Hydrochloric Acid → (R)-N-(4-(3-aminopiperidin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)-3-fluoro-4-methoxybenzamide hydrochloride

HRID 1034783Notes

Reaction equation

HRID 1034783 reaction equation
[Br:1][C:2]1[C:3]([N:23]2[CH2:28][CH2:27][CH2:26][C@@H:25]([NH:29]C(=O)OC(C)(C)C)[CH2:24]2)=[C:4]2[C:10]([NH:11][C:12](=[O:22])[C:13]3[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[C:15]([F:21])[CH:14]=3)=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.C(O)(C(F)(F)F)=O.[ClH:44]>C(Cl)Cl.CCOCC>[ClH:44].[NH2:29][C@@H:25]1[CH2:26][CH2:27][CH2:28][N:23]([C:3]2[C:2]([Br:1])=[CH:7][N:6]=[C:5]3[NH:8][CH:9]=[C:10]([NH:11][C:12](=[O:22])[C:13]4[CH:18]=[CH:17][C:16]([O:19][CH3:20])=[C:15]([F:21])[CH:14]=4)[C:4]=23)[CH2:24]1

Participants

6

Reactant 3

HCID 313Hydrochloric AcidHCID 6422Trifluoroacetic acidHCID 67045506(R)-tert-butyl 1-(5-bromo-3-(3-fluoro-4-methoxybenzamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate

Product 1

HCID 67045528(R)-N-(4-(3-aminopiperidin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)-3-fluoro-4-methoxybenzamide hydrochlorideYield 63%

Reagents, catalysts & solvents 2

HCID 3283Diethyl EtherSolventHCID 6344DichloromethaneSolvent

Procedure

(R)-tert-Butyl 1-(5-bromo-3-(3-fluoro-4-methoxybenzamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (150 mg, 0.27 mmol) in DCM (3 mL) was treated with TFA (1 mL), followed by 1M HCl in ether according to the procedure described in Example 62, Step C, to provide (R)—N-(4-(3-aminopiperidin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)-3-fluoro-4-methoxybenzamide hydrochloride (90 mg, 63% yield). 1H NMR (400 MHz, D2O) δ 8.20 (s, 1H), 7.67-7.64 (m, 1H), 7.62-7.59 (m, 1H), 7.35 (s, 1H), 7.18-7.14 (m, 1H), 3.84 (s, 3H), 3.46-3.40 (m, 1H), 3.28-3.18 (m, 2H), 3.12-3.09 (m, 2H), 1.79-1.74 (m, 1H), 1.68-1.61 (m, 1H), 1.46-1.30 (m, 2H); LCMS (APCI+) m/z 462, 464 (M+H)+.

Sources & evidence

ORD record
ord-84f65769a5b447f798f96e3c5448df44
Source dataset
uspto-grants-2013_10
Patent number
US08545897B2

Reaction notes

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