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Potassium Carbonate → 7-(2,2-Dimethyl-propyl)-6-(3-methyl-1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile

HRID 271609
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HRID 271609 반응식
[CH3:1][C:2]([CH3:29])([CH3:28])[CH2:3][N:4]1[C:8]2[N:9]=[C:10]([C:13]#[N:14])[N:11]=[CH:12][C:7]=2[CH:6]=[C:5]1[CH2:15][N:16]1[NH:25][C:24](=[O:26])[C:23]2[C:18](=[CH:19][CH:20]=[CH:21][CH:22]=2)[C:17]1=[O:27].[C:30]([O-])([O-])=O.[K+].[K+]>CN(C=O)C>[CH3:1][C:2]([CH3:29])([CH3:28])[CH2:3][N:4]1[C:8]2[N:9]=[C:10]([C:13]#[N:14])[N:11]=[CH:12][C:7]=2[CH:6]=[C:5]1[CH2:15][N:16]1[N:25]([CH3:30])[C:24](=[O:26])[C:23]2[C:18](=[CH:19][CH:20]=[CH:21][CH:22]=2)[C:17]1=[O:27]
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HCID 11430Potassium CarbonateHCID 689289407-(2,2-dimethyl-propyl)-6-(1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d)pyrimidine-2-carbonitrile

생성물 1

HCID 598346237-(2,2-Dimethyl-propyl)-6-(3-methyl-1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile수율 78%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

To a solution of 338 mg (1.3 mmoles) of phthalhydrazide in 20 ml of DMF, 252 mg (1.83 mmoles) of K2CO3 and 400 mg (1.30 mmoles) of 6-Bromomethyl-7-(2,2-dimethyl-propyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile are added successively and the mixture is stireed for 18 hours at ambient temperature. The reaction mixture is quenched with ice-water and extracted with AcOEt. The combined extracts are washed with H2O, brine and dried over MgSO4. Chromatography on silica gel (eluent: n-Hexane:AcOEt=1:2) give 412 mg of desired 7-(2,2-dimethyl-propyl)-6-(1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile in 70% yield. The obtained product is treated with MeJ under the same conditionto give N-methylated compound. To a solution of 295 mg (0.76 mmoles) of 7-(2,2-dimethyl-propyl)-6-(1,4-dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile in 20 ml of DMF, 0.066 ml (1.06 mmoles) of MeJ and 168 mg (1.22 mmoles) of K2CO3 are added successively and the mixture is stireed for 18 hours at ambient temperature. The reaction mixture is quenched with ice-water and extracted with AcOEt. The combined extracts are washed with H2O, brine and dried over MgSO4. Chromatography on silica gel (eluent: n-Hexane:AcOEt=1:4) give 238 mg of 7-(2,2-Dimethyl-propyl)-6-(3-methyl-1,4dioxo-3,4-dihydro-1H-phthalazin-2-ylmethyl)-7H-pyrrolo[2,3-d]pyrimidine-2-carbonitrile in 78% yield.

후처리

  1. additionThe obtained product is treated with MeJ under the same
  2. customconditionto give N-methylated compound
  3. customThe reaction mixture is quenched with ice-water
  4. extractionextracted with AcOEt
  5. washThe combined extracts are washed with H2O, brine
  6. dry with materialdried over MgSO4

출처 및 근거

ORD 기록
ord-3d39022ea3e743049c0010dbd661315c
출처 데이터셋
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07452886B2

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