Hydrazine hydrate (1:1) → 4-(2-aminomethyl-1H-benzimidazol-4-yl)carbonylamino-3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yloxy]phenyl]benzamide

HRID 429636Notes

Reaction equation

HRID 429636 reaction equation
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:32]=[CH:33][C:34]=1[NH:35][C:36]([C:38]1[C:46]2[N:45]=[C:44]([CH2:47][N:48]3C(=O)C4=CC=CC=C4C3=O)[NH:43][C:42]=2[CH:41]=[CH:40][CH:39]=1)=[O:37])[C:6]([N:8]([CH3:31])[C:9]1[CH:14]=[CH:13][C:12]([CH3:15])=[CH:11][C:10]=1[O:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][C:22]([N:24]1[CH2:29][CH2:28][N:27]([CH3:30])[CH2:26][CH2:25]1)=[O:23])=[O:7].O.NN>C(O)C>[NH2:48][CH2:47][C:44]1[NH:43][C:42]2[CH:41]=[CH:40][CH:39]=[C:38]([C:36]([NH:35][C:34]3[CH:33]=[CH:32][C:5]([C:6]([N:8]([CH3:31])[C:9]4[CH:14]=[CH:13][C:12]([CH3:15])=[CH:11][C:10]=4[O:16][CH2:17][CH2:18][CH2:19][CH2:20][CH2:21][C:22]([N:24]4[CH2:25][CH2:26][N:27]([CH3:30])[CH2:28][CH2:29]4)=[O:23])=[O:7])=[CH:4][C:3]=3[O:2][CH3:1])=[O:37])[C:46]=2[N:45]=1

Participants

4

Reactant 2

HCID 24654Hydrazine hydrate (1:1)HCID 18355334HCID 18355334, compound

Product 1

HCID 183551124-(2-aminomethyl-1H-benzimidazol-4-yl)carbonylamino-3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yloxy]phenyl]benzamideYield 62.6%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Conditions

Temperature
60 °C

Procedure

To a solution of 3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yloxy]phenyl]-4-(2-phthalimidomethyl-1H-benzimidazol-4-yl)carbonylaminobenzamide (383 mg) in ethanol (5 ml) was added hydrazine monohydrate (19 mg) at ambient temperature and the solution was stirred at 60° C. for 1 hour. The reaction mixture was stirred in an ice water bath for 2 hours and the precipitate was filtered off. The filtrate was evaporated in vacuo and the residue was purified by preparative thin-layer chromatography (chloroform-methanol-ammonia solution (28%)=160:32:1) to give 4-(2-aminomethyl-1H-benzimidazol-4-yl)carbonylamino-3-methoxy-N-methyl-N-[4-methyl-2-[5-(4-methylpiperazin-1-yl)carbonylpent-1-yloxy]phenyl]benzamide (200 mg) as a powder.

Workup

  1. stirringThe reaction mixture was stirred in an ice water bath for 2 hours
  2. filtrationthe precipitate was filtered off
  3. customThe filtrate was evaporated in vacuo
  4. customthe residue was purified by preparative thin-layer chromatography (chloroform-methanol-ammonia solution (28%)=160:32:1)

Sources & evidence

ORD record
ord-e97c76458c7a42caab27885f8e042067
Source dataset
uspto-grants-2001_11
Patent number
US06316482B1

Reaction notes

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