Triethylamine → N-[4-(4H-Pyrazolo[5,1-c][1,4]benzodiazepin-5(10H)-ylcarbonyl)phenyl]-2-methylbenzamide

HRID 3541

Reaction equation

HRID 3541 reaction equation
[CH3:1][C:2]1[CH:10]=[CH:9][CH:8]=[CH:7][C:3]=1[C:4](Cl)=[O:5].C(N(CC)CC)C.[NH2:18][C:19]1[CH:40]=[CH:39][C:22]([C:23]([N:25]2[C:31]3[CH:32]=[CH:33][CH:34]=[CH:35][C:30]=3[CH2:29][N:28]3[N:36]=[CH:37][CH:38]=[C:27]3[CH2:26]2)=[O:24])=[CH:21][CH:20]=1>C(Cl)Cl>[N:36]1[N:28]2[C:27]([CH2:26][N:25]([C:23]([C:22]3[CH:21]=[CH:20][C:19]([NH:18][C:4](=[O:5])[C:3]4[CH:7]=[CH:8][CH:9]=[CH:10][C:2]=4[CH3:1])=[CH:40][CH:39]=3)=[O:24])[C:31]3[CH:32]=[CH:33][CH:34]=[CH:35][C:30]=3[CH2:29]2)=[CH:38][CH:37]=1

Participants

5

Reactant 3

HCID 8471TriethylamineHCID 702762-Methylbenzoyl chlorideHCID 218371275,10-dihydro-5-(4-aminobenzoyl)-4H-pyrazolo[5,1-c][1,4]benzodiazepine

Product 1

HCID 21837012N-[4-(4H-Pyrazolo[5,1-c][1,4]benzodiazepin-5(10H)-ylcarbonyl)phenyl]-2-methylbenzamide

Reagents, catalysts & solvents 1

HCID 6344DichloromethaneSolvent

Procedure

To a stirred solution of 3 mmol of 2-methylbenzoyl chloride in 10 ml of methylene chloride is added 5 mmol of triethylamine and 3 mmol of 5,10-dihydro-5-(4-aminobenzoyl)-4H-pyrazolo-[5,1-c][1,4]benzodiazepine. The mixture is stirred at room temperature for 5 hours and is then washed with water, NaHCO3, and brine. The organic layer is dried with Na2SO4, filtered and evaporated in vacuo to give a solid which is purified by flash chromatography on silica gel to give the desired product as a solid, m.p. 142°-146° C.

Workup

  1. washis then washed with water, NaHCO3, and brine
  2. dry with materialThe organic layer is dried with Na2SO4
  3. filtrationfiltered
  4. customevaporated in vacuo
  5. customto give a solid which
  6. customis purified by flash chromatography on silica gel

Sources & evidence

ORD record
ord-635b45d2248548ecadd2ea29f0ad9ceb
Source dataset
uspto-grants-1998_03
Patent number
US05733905

Linked notes

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