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[ CAS No. 871014-19-6 ] {[proInfo.proName]}

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Chemical Structure| 871014-19-6
Chemical Structure| 871014-19-6
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Quality Control of [ 871014-19-6 ]

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Product Details of [ 871014-19-6 ]

CAS No. :871014-19-6 MDL No. :MFCD09040641
Formula : C9H18N2O2 Boiling Point : -
Linear Structure Formula :- InChI Key :OPDOEOOBYOABCJ-UHFFFAOYSA-N
M.W : 186.25 Pubchem ID :16228707
Synonyms :
Chemical Name :tert-Butyl (trans-3-aminocyclobutyl)carbamate

Calculated chemistry of [ 871014-19-6 ]      Expand+

Physicochemical Properties

Num. heavy atoms : 13
Num. arom. heavy atoms : 0
Fraction Csp3 : 0.89
Num. rotatable bonds : 4
Num. H-bond acceptors : 3.0
Num. H-bond donors : 2.0
Molar Refractivity : 50.48
TPSA : 64.35 ?2

Pharmacokinetics

GI absorption : High
BBB permeant : Yes
P-gp substrate : No
CYP1A2 inhibitor : No
CYP2C19 inhibitor : No
CYP2C9 inhibitor : No
CYP2D6 inhibitor : No
CYP3A4 inhibitor : No
Log Kp (skin permeation) : -7.0 cm/s

Lipophilicity

Log Po/w (iLOGP) : 2.23
Log Po/w (XLOGP3) : 0.61
Log Po/w (WLOGP) : 1.0
Log Po/w (MLOGP) : 0.56
Log Po/w (SILICOS-IT) : 0.06
Consensus Log Po/w : 0.89

Druglikeness

Lipinski : 0.0
Ghose : None
Veber : 0.0
Egan : 0.0
Muegge : 1.0
Bioavailability Score : 0.55

Water Solubility

Log S (ESOL) : -1.12
Solubility : 14.3 mg/ml ; 0.0767 mol/l
Class : Very soluble
Log S (Ali) : -1.54
Solubility : 5.43 mg/ml ; 0.0291 mol/l
Class : Very soluble
Log S (SILICOS-IT) : -1.12
Solubility : 14.1 mg/ml ; 0.0755 mol/l
Class : Soluble

Medicinal Chemistry

PAINS : 0.0 alert
Brenk : 0.0 alert
Leadlikeness : 1.0
Synthetic accessibility : 2.92

Safety of [ 871014-19-6 ]

Signal Word:Warning Class:N/A
Precautionary Statements:P261-P305+P351+P338 UN#:N/A
Hazard Statements:H302-H315-H319-H335 Packing Group:N/A
GHS Pictogram:

Application In Synthesis of [ 871014-19-6 ]

* 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 [ 871014-19-6 ]

[ 871014-19-6 ] Synthesis Path-Downstream   1~16

  • 1
  • [ 871014-18-5 ]
  • [ 871014-19-6 ]
  • 2
  • [ 871014-19-6 ]
  • [ 122-04-3 ]
  • [ 1239589-55-9 ]
  • 3
  • [ 871014-19-6 ]
  • [ 124-63-0 ]
  • [ 1443749-32-3 ]
  • 4
  • [ 871014-19-6 ]
  • [ 1452561-68-0 ]
  • 5
  • [ 871014-19-6 ]
  • [ 1452560-27-8 ]
  • 6
  • [ 615-20-3 ]
  • [ 871014-19-6 ]
  • [ 1452560-21-2 ]
YieldReaction ConditionsOperation in experiment
81% With dmap; N-ethyl-N,N-diisopropylamine; In dimethyl sulfoxide; at 110℃; for 2h; Tert-butyl(trans-3-aminocyclobutyl)carbamate (1.48 g, 7.95 mmol), 2-chlorobenzothiazole (1.6 ml, 12.93 mmol), 4-dimethylaminopyridine (0.051 g, 0.417 mmol), and diisopropylethylamine (3.0 ml, 17.25 mmol) were suspended in dry dimethylsulfoxide (5 mL) under nitrogen. The mixture was heated at 110 C. for 2 hours then cooled to room temperature. Then, the mixture was partitioned between 30% saturated ammonium chloride (300 mL) and ethyl acetate (300 mL). The organic was dried with magnesium sulfate and evaporated to dryness under reduced pressure. The crude product was triturated with 1:1 dichloromethane:hexane (50 mL total) at 40 C. The mixture was filtered through a sintered glass frit and the solids washed with additional 1:1 dichloromethane:hexane (10 mL) before drying under high vacuum to give tert-butyl(trans-3-(benzo[d]thiazol-2-ylamino)cyclobutyl) carbamate (2.063 g, 6.46 mmol, 81% yield) as an off white solid
  • 7
  • [ 5470-18-8 ]
  • [ 871014-19-6 ]
  • [ 1452560-26-7 ]
YieldReaction ConditionsOperation in experiment
63.5% With potassium carbonate; In dimethyl sulfoxide; at 110℃; for 2h; Tert-butyl(trans-3-aminocyclobutyl)carbamate (1.38 g, 7.41 mmol), 2-chloro-3-nitropyridine (1.25 g, 7.88 mmol) and potassium carbonate (0.655 ml, 10.85 mmol) were combined in dry dimethylsulfoxide (20 mL) and heated at 110 C. After 2 hours the reaction was cooled and partitioned between ethyl acetate (300 mL) and water (300 mL). The organic was dried with magnesium sulfate and evaporated to dryness under reduced pressure. Purification using silica chromatography (dichloromethane to ethyl acetate gradient) gave the desired tert-butyl(trans-3-((3-nitropyridin-2-yl)amino)cyclobutyl)carbamate (1.45 g, 4.70 mmol, 63.5% yield).
  • 8
  • [ 871014-19-6 ]
  • [ 1201362-85-7 ]
  • [ 1452560-76-7 ]
YieldReaction ConditionsOperation in experiment
31.4% With tris-(dibenzylideneacetone)dipalladium(0); dicyclohexyl-(2?,4?,6?-triisopropyl-3,6-dimethoxy-[1,1?-biphenyl]-2-yl)phosphine; sodium t-butanolate; In 1,4-dioxane; at 100℃; for 3h;Inert atmosphere; A microwave vial containing a mixture of ethyl 2-(4-chloro-2-(methylthio)pyrimidin-5-yl)-2-methylpropanoate (2.08 g, 7.57 mmol), tert-butyl(trans-3-aminocyclobutyl)carbamate (1.551 g, 8.33 mmol), tris(dibenzylideneacetone) dipalladium (0) (0.520 g, 0.568 mmol), dicyclohexyl(2?,4?,6?-triisopropyl-3,6-dimethoxy-[1,1?-biphenyl]-2-yl)phosphine (0.731 g, 1.363 mmol) and sodium tert-butoxide (2.317 ml, 18.93 mmol) in dioxane (15 mL) was purged with argon and capped. The reaction mixture was heated at 100 C. for 3 hours, cooled, and partitioned between water (200 mL) and ethyl actate (200 mL). The organic was isolated and concentrated under reduced pressure. Purification using the ISCO eluting with 0-70% EtOAc/hexane to give the desired product tert-butyl(trans-3-(5,5-dimethyl-2-(methylthio)-6-oxo-5H-pyrrolo[2,3-d]pyrimidin-7(6H)-yl)cyclobutyl)carbamate (0.9 g, 2.378 mmol, 31.4% yield). m/z: 379.2 (M+1)
  • 9
  • [ 871014-19-6 ]
  • [ 1201362-85-7 ]
  • [ 1452561-89-5 ]
  • 10
  • [ 871014-19-6 ]
  • [ 1452561-64-6 ]
  • [ 1452560-95-0 ]
  • 11
  • [ 871014-19-6 ]
  • [ 1452561-77-1 ]
  • [ 1452561-45-3 ]
YieldReaction ConditionsOperation in experiment
47.4% With chloro[2-(dicyclohexylphosphino)-3,6-dimethoxy-2?,4?,6?-tri-1-propyl-1,1?-biphenyl][2-(2-aminoethyl)phenyl]palladium(II); sodium t-butanolate; In 1,4-dioxane; at 50℃; for 0.5h;Inert atmosphere; Methyl (2-chloro-5-fluoropyridin-3-yl)(methyl)carbamate (intermediate 37, 0.343 g, 1.569 mmol), tert-butyl(trans-3-aminocyclobutyl)carbamate (0.292 g, 1.569 mmol), BrettPhos Precatalyst (0.125 g, 0.157 mmol), and sodium tert-butoxide (0.377 g, 3.92 mmol) were mixed in 1,4-dioxane (2 mL) under an argon atmosphere. The reaction mixture was heated to 50 C. and stirred for 30 min. The reaction mixture was diluted with water and extracted once with EtOAc. The organic layer was separated, washed with saturated aqueous sodium chloride, dried over magnesium sulfate, filtered, and concentrated in vacuo. The resulting crude product was purified by silica gel column chromatography eluting with EtOAc in hexanes to yield tert-butyl(trans-3-(6-fluoro-1-methyl-2-oxo-1 h-imidazo[4,5-b]pyridin-3(2h)-yl)cyclobutyl)carbamate (0.250 g, 0.743 mmol, 47.4% yield) as a white solid.
  • 12
  • [ 399-74-6 ]
  • [ 871014-19-6 ]
  • [ 1452562-01-4 ]
YieldReaction ConditionsOperation in experiment
With N-ethyl-N,N-diisopropylamine; In dimethyl sulfoxide; at 120℃; for 2h; A mixture of tert-butyl(trans-3-aminocyclobutyl)carbamate (0.099 g, 0.533 mmol), 2-chloro-6-fluoro-1,3-benzothiazole (0.100 g, 0.533 mmol) and diisopropylethylamine (0.185 ml, 1.066 mmol) in DMSO (0.5 mL) contained in a microwave vial was capped and heated to 120 C. for 2 hrs. The mixture was diluted with water and extracted with EtOAc. EtOAc extract was concentrated to give crude tert-butyl(trans-3-((6-fluorobenzo[d]thiazol-2-yl)amino)cyclobutyl)carbamate. To the crude tert-butyl(trans-3-((6-fluorobenzo[d]thiazol-2-yl)amino)cyclobutyl)carbamate was added hydrogen chloride, 4N in 1,4-dioxane (10 ml, 40.0 mmol) and the resulting solution stirred at room temperature for 2 h and concentrated to afford crude trans-N1-(6-fluorobenzo[d]thiazol-2-yl)cyclobutane-1,3-diamine hydrochloride. The crude trans-N1-(6-fluorobenzo[d]thiazol-2-yl)cyclobutane-1,3-diamine hydrochloride was added to mixture of methyl (2-chloropyridin-3-yl)(methyl)carbamate, INTERMEDIATE 40, (0.107 g, 0.533 mmol), chloro(2-dicyclohexylphosphino-3,6-dimethoxy-2?-4?-6?-triisopropyl-1,1?-biphenyl)]2-(2-aminoethyl)Ph)Pd(II) (0.021 g, 0.027 mmol), and sodium tert-butoxide (0.261 ml, 2.132 mmol) in dioxane (10 mL). The mixture was stirred at 100 C. for 2 h and concentrated. The residue was diluted with water and extracted with EtOAc. EtOAc extract was concentrated and residue purified with ISCO on silica gel column eluting with 0-80% EtOAc/hexanes to give the title compound 3-(trans-3-((6-fluorobenzo[d]thiazol-2-yl)amino)cyclobutyl)-1-methyl-1H-imidazo[4,5-b]pyridin-2(3H)-one (0.092 g, 0.249 mmol, 46.7% yield). m/z: 370.1 (M+1); 1H NMR (400 MHz, CHLOROFORM-d) delta: ppm 8.07 (dd, J=5.18, 1.27 Hz, 1H), 7.49 (dd, J=8.90, 4.79 Hz, 1H), 7.32 (dd, J=8.12, 2.64 Hz, 1H), 7.17 (dd, J=7.73, 1.27 Hz, 1H), 6.97-7.07 (m, 2H), 5.90 (br. s., 1H), 5.33-5.50 (m, 1H), 4.48-4.74 (m, 1H), 3.48-3.67 (m, 2H), 3.43 (s, 3H), 2.34-2.63 (m, 2H).
  • 13
  • [ 871014-19-6 ]
  • [ 91524-96-8 ]
  • [ 1452561-01-1 ]
YieldReaction ConditionsOperation in experiment
66.6% With caesium carbonate; In dimethyl sulfoxide; at 70℃; Tert-butyl(trans-3-aminocyclobutyl)carbamate (0.150 g, 0.805 mmol) and intermediate 5 (0.120 g, 0.703 mmol) were dissolved in dry dimethylsulfoxide (3 mL) and cesium carbonate (0.123 ml, 1.535 mmol) was added. The reaction was heated at 70 C. After minutes the reaction was cooled and partitioned between water (100 mL) and ethyl acetate (200 mL). The organic phase was dried with magnesium sulfate and evaporated to dryness under reduced pressure. Purification using silica chromatography (dichloromethane to ethyl acetate gradient) gave the desired tert-butyl(trans-3-(thiazolo[5,4-b]pyridin-2-ylamino)cyclobutyl)carbamate (0.150 g, 0.468 mmol, 66.6% yield)
  • 14
  • [ 871014-19-6 ]
  • [ 1452561-74-8 ]
  • [ 1452560-42-7 ]
YieldReaction ConditionsOperation in experiment
86% With 2-(1H-9-azabenzotriazol-1-yl)-1,1,3,3-tetramethyluroniumhexafluorophosphate; triethylamine; In dichloromethane; at 20℃; for 21h; 2-(2-Chloropyridin-3-yl)-2-methylpropanoic acid hydrochloride (intermediate 25, 992 mg, 4.20 mmol), tert-butyl(trans-3-aminocyclobutyl)carbamate (939 mg, 5.04 mmol), hatu (2077 mg, 5.46 mmol) and triethylamine (2.4 ml, 16.81 mmol) were dissolved in dichloromethane (8.4 mL). The reaction mixture was stirred at room temperature for 21 hours then diluted with water and extracted with dichloromethane. The organic was washed with saturated ammonium chloride and dried over magnesium sulfate. Evaporation under reduced pressure and purification using silica chromatography (0% to 100% ethyl acetate in hexane gradient) gave tert-butyl(trans-3-(2-(2-chloropyridin-3-yl)-2-methylpropanamido)cyclobutyl)carbamate (1327 mg, 3.61 mmol, 86% yield) as white solid.
  • 15
  • [ 871014-19-6 ]
  • [ 629616-88-2 ]
  • tert-butyl ((trans)-3-((2-((6-bromopyridin-2-yl)amino)-2-oxoethyl)amino)cyclobutyl)carbamate [ No CAS ]
YieldReaction ConditionsOperation in experiment
49% With N-ethyl-N,N-diisopropylamine; In tetrahydrofuran; at 60℃; for 24h; To a solution of N-(6-bromopyridin-2-yl)-2-chloroacetamide (349a) (0.55 g, 2.204 mmol, prepared according to the procedure reported by Chenard, Bertand L. and Wu, Xinyuan; in PCT Int. Appl., 2016044792, 24 Mar 201 6) in THF (10 mL) was added DIPEA (0.578 mL, 3.31 mmol), tert-butyl (/ram)-3-aminocyclobutylcarbamate (0.452 g, 2.425 mmol) and stirred at 60 C for 24h. Mixture was poured into sat. NaHCCb solution (60 ml) and resultant suspension was extracted with EtOAc (2 x 80 ml). The combined organics were washed with brine, dried, filtered, concentrated and purified by flash column chromatography [silica gel 24 g, EtOAc in hexanes as eluents 0 to 100%] to afford tert-butyl ((iras)-3-((2-((6- bromopyridin-2-yl)amino)-2-oxoethyl)amino)cyclobutyl)carbamate (349b) (0.43 g, 49 % yield) as off-white solid; NMR (300 MHz, VMSO-de) delta 10.45 (s, 1H), 8.10 (dd, J = 8.1, 0.7 Hz, 1H), 7.75 (t, J = 8.0 Hz, 1H), 7.35 (dd, J = 7.7, 0.7 Hz, 1H), 7.15 (d, J = 7.6 Hz, 1H), 4.09 - 3.93 (m, 1H), 3.27 - 3.14 (m, 3H), 2.03 - 1.89 (m, 4H), 1.36 (s, 9H); MS (ES+): 421.3, 423.3 (M+Na), MS (ES-): 397.3, 399.3 (M-l).
  • 16
  • [ 871014-19-6 ]
  • [ 23688-89-3 ]
  • tert-butyl ((trans)-3-(6-chloropyrazine-2-carboxamido)cyclobutyl)carbamate [ No CAS ]
YieldReaction ConditionsOperation in experiment
93% Step 1: tert-Butyl ((trans)-3-(6-chloropyrazine-2-carboxamido)cyclobutyl)carbamate A stirred solution of 6-chloropyrazine-2-carboxylic acid (0.25 g, 1.58 mmol) in DMF (3 mL) was added with DIPEA (0.42 mL, 2.37 mmol) and HATU (0.72 g, 1.9 mmol). The reaction mixture was stirred at room temperature for 20 minutes. A solution of <strong>[871014-19-6]tert-butyl (trans-3-aminocyclobutyl)carbamate</strong> (0.32 g, 1.74 mmol) in DMF (3 mL) was added and the reaction mixture was stirred at room temperature for 18 hours. The reaction mixture was diluted with ethyl acetate and was washed sequentially with saturated aqueous sodium hydrogen carbonate (*2) and brine. The organic phase was dried over anhydrous magnesium sulfate, filtered and the filtrate evaporated at reduced pressure to afford the title compound (0.530 g, 93%). 1H NMR (400 MHz, DMSO-d6); delta 9.18 (d, J=7.5 Hz, 1H), 9.11 (s, 1H), 9.01 (s, 1H), 7.30 (d, J=7.0 Hz, 1H), 4.54-4.49 (m, 1H), 4.08-4.01 (m, 1H), 2.70 (s, 1H), 2.48-2.39 (m, 2H), 2.27-2.19 (m, 2H), 1.40 (s, 9H).
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