Product Name

  • Name

    Varenicline

  • EINECS
  • CAS No. 249296-44-4
  • Article Data14
  • CAS DataBase
  • Density 1.247 g/cm3
  • Solubility
  • Melting Point 138.5 °C
  • Formula C13H13N3
  • Boiling Point 400.6 °C at 760 mmHg
  • Molecular Weight 211.266
  • Flash Point 196.1 °C
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 249296-44-4 (Varenicline)
  • Hazard Symbols
  • Synonyms CP 526555;Chantix;7,8,9,10-Tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine;
  • PSA 152.87000
  • LogP 0.01010

Synthetic route

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene tosylate
1197286-22-8

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene tosylate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With ammonia In water at 20 - 30℃; pH=9 - 10; Product distribution / selectivity;95.06%
1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene)-2,2,2-trifluoro-ethanone

1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene)-2,2,2-trifluoro-ethanone

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium carbonate In methanol95%
With sodium carbonate In methanol; water at 65 - 70℃; for 3h; Product distribution / selectivity;87.2%
With water; sodium carbonate In methanol at 25 - 70℃; Product distribution / selectivity;
5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene sulfate
1333145-92-8

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene sulfate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 30℃; for 0.5h; pH=12.5 - 13.5;83%
varenicline tartrate

varenicline tartrate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide In water; toluene at 38℃; for 1.5h; Product distribution / selectivity;80%
5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene mesylate
1333146-06-7

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene mesylate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 30℃; for 0.5h; pH=12.5 - 13.5;70%
C21H21N3O
1206484-38-9

C21H21N3O

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With palladium 10% on activated carbon; ammonium formate In methanol for 0.5h; Reflux;64%
5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene fumarate
1186072-37-6

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene fumarate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide In water at 20 - 30℃; for 0.5h; pH=12.5 - 13.5;59.4%
1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene)-2,2,2-trifluoro-ethanone

1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene)-2,2,2-trifluoro-ethanone

1-(4-amino-10-aza-tricyclo[6.3.1.02,7]dodeca-2,4,6-trien-10-yl)-2,2,2-trifluoro-ethanone
230615-56-2

1-(4-amino-10-aza-tricyclo[6.3.1.02,7]dodeca-2,4,6-trien-10-yl)-2,2,2-trifluoro-ethanone

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide; water In toluene at 37 - 40℃;
7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine L-tartrate

7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine L-tartrate

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With sodium hydroxide In water for 0.0333333h;
1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,9-pentaene)-2,2,2-trifluoro-ethanone

1-(5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,9-pentaene)-2,2,2-trifluoro-ethanone

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
With water; sodium hydroxide In methanol at 0 - 30℃; for 1h; Product distribution / selectivity;
10-(trifluoroacetyl)-10-azatricyclo[6.3.1.02,7]dodeca-2,4,6-triene-4,5-diamine

10-(trifluoroacetyl)-10-azatricyclo[6.3.1.02,7]dodeca-2,4,6-triene-4,5-diamine

varenicline
249296-44-4

varenicline

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: Amberlite IRA 67 / water; tetrahydrofuran / 0 - 30 °C
2: potassium carbonate / water; methanol / 4 h / 50 - 55 °C
View Scheme
Multi-step reaction with 2 steps
1: lead(II) oxide / water; dimethyl sulfoxide / 55 - 60 °C
2: sodium hydroxide; water / methanol / 1 h / 40 - 45 °C
View Scheme
varenicline
249296-44-4

varenicline

benzenesulfonic acid
98-11-3

benzenesulfonic acid

7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepin benzenesulfonate

7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepin benzenesulfonate

Conditions
ConditionsYield
In isopropyl alcohol at 50 - 55℃; Solvent;94%
varenicline
249296-44-4

varenicline

acetic acid
64-19-7

acetic acid

varenicline acetate

varenicline acetate

Conditions
ConditionsYield
In methanol at 25℃; for 1h; Product distribution / selectivity;87.5%
varenicline
249296-44-4

varenicline

citric acid
77-92-9

citric acid

varenicline citrate
536696-70-5

varenicline citrate

Conditions
ConditionsYield
In water; isopropyl alcohol at 50 - 55℃; for 1.25h;87%
varenicline
249296-44-4

varenicline

L-Tartaric acid
87-69-4

L-Tartaric acid

varenicline L-tartarate
375815-87-5

varenicline L-tartarate

Conditions
ConditionsYield
In methanol84%
In methanol at 20 - 25℃; for 1h; Product distribution / selectivity;66.1%
In methanol
varenicline
249296-44-4

varenicline

varenicline hydrobromide

varenicline hydrobromide

Conditions
ConditionsYield
With hydrogen bromide In ethanol at 25℃; for 2h; Product distribution / selectivity;84%
varenicline
249296-44-4

varenicline

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene tosylate
1197286-22-8

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11).3.5,7,9-pentaene tosylate

Conditions
ConditionsYield
In isopropyl alcohol at 0 - 75℃; for 1.25h; Product distribution / selectivity;81.84%
varenicline
249296-44-4

varenicline

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

varenicline tosylate

varenicline tosylate

Conditions
ConditionsYield
In methanol at 25 - 70℃;64.41%
varenicline
249296-44-4

varenicline

p-trifluoromethyl-phenylisocyanate
1548-13-6

p-trifluoromethyl-phenylisocyanate

N-(4-(trifluoromethyl)phenyl)-6,7,9,10-tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxaline-8-carboxamide

N-(4-(trifluoromethyl)phenyl)-6,7,9,10-tetrahydro-8H-6,10-methanoazepino[4,5-g]quinoxaline-8-carboxamide

Conditions
ConditionsYield
In dichloromethane at 20 - 23℃; for 2h;55%
varenicline
249296-44-4

varenicline

methanesulfonic acid
75-75-2

methanesulfonic acid

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene mesylate
1333146-06-7

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene mesylate

Conditions
ConditionsYield
In acetone at 20 - 30℃; Product distribution / selectivity;1.43%
varenicline
249296-44-4

varenicline

L-Lactic acid
79-33-4

L-Lactic acid

varenicline hemi-L-lactate

varenicline hemi-L-lactate

Conditions
ConditionsYield
In tert-butyl methyl ether at 40℃; for 1h;
varenicline
249296-44-4

varenicline

Adipic acid
124-04-9

Adipic acid

varenicline hemiadipate

varenicline hemiadipate

Conditions
ConditionsYield
In isopropyl alcohol at 40℃; for 1h;
varenicline
249296-44-4

varenicline

sodium 1,2-ethanedisulphonate
5325-43-9

sodium 1,2-ethanedisulphonate

varenicline hemi-1,2-ethanedisulfonate

varenicline hemi-1,2-ethanedisulfonate

Conditions
ConditionsYield
With hydrogenchloride In water; isopropyl alcohol at 40℃; for 1h;
varenicline
249296-44-4

varenicline

malic acid
617-48-1

malic acid

varenicline L-malate

varenicline L-malate

Conditions
ConditionsYield
In isopropyl alcohol at 40℃; for 1h;
varenicline
249296-44-4

varenicline

7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine hydrochloride

7,8,9,10-tetrahydro-6,10-methano-6H-pyrazino[2,3-h][3]benzazepine hydrochloride

Conditions
ConditionsYield
With hydrogenchloride In tert-butyl methyl ether; water at 20℃; for 3h; Product distribution / selectivity;
With hydrogenchloride In methanol; ethyl acetate at 20℃; for 0.166667h;
varenicline
249296-44-4

varenicline

(2E)-but-2-enedioic acid
110-17-8

(2E)-but-2-enedioic acid

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene fumarate
1186072-37-6

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene fumarate

Conditions
ConditionsYield
In water at 20 - 70℃; for 2h; Product distribution / selectivity;
varenicline
249296-44-4

varenicline

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene sulfate
1333145-92-8

5,8,14-triazatetracyclo[10.3.1.0(2,11).0(4,9)]hexadeca-2(11),3,5,7,9-pentaene sulfate

Conditions
ConditionsYield
With sulfuric acid In water at 0 - 5℃; Product distribution / selectivity;
varenicline
249296-44-4

varenicline

varenicline sulfate

varenicline sulfate

Conditions
ConditionsYield
With sulfuric acid In ethanol; water at 5 - 25℃; for 4h; Product distribution / selectivity; Cooling; Heating;

Varenicline Specification

The 6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine,7,8,9,10-tetrahydro- is an organic compound with the formula C13H13N3. The systematic name of this chemical is 7,8,9,10-tetrahydro-6H-6,10-methanoazepino[4,5-g]quinoxaline. With the CAS registry number 249296-44-4, it is also named as Varenicline. The product's category is API Intermediates. Besides, it is a prescription medication used to treat smoking addiction. Varenicline is a nicotinic receptor partial agonist. As a partial agonist, it both reduces cravings for and decreases the pleasurable effects of cigarettes and other tobacco products, and through these mechanisms it can assist some patients to quit smoking.

Physical properties about 6,10-Methano-6H-pyrazino[2,3-h][3]benzazepine,7,8,9,10-tetrahydro- are: (1)ACD/LogP: 0.74; (2)#H bond acceptors: 3; (3)#H bond donors: 1; (4)Polar Surface Area: 29.02 Å2; (5)Index of Refraction: 1.667; (6)Molar Refractivity: 63.07 cm3; (7)Molar Volume: 169.3 cm3; (8)Polarizability: 25×10-24cm3; (9)Surface Tension: 57.9 dyne/cm; (10)Density: 1.247 g/cm3; (11)Flash Point: 196.1 °C; (12)Enthalpy of Vaporization: 65.15 kJ/mol; (13)Boiling Point: 400.6 °C at 760 mmHg; (14)Vapour Pressure: 1.25E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: n1c2cc3c(cc2ncc1)C4CNCC3C4
(2)InChI: InChI=1/C13H13N3/c1-2-16-13-5-11-9-3-8(6-14-7-9)10(11)4-12(13)15-1/h1-2,4-5,8-9,14H,3,6-7H2
(3)InChIKey: JQSHBVHOMNKWFT-UHFFFAOYAF
(4)Std. InChI: InChI=1S/C13H13N3/c1-2-16-13-5-11-9-3-8(6-14-7-9)10(11)4-12(13)15-1/h1-2,4-5,8-9,14H,3,6-7H2
(5)Std. InChIKey: JQSHBVHOMNKWFT-UHFFFAOYSA-N

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