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Chemical Structure| 380380-60-9
Chemical Structure| 380380-60-9
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Product Details of [ 380380-60-9 ]

CAS No. :380380-60-9 MDL No. :MFCD08062726
Formula : C6H4BrN5 Boiling Point : -
Linear Structure Formula :- InChI Key :LBDJSOHAVRCQPD-UHFFFAOYSA-N
M.W : 226.03 Pubchem ID :23438683
Synonyms :

Calculated chemistry of [ 380380-60-9 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 12
Num. arom. heavy atoms : 11
Fraction Csp3 : 0.0
Num. rotatable bonds : 1
Num. H-bond acceptors : 4.0
Num. H-bond donors : 1.0
Molar Refractivity : 45.11
TPSA : 67.35 Ų

Pharmacokinetics

GI absorption : High
BBB permeant : No
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -7.06 cm/s

Lipophilicity

Log Po/w (iLOGP) : 1.35
Log Po/w (XLOGP3) : 0.87
Log Po/w (WLOGP) : 1.02
Log Po/w (MLOGP) : 0.99
Log Po/w (SILICOS-IT) : 1.82
Consensus Log Po/w : 1.21

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 0.0
Bioavailability Score : 0.56

Water Solubility

Log S (ESOL) : -2.4
Solubility : 0.896 mg/ml ; 0.00396 mol/l
Class : Soluble
Log S (Ali) : -1.87
Solubility : 3.06 mg/ml ; 0.0135 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -3.5
Solubility : 0.0723 mg/ml ; 0.00032 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.0

Safety of [ 380380-60-9 ]

Signal Word:Danger Class:4.1
Precautionary Statements:P240-P210-P241-P264-P280-P302+P352-P370+P378-P337+P313-P305+P351+P338-P362+P364-P332+P313 UN#:1325
Hazard Statements:H315-H319-H228 Packing Group:
GHS Pictogram:

Application In Synthesis of [ 380380-60-9 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 380380-60-9 ]

[ 380380-60-9 ] Synthesis Path-Downstream   1~8

  • 1
  • [ 380380-60-9 ]
  • [ 74-88-4 ]
  • [ 380380-64-3 ]
  • [ 380380-63-2 ]
YieldReaction ConditionsOperation in experiment
With sodium hydroxide; In DMF (N,N-dimethyl-formamide); at 0 - 20℃; for 2h; 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl) pyridine and 5-bromo-2- (1-methyl-1H-tetrazol-5- yl) pyridine. 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine and 5-bromo-2-(1-methyl-1H-tetrazol-5- yl) pyridine were prepared according to the procedure described by Dong A Pharmaceuticals (WO 01/94342). A mixture of 6.5 g unpurified 5-bromo-2-tetrazol-5-ylpyridine [Dong A Pharmaceuticals (WO 01/94342) ] (~28 mmol) and sodium hydroxide (9 g, 125 mmol) in dry dmf was evaporated to dryness under reduced pressure. A stirred solution of the involatile residue in dry DMF (50 mL) was treated dropwise at ice-bath temperature with iodomethane (3.0 ML, 48 mmol). The stirred reaction mixture was allowed to warm and then maintained at room temperature for 2 hours. The reaction mixture was partitioned between iced water and ethyl acetate. The organic phase was washed with water, dried over magnesium sulfate, and tehn evaporated under reduced pressure to give a residue that was purified by chromatography on silica gel [elution with dichloromethane : ethyl acetate (60: 1) ] to give: 1. 5-bromo-2- (1-methyl-1H-tetrazol-5-yl)pyridine (1.397 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 3), 1H-NMR (DMSO-d6) (300 MHz) 8 : 4.38 (s, 3H); 8.17 (d, 1H); 8.35 (dd, 1H); 8.96 (d, 1H). 2. 5-bromo-2-(2-methyl-2H-tetrazol-5-yl)pyridine (1.07 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf : 0. 1). 1H-NMR (DMSO-d6) (300 MHz) No. : 4.46 (s, 3H); 8.09 (d, 1H) ; 8.28 (dd, 1H) ; 8.88 (d, 1H).
With sodium hydroxide; In DMF (N,N-dimethyl-formamide); at 0 - 20℃; for 2h; 5-BROMO-2- (2-METHYL-2H-TETRAZOL-5-YL) PYRIDINE AND 5-BROMO-2- (L-METHYL-LH-TETRAZOL-5- YL) pyridine 5-Bromo-2-(2-methyl-2H-tetrazol-5-yl) pyridine and 5-BROMO-2- (1-METHYL-LH-TETRAZOL-5- YL) pyridine were prepared according to the procedure described by Dong A Pharmaceuticals (WO 01/94342). A mixture of 6.5 g unpurified <strong>[380380-60-9]5-BROMO-2-TETRAZOL-5-YLPYRIDINE</strong> [Dong A Pharmaceuticals (WO 01/94342)] (-28 mmol) and sodium hydroxide (9 g, 125 mmol) in dry DMF was evaporated to dryness under reduced pressure. A stirred solution of the involatile residue in dry DMF (50 ML) was treated dropwise at ice-bath temperature with iodomethane (3.0 mL, 48 mmol). The stirred reaction mixture was allowed to warm and then maintained at room temperature for 2 hours. The reaction mixture was partitioned between iced water and ethyl acetate. The organic phase was washed with water, dried over magnesium sulfate, and tehn evaporated under reduced pressure to give a residue that was purified by chromatography on silica gel [elution with dichloromethane : ethyl acetate (60: 1) ] to give: 1. 5-bromo-2-(1-methyl-1H-tetrazol-5-yl) pyridine (1.397 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0.3),'H-NMR (DMSO-D) (300 MHz) 8 : 4.38 (s, 3H); 8.17 (d, 1H); 8.35 (dd, 1H); 8.96 (d, 1H). 2. 5-bromo-2-(2-methyl-2H-tetrazol-5-yl) pyridine (1.07 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 1). LH-NMR (DMSO-DSLT300 MHz) 8 4.46 (s, 3H); 8.09 (d, 1H); 8.28 (dd, 1H) ; 8.88 (d, 1H). Structure assignment based on nmr HMBC experiments, in which long range coupling of the protons of CH3 to the C5 of the tetrazole ring is observed in the 1-methyl-1H-isomer of Rf 0.3, but not in the 2-methyl-2H-isomer of Rf 0.1). The compound referred to as 5-bromo-2- (1-METHYL-LH-TETRAZOL-5-YL) pyridine is thus the isomer of Rf 0.3 and the compound referred to as 5-BROMO-2-(2-METHYL-2H-TETRAZOL-5-YL) PYRIDINE is thus the ISOMER OF RF 0. 1
With sodium hydroxide; In DMF (N,N-dimethyl-formamide); at 0 - 20℃; for 2h; 5-BROMO-2-(2-METHYL-2H-TETRAZOL-5-YL) PENDINE AND 5-BROMO-2-(1-METHEL-LH-TETRAZOL-5- 1 pyridine 5-BROMO-2- (2-METHYL-2H-TETRAZOL-5-YL) PYRIDINE AND 5-BROMO-2- (L-METHYL-LH-TETRAZOL-5- yl) pyridine were prepared according to the procedure described by Dong A Pharmaceuticals (WO 01/94342). A mixture of 6.5 g unpurified <strong>[380380-60-9]5-BROMO-2-TETRAZOL-5-YLPYRIDINE</strong> [Dong A Pharmaceuticals (WO 01/94342)] (-28 mmol) and sodium hydroxide (9 g, 125 mmol) in dry DMF was evaporated to dryness under reduced pressure. A stirred solution of the involatile residue in dry DMF (50 ML) was treated dropwise at ice-bath temperature with iodomethane (3.0 mL, 48 mmol). The stirred reaction mixture was allowed to warm and then maintained at room temperature for 2 hours. The reaction mixture was partitioned between iced water and ethyl acetate. The organic phase was washed with water, dried over magnesium sulfate, and tehn evaporated under reduced pressure to give a residue that was purified by chromatography on silica gel [ELUTION WITH DICHLOROMETHANE: ETHYL ACETATE (60: 1) ] TO GIVE: 1. 5-BROMO-2-(1-METHYL-LH-TETRAZOL-5-YL) pyridine (1.397 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 3), 1H-NMR (DMSO-D6) (300 MHZ) 8 : 4.38 (s, 3H); 8.17 (d, 1H); 8.35 (dd, 1H); 8.96 (d, 1H). 2. 5-BROMO-2- (2-METHYL-2H-TETRAZOL-5-YL) pyridine (1.07 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 1). LH-NMR (DMSO-D) (300 MHZ) 8 4.46 (s, 3H); 8.09 (d, 1H) ; 8.28 (dd, 1H); 8.88 (d, 1H). Structure assignment based on HMBC experiments, in which long range coupling of the protons of CH3 to the C5 of the tetrazole ring is observed in the 1-METHYL-LH-ISOMER of Rf 0.3, but not in the 2-methyl-2H-isomer of Rf 0.1). The compound referred to as 5-bromo-2- (1-METHYL-1H-TETRAZOL-5-YL) PYRIDINE is thus the isomer of Rf 0.3 and the compound referred to as 5-BROMO-2-(2-METHYL-2H-TETRAZOL-5-YL) PYRIDINE is thus the isomer OF RF 0. 1
A mixture of 6.5 g unpurified 5-bromo-2-tetrazol-5-ylpyridine [Dong A Pharmaceuticals (WO 01/94342)] (-28 mmol) and sodium hydroxide (9 g, 125 mmol) in dry DMF was evaporated to dryness under reduced pressure. A stirred solution of the involatile residue in dry DMF (50 ML) was treated dropwise at ice-bath temperature with iodomethane (3.0 mL, 48 mmol). The stirred reaction mixture was allowed to warm and then maintained at room temperature for 2 hours. The reaction mixture was partitioned between iced water and ethyl acetate. The organic phase was washed with water, dried over magnesium sulfate, and tehn evaporated under reduced pressure to give a residue that was purified by chromatography on silica gel [elution with dichloromethane: ethyl acetate (60: 1) ] to give: 1. 5-BROMO-2- (L-METHYL-LH-TETRAZOL-5-YL) pyridine (1.397 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 3), (DMSO-D6) (300 MHZ) 8 : 4.38 (s, 3H); 8.17 (d, 1H) ; 8.35 (dd, 1H); 8.96 (d, 1H). 2. 5-BROMO-2- (2-METHYL-2H-TETRAZOL-5-YL) pyridine (1.07 g), a colorless solid, (TLC: silica-gel, hexanes: ethyl acetate (4: 1), Rf: 0. 1). 1H-NMR (DMSO-D6) (300 MHZ) 8 4.46 (s, 3H); 8.09 (d, 1H); 8.28 (dd, 1H); 8.88 (d, 1H). Structure assignment based on HMBC experiments, in which long range coupling of the protons of CH3 to the C5 of the tetrazole ring is observed in the 1-METHYL-LH-ISOMER of Rf 0.3, but not in the 2-methyl-2H-isomer of Rf 0.1). The compound referred to as 5-bromo-2- (1-METHYL-LH-TETRAZOL-5-YL) pyridine is thus the isomer of Rf 0.3 and the compound referred to as 5-BROMO-2- (2-METHYL-2H-TETRAZOL-5-YL) pyridine is thus the isomer OF RF 0. 1
With potassium hydroxide; In N,N-dimethyl-formamide; at 20℃; for 23h; To the solution of crude <strong>[380380-60-9]5-bromo-2-(2H-tetrazol-5-yl)pyridine</strong>(3.15 g,.13.9 mmol) in DMF (32 mL) was added MeI (7.92 g, 55.8 mmol) and KOH (1.95 g, 34.8 mmol) at room temperature. The mixture was stirred for 23 h at r.t.. The reaction mixture was poured into ice water (100 mL) and extracted with EtOAc. The organic layer was washed with brine, dried (Na2SO4), and evaporated under vacuum to give a residue, further purified by flash column chromatography (hexanes - EtOAc from 50: 1 to 10:1) to give 5-bromo-2- (2-methyl-2H-tetrazol-5-yl)pyridine as yellow solid (1.32 g, 43% yield over 2 steps) and 5- bromo-2-(l-methyl-lH-tetrazol-5-yl)pyridine as a white solid (0.97 g, 32% yield, 2 steps).

  • 2
  • [ 97483-77-7 ]
  • [ 380380-60-9 ]
YieldReaction ConditionsOperation in experiment
91.8% With pyridine; sodium azide; zinc(II) chloride; at 40 - 120℃; for 2h; Pyridine (40.0 mL, 4.0 v/w) was placed in a reactor, and zinc chloride (11.2 g, 81.9 mmol) was added dropwise at 40C or less. Thereafter, sodium azide (8.90 g, 137 mmol) and 5-bromo-2-cyanopyridine (10.0 g, 54.6 mmol) were added into the reactor, and the reaction mixture was stirred to reflux at 120C for 2 hr. After the termination of the reaction, the reaction product was cooled to room temperature, added with purified water (200 mL, 20.0 v/w), stirred at room temperature for 1 hr, filtered, and washed with purified water (200 mL, 20.0 v/w). The filtered solid was added with a 6 N hydrochloric acid aqueous solution (200 mL, 20.0 v/w) and then stirred at room tem[43jperature for 2 hr. The reaction product was filtered, washed with purified water (200mL, 20.0 v/w), and concentrated under reduced pressure, thus yielding a desired whitecompound. Yield (11.34 g, 91.8%), Purity 99.4%5-bromo-2-(2H-tetrazol-5-yl)pyridine:1H NMRoe (DMSO-d6, ppm) 8.95 (d,1H), 8.35 (dd,1H), 8.17 (d,1H)
With sodium azide; ammonium chloride; In DMF (N,N-dimethyl-formamide); at 120℃; for 1h; 5-Bromo-2-tetrazol-5-ylpyridine. A mixture OF 3-bromo-6-cyano-pyridine (2 g, 10.9 mmol), sodium azide (0.85 g, 13 mmol), and ammonium chloride (0.59 g, 11 mmol) in N,N-dimethylformamide (20 mL) was heated for 1 h at 120 C. The reaction mixture was diluted with ethyl acetate (~ 100 mL) and the product was isolated by filtration and then washed with ethyl acetate to give the title compound, an off-white amorphous solid which was used in the next step without further purification.
With sodium azide; ammonium chloride; In DMF (N,N-dimethyl-formamide); at 120℃; for 1h; 5-BROMO-2-TETRAZOL-5-YLPYRIDINE A mixture of 3-BROMO-6-CYANO-PYRIDINE (2 g, 10.9 mmol), sodium azide (0.85 g, 13 mmol), and ammonium chloride (0. 59 g, 11 mmol) in N, N-DIMETHYLFORMAMIDE (20 mL) was heated for 1 h at 120 C. The reaction mixture was diluted with ethyl acetate (-100 ML) and the product was isolated by filtration and then washed with ethyl acetate to give the title compound, an off-white amorphous solid which was used in the next step without further purification.
With sodium azide; ammonium chloride; In DMF (N,N-dimethyl-formamide); at 120℃; for 1h; 5-Bromo-2-tetrazol-5-ylpyridine A mixture of 3-BROMO-6-CYANO-PYRIDINE (2 g, 10.9 mmol), sodium azide (0.85 g, 13 mmol), and ammonium chloride (0.59 g, 11 mmol) in N, N-dimethylformamide (20 mL) was heated for 1 h at 120 C. The reaction mixture was diluted with ethyl acetate (-100 mL) and the product was isolated by filtration and then washed with ethyl acetate to give the title compound, an off-white amorphous solid which was used in the next step without further purification
With sodium azide; ammonium chloride; In DMF (N,N-dimethyl-formamide); at 120℃; for 1h; A mixture of 3-bromo-6-cyano-pyridine (2 g, 10.9 mmol), sodium azide (0.85 g, 13 mmol), and ammonium chloride (0.59 g, 11 mmol) in N, N-DIMETHYLFORMAMIDE (20 mL) was heated for 1 h at 120 C. The reaction mixture was diluted with ethyl acetate (-100 mL) and the product was isolated by filtration and then washed with ethyl acetate to give the title compound, an off-white amorphous solid which was used in the next step without further purification.
To the solution of 5-bromopicolinonitrile (2.33 g, 12.7 mmol) in DMF (26 mL) was added NH4Cl (2.18 g, 40.7 mmol) and NaN3 (1.24 g, 19.1 mmol) at r.t.and the mixture was heated to 120 0C for 4 h. The reaction mixture was poured into ice water (100 mL) and acidified to pH=2 with 6N HCl, stirred for 1 h, and the mixture was extracted with EtOAc. The organic phases were combined, dried (Na2SO4) and evaporated under vacuum to give crude 5-bromo-2-(2H-tetrazol-5-yl)pyridine in 3.15g, which was used for next step without further purification.

  • 3
  • [ 380380-60-9 ]
  • [ 85951-09-3 ]
  • [ 700370-50-9 ]
  • C21H38BrN5O2Si2 [ No CAS ]
YieldReaction ConditionsOperation in experiment
With di-isopropyl azodicarboxylate; triphenylphosphine; In tetrahydrofuran; at 0 - 20℃; 2-[5-(5-bromopyridin-2-yl)-1H-tetrazol-1-ylpropane-1,3-diol. 5-Bromo-2-(2H-tetrazol-5-yl)pyridiue 0.56 g (2.5 mmol) (WO 0194342 Al, the free acid was generated by dissolving the material obtained following the procedure in WO 0194342 Al (1 g) in hot water (70 mL, 90 C) ; upon addition OF HCl (aqueous, 1M, 4 mL) and cooling to room temperature the free acid precipitated, was collected by filtration, washed with water and dried under high vacuum to give 0.56 g free acid), triphenylphosphine (0.65 g, 2.5 mmol) and 1,3-bis-(tert-butyl-dimethyl-silanyloxy)-propan-2-ol (0.79 g, 2.5 mmol) (D. P. Curran and J.-C. Chao, Synth. Commun. 20, No 22, 1990, 3575-3584) were dissolved/suspended in dry THF (25 mL). It was cooled to 0C and diisopropylazodicarboxylate (0.49 mL, 2.5 mmol) was added and the reaction was allowed to warm to room temp. over night. The solvent was evaporated under reduced pressure and the residue subjected to chromatography on silica gel with hexanes/ethyl acetate (30: 1) to give the bis-silyl ether of the title compound as a mixture together with the corresponding 2H-tetrazole regioisomer (809 mg). This mixture was dissolved in dry THF (10 mL), cooled to 0C and tetrabutylammonium fluoride (1M in THF, 5 mL, 5 mmol) was added drop wise. After one hour solvent was evaporated and the residue subjected to chromatography on silica gel with dichloromethane/acetone (3:1 to 2:1) to give 318 mg of the title compound and 69 mg of the corresponding regioisomeric 2H-substituted tetrazole. The assignment of structure was based on NOE-NMR experiments with the title compound. 1H-NMR (DMSO-d6) delta: 3.80-3.95 (m, 4H); 5.01 (t, 2H); 5.69 (m, 1H) ; 8.14 (m, 1H); 8.35 (m, 1H) ; 8.94 (m, 1H).
  • 4
  • [ 380380-60-9 ]
  • [ 590-17-0 ]
  • [ 1217273-69-2 ]
YieldReaction ConditionsOperation in experiment
52% With potassium hydroxide; In N,N-dimethyl-formamide; at 0 - 20℃; KOH (1.7 g, 30.6 mmol) was added to a solution of Intermediate 37 (3.46 g, 15.3 mmol) in 35 mL of DMF at 0 C. Then BrCH2CN (3.2 mL, 45.9 mmol) was added dropwise. The mixture was stirred at r.t. o.n. Then 400 mL of ice-water was added and extracted with EtOAc. The organic phase was washed with brine, dried and evaporated. Purification by silica gel column (petroleum ether/EtOAc=1/3) gave 2.1 g of Intermediate 38 (yield 52%).
  • 5
  • [ 380380-60-9 ]
  • [ 380380-59-6 ]
YieldReaction ConditionsOperation in experiment
75% Intermediate 37 (5.3 g, 23.4 mol) was dissolved in Ac2O (80 mL) at r.t. and pyridine (9.2 mL) was added. The mixture was heated to 130 C. for 1.5 h. Then the solution was poured into ice-water (400 mL) and PH was adjusted to 3-4 with 6 N HCl (aq). The mixture was stirred for 20 min and filtered. The desired product was collected as a white solid (4.25 g, 75%).
  • 7
  • [ 380380-60-9 ]
  • (5S)-3-[3-fluoro-4-[6-(2-methyltetrazol-5-yl)pyridin-3-yl]phenyl]-5-(hydroxymethyl)-1,3-oxazolidin-2-one [ No CAS ]
  • 8
  • [ 380380-60-9 ]
  • C19H17FN6O4 [ No CAS ]
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