Sodium Hydroxide → HCID 11948399, compound

HRID 885689Notes

Reaction equation

HRID 885689 reaction equation
[O:1]=[C:2]1[CH2:7][O:6][C:5]2[CH:8]=[CH:9][C:10]([CH:12]=O)=[N:11][C:4]=2[NH:3]1.[CH3:14][O:15][C:16]1[N:17]=[C:18]2[C:23](=[CH:24][CH:25]=1)[N:22]=[CH:21][CH:20]=[C:19]2[N:26]1[CH:34]=[C:33]2[C:28]([CH2:29][CH2:30][CH:31]([NH2:35])[CH2:32]2)=[N:27]1.[BH4-].[Na+].[OH-].[Na+]>CN(C=O)C.CO>[CH3:14][O:15][C:16]1[N:17]=[C:18]2[C:23](=[CH:24][CH:25]=1)[N:22]=[CH:21][CH:20]=[C:19]2[N:26]1[CH:34]=[C:33]2[C:28]([CH2:29][CH2:30][CH:31]([NH:35][CH2:12][C:10]3[CH:9]=[CH:8][C:5]4[O:6][CH2:7][C:2](=[O:1])[NH:3][C:4]=4[N:11]=3)[CH2:32]2)=[N:27]1

Participants

7

Reactant 4

HCID 14798Sodium HydroxideHCID 4311764Sodium borohydrideHCID 218737373-Oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehydeHCID 595606482-(6-Methoxy-[1,5]naphthyridin-4-yl)4,5,6,7-tetrahydro-2H-indazol-5-ylamine

Product 1

HCID 11948399HCID 11948399, compoundYield 3.5%

Reagents, catalysts & solvents 2

HCID 887MethanolSolventHCID 6228DimethylformamideSolvent

Procedure

To a solution of 3-oxo-3,4-dihydro-2H-pyrido[3,2-b][1,4]oxazine-6-carbaldehyde (153 mg, 0.858 mmol) in DMF (1.36 mL) was added 2-(6-methoxy-[1,5]naphthyridin-4-yl)-4,5,6,7-tetrahydro-2H-indazol-5-ylamine (84.4 mg, 0.286 mmol). The reaction mixture was stirred overnight at RT. NaBH4 (37.6 mg, 0.572 mmol) was then added and the suspension was stirred for 1 h at RT. The reaction mixture was diluted with CH3OH and poured into 1 N NaOH. The organic layer was separated, washed with brine (4×), dried (Na2SO4), filtered, and concentrated. The crude material was purified by basic reverse phase HPLC to provide 4.6 mg (3.5%) of the title compound. MS (ESI): exact mass calculated for C24H23N7O3, 457.19; m/z found, 458.3 [M+H]+. 1H NMR (500 MHz, CDCl3): 9.09 (s, 1H), 8.75 (d, J=5.1, 1H), 8.25 (d, J=9.1, 1H), 8.14 (d, J=5.1, 1H), 7.19 (d, J=8.0, 1H), 7.17 (d, J=9.1, 1H), 6.95 (d, J=8.0, 1H), 4.62 (s, 2H), 4.09 (s, 3H), 3.92 (s, 2H), 3.09-2.98 (m, 3H), 2.83-2.77 (m, 1H), 2.56 (dd, J=14.6, 7.9, 1H), 2.17-2.14 (m, 1H), 1.89-1.82 (m, 1H), 1.24 (s, 1H).

Workup

  1. stirringthe suspension was stirred for 1 h at RT
  2. customThe organic layer was separated
  3. washwashed with brine (4×)
  4. dry with materialdried (Na2SO4)
  5. filtrationfiltered
  6. concentrationconcentrated
  7. customThe crude material was purified by basic reverse phase HPLC

Sources & evidence

ORD record
ord-53bf79a7f1e84c3db2923249f79911c6
Source dataset
uspto-grants-2012_08
Patent number
US08242275B2

Reaction notes

Loading…