6-Chloro-1-piperidin-4-yl-1,3-dihydro-benzoimidazol-2-one → (S)-1-(1-{3-[5-Acetyl-3-(4-chloro-3-methyl-phenyl)-4,5,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-1-yl]-2-hydroxy-propyl]-piperidin-4-yl)-6-chloro-1,3-dihydro-benzoimidazol-2-one

HRID 967367Notes

Reaction equation

HRID 967367 reaction equation
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:12]3[CH2:13][N:14]([C:17](=[O:19])[CH3:18])[CH2:15][CH2:16][C:11]=3[N:10]([CH2:20][C@@H:21]3[CH2:23][O:22]3)[N:9]=2)=[CH:4][C:3]=1[CH3:24].[Cl:25][C:26]1[CH:27]=[CH:28][C:29]2[NH:33][C:32](=[O:34])[N:31]([CH:35]3[CH2:40][CH2:39][NH:38][CH2:37][CH2:36]3)[C:30]=2[CH:41]=1>CCO.C(Cl)Cl>[C:17]([N:14]1[CH2:15][CH2:16][C:11]2[N:10]([CH2:20][C@@H:21]([OH:22])[CH2:23][N:38]3[CH2:37][CH2:36][CH:35]([N:31]4[C:30]5[CH:41]=[C:26]([Cl:25])[CH:27]=[CH:28][C:29]=5[NH:33][C:32]4=[O:34])[CH2:40][CH2:39]3)[N:9]=[C:8]([C:5]3[CH:6]=[CH:7][C:2]([Cl:1])=[C:3]([CH3:24])[CH:4]=3)[C:12]=2[CH2:13]1)(=[O:19])[CH3:18]

Participants

5

Reactant 2

HCID 137921086-Chloro-1-piperidin-4-yl-1,3-dihydro-benzoimidazol-2-oneHCID 86585175(R)-1-[3-(4-Chloro-3-methyl-phenyl)-1-oxiranylmethyl-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-5-yl]-ethanone

Product 1

HCID 44390016(S)-1-(1-{3-[5-Acetyl-3-(4-chloro-3-methyl-phenyl)-4,5,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-1-yl]-2-hydroxy-propyl]-piperidin-4-yl)-6-chloro-1,3-dihydro-benzoimidazol-2-oneYield 12%

Reagents, catalysts & solvents 2

HCID 702EthanolSolventHCID 6344DichloromethaneSolvent

Conditions

Temperature
70 °C

Procedure

(R)-1-[3-(4-Chloro-3-methyl-phenyl)-1-oxiranylmethyl-1,4,6,7-tetrahydro-pyrazolo[4,3-c]pyridin-5-yl]-ethanone (31 mg, 0.10 mmol) and 6-chloro-1-piperidin-4-yl-1,3-dihydro-benzoimidazol-2-one (36 mg, 0.17 mmol) were combined in EtOH (0.3 mL) and heated to 70° C. After 18 h the mixture was allowed to cool, diluted with CH2Cl2 and purified by preparative TLC (silica, 8% MeOH/CH2Cl2) to give 7 mg (12%) of the title compound. HPLC (reverse phase conditions), tR=3.49 min. MS (electrospray): m/z calculated for C30H3535Cl2N6O3 [M++H] 597.22. found 597.20. 1H NMR (CDCl3, 400 MHz, a mixture of amide rotamers): 9.16 (br d, J=10.1 Hz, 1H), 7.55 (br m, 1H), 7.40-7.28 (m, 2H), 7.18 (br s, 1H), 7.03 and 6.98 (A and B of ABX (with fine splittings), Jab=8.4 Hz, 2H), 4.85 and 4.74 (A and B of ABX (with fine splittings), Jab=15.7 Hz, 1H), 4.62 (s, 1H), 4.29-4.18 (m, 4H), 4.09-4.00 (m, 2H), 3.91-3.71 (m, 2H), 3.16-2.78 (m, 4H), 2.55-2.50 (m, 4H), 2.43 (s, 1.5H), 2.41 (s, 1.5H), 2.23 (m, 1H), 2.21 (s, 1.5H), 2.16 (s, 1.5H), 1.84 (br s, 2H).

Workup

  1. temperatureto cool
  2. custompurified by preparative TLC (silica, 8% MeOH/CH2Cl2)

Sources & evidence

ORD record
ord-d0420fc567f548908344db0f04d91d01
Source dataset
uspto-grants-2005_10
Patent number
US06953793B2

Reaction notes

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