Sodium borohydride → 3-[2-(hydroxymethyl)-3-[1-methyl-5-[[5-[(2S)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]-2-pyridyl]amino]-6-oxo-3-pyridyl]phenyl]-6,7,8,9-tetrahydrobenzothiopheno[2,3-d]pyridazin-4-one

HRID 1843274Notes

Reaction equation

HRID 1843274 reaction equation
[CH3:1][N:2]1[C:7](=[O:8])[C:6]([NH:9][C:10]2[CH:15]=[CH:14][C:13]([N:16]3[CH2:21][CH2:20][N:19]([CH:22]4[CH2:25][O:24][CH2:23]4)[CH2:18][C@@H:17]3[CH3:26])=[CH:12][N:11]=2)=[CH:5][C:4]([C:27]2[CH:34]=[CH:33][CH:32]=[C:31]([N:35]3[C:47](=[O:48])[C:46]4[S:45][C:44]5[CH2:43][CH2:42][CH2:41][CH2:40][C:39]=5[C:38]=4[CH:37]=[N:36]3)[C:28]=2[CH:29]=[O:30])=[CH:3]1.[BH4-].[Na+]>CO>[OH:30][CH2:29][C:28]1[C:27]([C:4]2[CH:5]=[C:6]([NH:9][C:10]3[CH:15]=[CH:14][C:13]([N:16]4[CH2:21][CH2:20][N:19]([CH:22]5[CH2:25][O:24][CH2:23]5)[CH2:18][C@@H:17]4[CH3:26])=[CH:12][N:11]=3)[C:7](=[O:8])[N:2]([CH3:1])[CH:3]=2)=[CH:34][CH:33]=[CH:32][C:31]=1[N:35]1[C:47](=[O:48])[C:46]2[S:45][C:44]3[CH2:43][CH2:42][CH2:41][CH2:40][C:39]=3[C:38]=2[CH:37]=[N:36]1

Participants

4

Reactant 2

HCID 4311764Sodium borohydrideHCID 866837782-[1-Methyl-5-({5-[(2S)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]pyridin-2-yl}amino)-6-oxopyridin-3-yl]-6-{6-oxo-8-thia-4,5-diazatricyclo[7.4.0.02,7]trideca-1(9),2(7),3-trien-5-yl}benzaldehyde

Product 1

HCID 778447553-[2-(hydroxymethyl)-3-[1-methyl-5-[[5-[(2S)-2-methyl-4-(oxetan-3-yl)piperazin-1-yl]-2-pyridyl]amino]-6-oxo-3-pyridyl]phenyl]-6,7,8,9-tetrahydrobenzothiopheno[2,3-d]pyridazin-4-oneYield 59%

Reagents, catalysts & solvents 1

HCID 887MethanolSolvent

Procedure

At 0° C., to a solution of 130b (120 mg, 0.18 mmol) in methanol (5 mL) was added sodium borohydride (20 mg, 0.54 mmol). The reaction was stirred for 30 minutes. It was then quenched with water (1 mL) and concentrated under reduced pressure. The residue was purified by reverse-phase prep-HPLC to afford 130 (70 mg, 59%). LCMS: [M+H]+ 666.3. 1H NMR (500 MHz, CDCl3) δ 8.62 (d, J=2.0 Hz, 1H), 8.26 (s, 1H), 7.98 (s, 1H), 7.84 (s, 1H), 7.56-7.54 (m, 2H), 7.42 (d, J=2.5 Hz, 1H), 7.37 (dd, J=2.0, 7.0 Hz, 1H), 7.31 (d, J=8.0 Hz, 1H), 6.83 (d, J=8.5 Hz, 1H), 4.72-4.66 (m, 4H), 4.36 (d, J=5.0 Hz, 2H), 4.05 (t, J=5.5 Hz, 1H), 3.72 (s, 3H), 3.55-3.54 (m, 1H), 3.46-3.45 (m, 1H), 3.08-3.06 (m, 2H), 2.99 (t, J=5.0 Hz, 2H), 2.87 (t, J=5.0 Hz, 2H), 2.60-2.59 (m, 1H), 2.49-2.48 (m, 2H), 2.20-2.19 (m, 1H), 2.02-1.96 (m, 4H), 0.99 (d, J=6.0 Hz, 3H).

Workup

  1. customIt was then quenched with water (1 mL)
  2. concentrationconcentrated under reduced pressure
  3. customThe residue was purified by reverse-phase prep-HPLC

Sources & evidence

ORD record
ord-fc479eac3e0845b18512957e913057d8
Source dataset
uspto-grants-2015_02
Patent number
US08946213B2

Reaction notes

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