Hydrochloric Acid → 1657014-42-0

HRID 1923743Notes

Reaction equation

HRID 1923743 reaction equation
[Br:1][C:2]1[C:3]([N:17]2[CH2:22][CH2:21][CH2:20][C@@H:19]([NH:23]C(=O)OC(C)(C)C)[CH2:18]2)=[C:4]2[C:10]([NH:11][C:12]([CH:14]3[CH2:16][CH2:15]3)=[O:13])=[CH:9][NH:8][C:5]2=[N:6][CH:7]=1.[ClH:31]>C(O)(C(F)(F)F)=O.C(Cl)Cl.CCOCC>[ClH:31].[NH2:23][C@@H:19]1[CH2:20][CH2:21][CH2:22][N:17]([C:3]2[C:2]([Br:1])=[CH:7][N:6]=[C:5]3[NH:8][CH:9]=[C:10]([NH:11][C:12]([CH:14]4[CH2:15][CH2:16]4)=[O:13])[C:4]=23)[CH2:18]1

Participants

6

Procedure

(R)-tert-Butyl 1-(5-bromo-3-(cyclopropanecarboxamido)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperidin-3-ylcarbamate (110 mg, 0.230 mmol) in TFA (5 mL) was stirred at room temperature for 30 minutes, and the TFA was removed in vacuo. The oily residue obtained was dissolved in CH2Cl2 (1 mL), and 2M HCl in Et2O was added. The mixture was stirred at ambient temperature for 30 minutes. The solid formed was filtered and triturated with CH3CN to provide (R)-N-(4-(3-aminopiperidin-1-yl)-5-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl)cyclopropane-carboxamide hydrochloride (70 mg, 67% yield). 1H NMR (400 MHz, (CD3)2SO) δ 11.82 (s, 1H), 9.65 (s, 1H), 8.26 (br s, 3H), 8.22 (s, 1H), 7.47 (s, 1H), 3.46-3.40 (m, 3H), 3.31-3.23 (m, 1H), 3.12-3.06 (m, 1H), 2.15-2.09 (m, 1H), 1.87-1.80 (m, 2H), 1.76-1.69 (m, 1H), 1.53-1.43 (m, 1H), 0.83-0.81 (m, 4H); LCMS (APCI+) m/z 378.8, 379.9 (M+H)+, Retention time=2.18 minutes (Method 2).

Workup

  1. customthe TFA was removed in vacuo
  2. customThe oily residue obtained
  3. customThe solid formed
  4. filtrationwas filtered
  5. customtriturated with CH3CN

Sources & evidence

ORD record
ord-466e901bc40f42dd9caa6510341d24df
Source dataset
uspto-grants-2012_05
Patent number
US08178131B2

Reaction notes

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