaction with 2 steps 1: 45 percent / NaNO2, aq. HCl / Ambient temperature 2: 95 percent / K2CO3 / acetonitrile / 48 h / Ambient temperature View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 6-phenyl-atevirdine

Conditions

Yield

Multi-step reaction with 6 steps 1: 45 percent / NaNO2, aq. HCl / Ambient temperature 2: 95 percent / K2CO3 / acetonitrile / 48 h / Ambient temperature 3: 87 percent / H2 / 10percent Pd/C / ethyl acetate / 6 h / 2700.2 Torr 4: 77 percent / NaCNBH3 / methanol / 48 h / Ambient temperature 5: 87 percent / aq. NaOH / ethane-1,2-diol / 150 °C 6: 62 percent / CDI / tetrahydrofuran / 20 h / Ambient temperature View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 3-nitro-6-phenylpyridine-2-carbonitrile

Conditions	Yield
Multi-step reaction with 2 steps 1: 45 percent / aq. HCl, NaNO2 / Ambient temperature 2: 12 percent / dimethylformamide / 4 h / Heating View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 2-<2-Methoxy-4-(methylthio)phenyl>-5-phenylimidazo-1H-<4,5-b>pyridin (144563-53-1)

Conditions	Yield
Multi-step reaction with 2 steps 1: 96 percent / H2 / 10percent Pd/C / ethyl acetate / 1.5 h / 2625.2 Torr / Ambient temperature 2: 55 percent / POCl3 / a) r.t., 15 min, 2) reflux, 5 h View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → (+/-)-2-<2-Methoxy-4-(methylsulfinyl)phenyl>-5-phenylimidazo-1H-<4,5-b>pyridin (144563-55-3)

Conditions	Yield
Multi-step reaction with 3 steps 1: 96 percent / H2 / 10percent Pd/C / ethyl acetate / 1.5 h / 2625.2 Torr / Ambient temperature 2: 55 percent / POCl3 / a) r.t., 15 min, 2) reflux, 5 h 3: 69 percent / 30percent H2O2 / acetic acid / 24 h / Ambient temperature View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl(1-(4-((3-amino-6-phenylpyridin-2-yl)amino)phenyl)cyclobutyl)carbamate (1439394-30-5)

Conditions	Yield
Multi-step reaction with 2 steps 1: tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; caesium carbonate / tetrahydrofuran / 70 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr View Scheme
Multi-step reaction with 3 steps 1: copper(l) chloride; tert.-butylnitrite / acetonitrile / Heating; Inert atmosphere 2: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 3: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr View Scheme
Multi-step reaction with 4 steps 1: tert.-butylnitrite / water; tetrahydrofuran / 14 h / 40 °C / Inert atmosphere 2: trichlorophosphate / acetonitrile / 70 - 80 °C / Inert atmosphere 3: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 4: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl (1-(4-((3-nitro-6-phenylpyridin-2-yl)amino)phenyl)cyclobutyl)carbamate (1439394-28-1)

Conditions	Yield
Multi-step reaction with 2 steps 1: copper(l) chloride; tert.-butylnitrite / acetonitrile / Heating; Inert atmosphere 2: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C View Scheme
Multi-step reaction with 3 steps 1: tert.-butylnitrite / water; tetrahydrofuran / 14 h / 40 °C / Inert atmosphere 2: trichlorophosphate / acetonitrile / 70 - 80 °C / Inert atmosphere 3: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl (1-(4-(2-(2-aminopyridin-3-yl)-5-phenyl-3H-imidazo[4,5-b]pyridin-3-yl)phenyl)cyclobutyl)carbamate (1313881-69-4)

Conditions	Yield
Multi-step reaction with 3 steps 1: tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; caesium carbonate / tetrahydrofuran / 70 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 3: acetic acid / methanol / 45 h / 20 °C View Scheme
Multi-step reaction with 4 steps 1: copper(l) chloride; tert.-butylnitrite / acetonitrile / Heating; Inert atmosphere 2: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 3: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 4: acetic acid / methanol / 45 h / 20 °C View Scheme
Multi-step reaction with 5 steps 1: tert.-butylnitrite / water; tetrahydrofuran / 14 h / 40 °C / Inert atmosphere 2: trichlorophosphate / acetonitrile / 70 - 80 °C / Inert atmosphere 3: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 4: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 5: acetic acid / methanol / 45 h / 20 °C View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl (1-(4-(2-(2-aminopyridin-3-yl)-5-phenyl-3H-imidazo[4,5-b]pyridin-3-yl)phenyl)cyclobutyl)carbamate (1313881-69-4) + C32H34N6O2

Conditions	Yield
Multi-step reaction with 3 steps 1: tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; caesium carbonate / tetrahydrofuran / 70 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 3: acetic acid / methanol / 21 h / 20 °C View Scheme
Multi-step reaction with 4 steps 1: copper(l) chloride; tert.-butylnitrite / acetonitrile / Heating; Inert atmosphere 2: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 3: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 4: acetic acid / methanol / 21 h / 20 °C View Scheme
Multi-step reaction with 5 steps 1: tert.-butylnitrite / water; tetrahydrofuran / 14 h / 40 °C / Inert atmosphere 2: trichlorophosphate / acetonitrile / 70 - 80 °C / Inert atmosphere 3: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 4: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 5: acetic acid / methanol / 21 h / 20 °C View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → 3-(3-(4-(1-aminocyclobutyl)phenyl)-5-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)pyridin-2-amine (1313881-70-7)

Conditions	Yield
Multi-step reaction with 4 steps 1: tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; caesium carbonate / tetrahydrofuran / 70 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 3: acetic acid / methanol / 21 h / 20 °C 4: methanesulfonic acid / 2 h / 29 °C / Large scale View Scheme
Multi-step reaction with 4 steps 1: tris-(dibenzylideneacetone)dipalladium(0); 4,5-bis(diphenylphos4,5-bis(diphenylphosphino)-9,9-dimethylxanthenephino)-9,9-dimethylxanthene; caesium carbonate / tetrahydrofuran / 70 °C / Inert atmosphere 2: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 3: acetic acid / methanol / 45 h / 20 °C 4: methanesulfonic acid / 2 h / 29 °C / Large scale View Scheme
Multi-step reaction with 5 steps 1: copper(l) chloride; tert.-butylnitrite / acetonitrile / Heating; Inert atmosphere 2: sodium carbonate / N,N-dimethyl acetamide / 18.5 h / 100 °C 3: palladium 10% on activated carbon; hydrogen / tetrahydrofuran / 22 h / 30 °C / 2068.65 Torr 4: acetic acid / methanol / 21 h / 20 °C 5: methanesulfonic acid / 2 h / 29 °C / Large scale View Scheme

2-(4-acetylpiperazin-1-yl)acetic acid (705941-45-3) + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → C19H21N5O4

Conditions	Yield
Stage #1: 2-(4-acetylpiperazin-1-yl)acetic acid With 1,1'-carbonyldiimidazole In N,N-dimethyl-formamide at 20℃; for 1h; Stage #2: 2-amino-3-nitro-6-phenylpyridine With sodium hydride In N,N-dimethyl-formamide; mineral oil at 20℃; for 1h;	150 mg

C8H11N3O2 + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → C19H18N6O3

Conditions	Yield
Stage #1: C8H11N3O2 With oxalyl dichloride In dichloromethane; N,N-dimethyl-formamide at 20℃; for 1h; Cooling with ice; Stage #2: 2-amino-3-nitro-6-phenylpyridine With sodium hydride In dichloromethane; N,N-dimethyl-formamide; mineral oil at 20℃; for 2h;	80 mg

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl 3-((3-amino-6-phenylpyridin-2-yl)carbamoyl)-3-fluoropiperidine-1-carboxylate

Conditions	Yield
Multi-step reaction with 2 steps 1.1: pyridine; trichlorophosphate / dichloromethane / 16 h / 0 - 20 °C 2.1: ammonium chloride / water; ethanol / 0.25 h / Reflux 2.2: 2 h / Reflux View Scheme

2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl 3-fluoro-3-(5-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)piperidine-1-carboxylate

Conditions	Yield
Multi-step reaction with 3 steps 1.1: pyridine; trichlorophosphate / dichloromethane / 16 h / 0 - 20 °C 2.1: ammonium chloride / water; ethanol / 0.25 h / Reflux 2.2: 2 h / Reflux 3.1: acetic acid / 1 h / 60 °C View Scheme

1-(tert-butoxycarbonyl)-3-fluoropiperidine-3-carboxylic acid (934342-39-9) + 2-amino-3-nitro-6-phenylpyridine (102266-15-9) → tert-butyl 3-fluoro-3-((3-nitro-6-phenylpyridin-2-yl)carbamoyl)piperidine-1-carboxylate

Conditions	Yield
With pyridine; trichlorophosphate In dichloromethane at 0 - 20℃; for 16h;	0.6 g

Upstream product

• 16013-85-7 2,6-dicholoro-3-nitropyridine 
• 84487-04-7 6-bromo-3-nitro-pyridin-2-ylamine 
• 98-80-6 phenylboronic acid 
• 1131-80-2 (E)-3-(N,N-dimethylamino)-1-phenyl-2-propen-1-one 
• 71090-35-2 1,1-diamino-2-nitroethene 
• 13514-88-0 nitroacetamidine 
• 31919-75-2 3-Dimethylamino-1-phenyl-2-propen-1-on 
• 13623-94-4 1,1-di(methylsulfanyl)-2-nitroethylene 
• 27048-04-0 2-amino-6-chloro-3-nitropyridine 

Downstream Products

• 1609389-81-2 C₃₀H₃₀N₆O₅ 
• 1439394-28-1 tert-butyl (1-(4-((3-nitro-6-phenylpyridin-2-yl)amino)phenyl)cyclobutyl)carbamate 
• 1313881-70-7 3-(3-(4-(1-aminocyclobutyl)phenyl)-5-phenyl-3H-imidazo[4,5-b]pyridin-2-yl)pyridin-2-amine 
• 1313881-69-4 tert-butyl (1-(4-(2-(2-aminopyridin-3-yl)-5-phenyl-3H-imidazo[4,5-b]pyridin-3-yl)phenyl)cyclobutyl)carbamate 
• 39258-93-0 3-nitro-6-phenylpyridin-2(1H)-one 
• 1439394-30-5 tert-butyl(1-(4-((3-amino-6-phenylpyridin-2-yl)amino)phenyl)cyclobutyl)carbamate 
• 144563-55-3 (+/-)-2-<2-Methoxy-4-(methylsulfinyl)phenyl>-5-phenylimidazo-1H-<4,5-b>pyridin 
• 144563-53-1 2-<2-Methoxy-4-(methylthio)phenyl>-5-phenylimidazo-1H-<4,5-b>pyridin 
• 198017-49-1 ethyl 4-(3-nitro-6-phenyl-2-pyridyl)-1-piperazinocarboxylate 
• 198017-51-5 ethyl 4-(3-ethylamino-6-phenyl-2-pyridyl)-1-piperazinocarboxylate 
• 198017-50-4 ethyl 4-(3-amino-6-phenyl-2-pyridyl)-1-piperazinocarboxylate 
• 198017-52-6 1-(3-ethylamino-6-phenyl-2-pyridyl)piperazine 
• 144563-51-9 2,3-Diamino-6-phenylpyridin 

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