Lithium Hydroxide → HCID 71224649, compound

HRID 2090276Notes

Reaction equation

HRID 2090276 reaction equation
[NH2:1][C:2]1[C:7]2[C:8]([C:11]3[CH:16]=[CH:15][C:14]([NH:17][C:18]([NH:20][C:21]4[CH:26]=[CH:25][CH:24]=[C:23]([F:27])[CH:22]=4)=[O:19])=[CH:13][CH:12]=3)=[CH:9][S:10][C:6]=2[C:5]([C:28]([O:30]C)=[O:29])=[CH:4][N:3]=1.NC1C2C(C3C=CC(NC(NC4C=CC=C(F)C=4)=O)=CC=3)=CSC=2C(I)=CN=1.[C]=O.[OH-].[Li+]>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].ClCCl.C(N(CC)CC)C>[NH2:1][C:2]1[C:7]2[C:8]([C:11]3[CH:12]=[CH:13][C:14]([NH:17][C:18]([NH:20][C:21]4[CH:26]=[CH:25][CH:24]=[C:23]([F:27])[CH:22]=4)=[O:19])=[CH:15][CH:16]=3)=[CH:9][S:10][C:6]=2[C:5]([C:28]([OH:30])=[O:29])=[CH:4][N:3]=1

Participants

7

Reactant 4

HCID 3939Lithium HydroxideHCID 71224278HCID 71224278, compoundHCID 71224446HCID 71224446, compound2×HCID 178418416HCID 178418416, compound

Product 1

HCID 71224649HCID 71224649, compound

Reagents, catalysts & solvents 2

HCID 178418807HCID 178418807, compoundCatalystHCID 8471TriethylamineSolvent

Procedure

As shown in the Scheme above, 1-(4-(4-aminothieno[3,2-c]pyridin-3-yl)phenyl)-3-(3-fluorophenyl)urea ((1), prepared as described in WO2005/10009), in a mixture of pyridine and tetrahydrofuran can be treated with iodine at room temperature, followed by treatment with potassium hydroxide at elevated temperature to provide 1-(4-(4-amino-7-iodothieno[3,2-c]pyridin-3-yl)phenyl)-3-(3-fluorophenyl)urea (2). Methyl 4-amino-3-(4-(3-(3-fluorophenyl)ureido)phenyl)thieno[3,2-c]pyridine-7-carboxylate (3) can be prepared by reacting 1-(4-(4-amino-7-iodothieno[3,2-c]pyridin-3-yl)phenyl)-3-(3-fluorophenyl)urea (2) with carbon monoxide gas in the presence of a catalyst such as but not limited to [1,1′-bis(diphenylphosphino)ferrocene]dichloropalladium(II) dichloromethane, and a base such as but not limited to triethylamine. The reaction is typically performed under pressure and at an elevated temperature. Methyl 4-amino-3-(4-(3-(3-fluorophenyl)ureido)phenyl)thieno[3,2-c]pyridine-7-carboxylate (3) can be reacted with aqueous lithium hydroxide to provide 4-amino-3-(4-(3-(3-fluorophenyl)ureido)phenyl)thieno[3,2-c]pyridine-7-carboxylic acid (4). The reaction is typically performed at elevated temperature in a solvent such as but not limited to tetrahydrofuran and methanol. 4-Amino-3-(4-(3-(3-fluorophenyl)ureido)phenyl)thieno[3,2-c]pyridine-7-carboxylic acid (4) can be reacted with N,N-diethyl-1,3-propanediamine in the presence of a coupling agent such as but not limited to 1-ethyl-3-[3-(dimethylamino)propyl]-carbodiimide hydrochloride, an auxiliary coupling reagent such as but not limited to 1-hydroxybenzotriazole hydrate, and a base such as but not limited to N-methylmorpholine to provide 4-amino-N-[3-(diethylamino)propyl]-3-(4-{[(3-fluorophenyl)carbamoyl]amino}phenyl)thieno[3,2-c]pyridine-7-carboxamide (5). The reaction is typically performed in a solvent such as but limited to N,N-dimethylformamide.

Sources & evidence

ORD record
ord-b8b9e3a87b884938bde83d14775d1849
Source dataset
uspto-grants-2013_05
Patent number
US08436179B2

Reaction notes

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