Hydrazine hydrate (1:1) → HCID 22125134, compound

HRID 1858310Notes

Reaction equation

HRID 1858310 reaction equation
[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[N:9]1[CH2:18][C:17]2[C:12](=[N:13][C:14]([NH:19][C:20]3[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][N:29]([CH2:32][CH3:33])[CH2:30][CH3:31])=[CH:22][CH:21]=3)=[N:15][CH:16]=2)[N:11]([C:34]2[CH:39]=[CH:38][CH:37]=[C:36]([CH2:40][CH2:41][N:42]3C(=O)C4=CC=CC=C4C3=O)[CH:35]=2)[C:10]1=[O:53].O.NN>C(O)C>[Cl:1][C:2]1[CH:7]=[C:6]([Cl:8])[CH:5]=[CH:4][C:3]=1[N:9]1[CH2:18][C:17]2[C:12](=[N:13][C:14]([NH:19][C:20]3[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][N:29]([CH2:30][CH3:31])[CH2:32][CH3:33])=[CH:22][CH:21]=3)=[N:15][CH:16]=2)[N:11]([C:34]2[CH:39]=[CH:38][CH:37]=[C:36]([CH2:40][CH2:41][NH2:42])[CH:35]=2)[C:10]1=[O:53]

Participants

4

Reactant 2

HCID 24654Hydrazine hydrate (1:1)HCID 22125156HCID 22125156, compound

Product 1

HCID 22125134HCID 22125134, compoundYield 23%

Reagents, catalysts & solvents 1

HCID 702EthanolSolvent

Procedure

A solution of 50 mg (0.07 mmol) of 3-(2,4-dichlorophenyl)-7-[4-[2-(diethylamino)ethoxy]anilino]-3,4-dihydro-1-[3-(2-phthalimidoethyl)phenyl]pyrimido[4,5-d]pyrimidin-2(1H)-one in 5 ml of ethanol was treated with 0.5 ml of hydrazine hydrate. After 18 hours the mixture was evaporated and the product purified by column chromatography on silica gel using dichloromethane/methanol/acetic acid/water (60:18:2:3) for the elution. Product-containing fractions were combined, evaporated and the residue evaporated with toluene. The residue was then dissolved in 40 ml of dichloromethane, washed with 40 ml of saturated aqueous sodium bicarbonate solution, dried over magnesium sulfate, filtered and evaporated. The residue was triturated with pentane and filtered to give 10 mg (23%) of 3-(2,4-dichlorophenyl)-7-[4-[2-(diethylamino)ethoxy]anilino]-3,4-dihydro-1-[3-(2-aminoethyl)phenyl]pyrimido[4,5-d]pyrimidin-2(1H)-one as a white solid of melting point 108° C.

Workup

  1. customAfter 18 hours the mixture was evaporated
  2. customthe product purified by column chromatography on silica gel
  3. washfor the elution
  4. customevaporated
  5. customthe residue evaporated with toluene
  6. dissolutionThe residue was then dissolved in 40 ml of dichloromethane
  7. washwashed with 40 ml of saturated aqueous sodium bicarbonate solution
  8. dry with materialdried over magnesium sulfate
  9. filtrationfiltered
  10. customevaporated
  11. customThe residue was triturated with pentane
  12. filtrationfiltered

Sources & evidence

ORD record
ord-f11cd5d933644093b406f6d1ecbb480c
Source dataset
uspto-grants-2000_11
Patent number
US06150373

Reaction notes

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