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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
ノート
印刷プレビュー

反応式

HRID 3483 の反応式
[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
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 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

生成物 1

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

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-dab042d9b57c40d48f4e99770ca752dd
出典データセット
uspto-grants-1998_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05733913

反応ノート

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