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Water → (1S,2S)-2-fluoro-N-(7-(2-(hydroxymethyl)-4-methylpyridin-3-yl)isoquinolin-3-yl)cyclopropanecarboxamide

HRID 468912
Notes
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Reaction equation

HRID 468912 reaction equation
[F:1][C@H:2]1[CH2:4][C@H:3]1[C:5]([NH:7][C:8]1[N:9]=[CH:10][C:11]2[C:16]([CH:17]=1)=[CH:15][CH:14]=[C:13](B1OC(C)(C)C(C)(C)O1)[CH:12]=2)=[O:6].Br[C:28]1[C:29]([CH2:35][OH:36])=[N:30][CH:31]=[CH:32][C:33]=1[CH3:34].C(=O)([O-])[O-].[K+].[K+].O1CCOCC1.O>C(OCC)(=O)C.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.CC(P(C(C)(C)C)C1C=CC(N(C)C)=CC=1)(C)C.Cl[Pd]Cl>[F:1][C@H:2]1[CH2:4][C@H:3]1[C:5]([NH:7][C:8]1[N:9]=[CH:10][C:11]2[C:16]([CH:17]=1)=[CH:15][CH:14]=[C:13]([C:28]1[C:29]([CH2:35][OH:36])=[N:30][CH:31]=[CH:32][C:33]=1[CH3:34])[CH:12]=2)=[O:6]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 962WaterHCID 11430Potassium CarbonateHCID 312751,4-DioxaneHCID 23344241(3-Bromo-4-methylpyridin-2-yl)methanolHCID 71115194(1S,2S)-2-fluoro-N-(7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolin-3-yl)cyclopropanecarboxamide

Product 1

HCID 71115016
(1S,2S)-2-fluoro-N-(7-(2-(hydroxymethyl)-4-methylpyridin-3-yl)isoquinolin-3-yl)cyclopropanecarboxamide
Yield 7%

Reagents, catalysts & solvents 2

HCID 11714597Bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II)CatalystHCID 8857Ethyl AcetateSolvent

Procedure

A mixture of (1S,2S)-2-fluoro-N-(7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)isoquinolin-3-yl)cyclopropanecarboxamide (56.5 mg; 0.159 mmol), (3-bromo-4-methylpyridin-2-yl)methanol (75 mg; 0.37120 mmol), bis(di-tert-butyl(4-dimethylaminophenyl)phosphine)dichloropalladium(II) (9.1 mg; 0.013 mmol), potassium carbonate (65.2 mg; 0.472 mmol), dioxane (2.0 mL; 23 mmol), and water (0.2 mL; 10 mmol) was subjected to microwave irradiation at 100° C. for 60 minutes. The reaction mixture was diluted with ethyl acetate, washed with water and brine, dried over magnesium sulfate, filtered, and evaporated in vacuo. The crude reaction mixture was purified via reverse-phase preparatory HPLC and lyophilized to yield 3.9 mg (7%) of the title compound. LCMS (ESI): RT (min)=2.16, M+H=352.2, method=H; 1H NMR (400 MHz, DMSO) δ 10.96 (s, 1H), 9.15 (s, 1H), 8.53 (s, 1H), 8.48 (d, J=5.0 Hz, 1H), 7.97 (d, J=8.5 Hz, 1H), 7.94 (s, 1H), 7.57 (d, J=8.4 Hz, 1H), 7.34 (d, J=5.0 Hz, 1H), 4.95 (m, 2H), 4.25 (s, 2H), 2.28 (m, 1H), 2.07 (s, 3H), 1.77-1.61 (m, 1H), 1.28-1.12 (m, 1H).

Workup

  1. customirradiation at 100° C. for 60 minutes
  2. washwashed with water and brine
  3. dry with materialdried over magnesium sulfate
  4. filtrationfiltered
  5. customevaporated in vacuo
  6. customThe crude reaction mixture
  7. customwas purified via reverse-phase preparatory HPLC

Sources & evidence

ORD record
ord-e1820f46eceb4e72a8ae23a94e68983a
Source dataset
uspto-grants-2014_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08623889B2

Reaction notes

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