Salicylaldehyde → HCID 178488199, compound

HRID 897788Notes

Reaction equation

HRID 897788 reaction equation
[CH:1](=O)[C:2]1[C:3](=[CH:5][CH:6]=[CH:7][CH:8]=1)[OH:4].[NH2:10][C:11]1[CH:16]=[CH:15][C:14]([C:17]2[C:25]3[C:20](=[N:21][CH:22]=[N:23][C:24]=3[NH2:26])[N:19]([C@H:27]3[CH2:32][CH2:31][C@H:30]([N:33]4[CH2:38][CH2:37][N:36]([CH3:39])[CH2:35][CH2:34]4)[CH2:29][CH2:28]3)[N:18]=2)=[CH:13][C:12]=1[O:40][CH3:41]>C(O)C>[NH2:26][C:24]1[N:23]=[CH:22][N:21]=[C:20]2[N:19]([C@H:27]3[CH2:32][CH2:31][C@H:30]([N:33]4[CH2:34][CH2:35][N:36]([CH3:39])[CH2:37][CH2:38]4)[CH2:29][CH2:28]3)[N:18]=[C:17]([C:14]3[CH:15]=[CH:16][C:11]([N:10]=[CH:1][C:2]4[CH:8]=[CH:7][CH:6]=[CH:5][C:3]=4[OH:4])=[C:12]([O:40][CH3:41])[CH:13]=3)[C:25]=12

Participants

4

Reactant 2

HCID 6998SalicylaldehydeHCID 178488198HCID 178488198, compound

Product 1

HCID 178488199HCID 178488199, compound

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

Salicylaldehyde (0.034 g, 0.000282 mol) and trans-3-(4-amino-3-methoxyphenyl)-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine (0.117 g, 0.000268 mol) were combined in absolute ethanol and stirred at ambient temperature for 48 hours. The reaction mixture was concentrated under reduced pressure and the residue dried overnight to yield trans-2-[(4-{4-amino-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-2-methoxyphenyl)imino]methylphenol which was used without further purification. Trimethylsulfoxonium iodide (0.145 g, 0.00068 mol) was dissolved in anhydrous dimethylsulfoxide (2 mL) and a 60% dispersion of sodium hydride in parafine (0.027 g, 00068 mol) was added at once. After 10 min., the solution of trans-2-[(4-{4-amino-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-3-yl}-2-methoxyphenyl)imino]methylphenol in anhydrous dimethylsulfoxide (2 mL) was added and the resulting mixture was stirred at ambient temperature under an atmosphere of nitrogen for 2.5 hours. The solution was poured into ice-cold water (50 mL) and extracted with dichloromethane (2×40 mL). The combined organic extracts were dried with magnesium sulfate and concentrated under reduced pressure. The residue was purified by preparative HPLC (Hypersil C18, 8 μm, 25 cm; 10-60% acetonitrile-0.1M ammonium acetate over 25 min, 21 mL/min) to yield trans-3-[4-(2,3-dihydrobenzo[b]furan-3-ylamino)-3-methoxyphenyl]-1-[4-(4-methylpiperazino)cyclohexyl]-1H-pyrazolo[3,4-d]pyrimidin-4-amine diacetate (0.096 g, 0.000142 mol) as a white solid.

Workup

  1. concentrationThe reaction mixture was concentrated under reduced pressure
  2. customthe residue dried overnight

Sources & evidence

ORD record
ord-4ec73051df504b7991dd06aade9de530
Source dataset
uspto-grants-2005_07
Patent number
US06921763B2

Reaction notes

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