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Hydrochloric Acid → 1-[6-(2,6-Dichlorophenyl)-2-{[4-(diethylamino)butyl]amino}pyrido[2,3-d]pyrimidin-7-yl]-3-ethylurea

HRID 3483
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HRID 3483 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][CH:5]=[C:4]([Cl:8])[C:3]=1[C:9]1[C:28]([NH2:29])=[N:27][C:12]2[N:13]=[C:14]([NH:17][CH2:18][CH2:19][CH2:20][CH2:21][N:22]([CH2:25][CH3:26])[CH2:23][CH3:24])[N:15]=[CH:16][C:11]=2[CH:10]=1.C[Si](C)(C)N[Si](C)(C)C.[K].[CH2:40]([N:42]=[C:43]=[O:44])[CH3:41].Cl>C1COCC1>[Cl:8][C:4]1[CH:5]=[CH:6][CH:7]=[C:2]([Cl:1])[C:3]=1[C:9]1[C:28]([NH:29][C:43]([NH:42][CH2:40][CH3:41])=[O:44])=[N:27][C:12]2[N:13]=[C:14]([NH:17][CH2:18][CH2:19][CH2:20][CH2:21][N:22]([CH2:25][CH3:26])[CH2:23][CH3:24])[N:15]=[CH:16][C:11]=2[CH:10]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 8022Ethyl isocyanateHCID 53281336-(2,6-dichlorophenyl)-2-N-[4-(diethylamino)butyl]pyrido[2,3-d]pyrimidine-2,7-diamineHCID 45051783Silanamine, 1,1,1-trimethyl-N-(trimethylsilyl)-, potassium salt

생성물 1

HCID 53281341-[6-(2,6-Dichlorophenyl)-2-{[4-(diethylamino)butyl]amino}pyrido[2,3-d]pyrimidin-7-yl]-3-ethylurea

시약·촉매·용매

1
HCID 8028Tetrahydrofuran용매

실험 절차

To a cooled (5° C.) solution of 6-(2,6-dichlorophenyl)-N2 -(4-diethylamino-butyl)-pyrido[2,3-d]pyrimidine-2,7-diamine (0.61 g) from Example 53 in THF (6 mL) was added potassium hexamethyldisilazane (0.308 g) in portions. The reaction mixture was allowed to warm to ambient temperature and stirred for 30 minutes. Then ethyl isocyanate was added, and the reaction mixture was stirred for an additional 18 hours at ambient temperature. The product was isolated by pouring the reaction mixture into approximately 200 mL of 0.25N aqueous HCl and filtering the resulting solution. The filtrate was made basic with 50% aqueous sodium hydroxide, and the aqueous layer was extracted twice with ethyl acetate. The combined organic extracts were dried (MgSO4), filtered, and the filtrate concentrated under vacuum. The product was purified by radial chromatography eluting with a solvent mixture of 90:10:1 EtOAC:MeOH:TEA to afford the title compound.

후처리

  1. stirringthe reaction mixture was stirred for an additional 18 hours at ambient temperature
  2. customThe product was isolated
  3. filtrationfiltering the resulting solution
  4. extractionthe aqueous layer was extracted twice with ethyl acetate
  5. dry with materialThe combined organic extracts were dried (MgSO4)
  6. filtrationfiltered
  7. concentrationthe filtrate concentrated under vacuum
  8. customThe product was purified by radial chromatography
  9. washeluting with a solvent mixture of 90:10:1 EtOAC

출처 및 근거

ORD 기록
ord-dab042d9b57c40d48f4e99770ca752dd
출처 데이터셋
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05733913

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