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Methyl chloroformate → Methyl 5-(4-chlorophenyl)-6-(2,4-dichlorophenyl)-2-(pyridin-3-ylcarbonyl)furo[2,3-b]pyridin-3-ylcarbamate

HRID 8790
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 8790
[NH2:1][C:2]1[C:10]2[C:5](=[N:6][C:7]([C:18]3[CH:23]=[CH:22][C:21]([Cl:24])=[CH:20][C:19]=3[Cl:25])=[C:8]([C:11]3[CH:16]=[CH:15][C:14]([Cl:17])=[CH:13][CH:12]=3)[CH:9]=2)[O:4][C:3]=1[C:26]([C:28]1[CH:29]=[N:30][CH:31]=[CH:32][CH:33]=1)=[O:27].Cl[C:35]([O:37][CH3:38])=[O:36].C(N(C(C)C)CC)(C)C>C(Cl)Cl>[Cl:17][C:14]1[CH:13]=[CH:12][C:11]([C:8]2[CH:9]=[C:10]3[C:2]([NH:1][C:35](=[O:36])[O:37][CH3:38])=[C:3]([C:26]([C:28]4[CH:29]=[N:30][CH:31]=[CH:32][CH:33]=4)=[O:27])[O:4][C:5]3=[N:6][C:7]=2[C:18]2[CH:23]=[CH:22][C:21]([Cl:24])=[CH:20][C:19]=2[Cl:25])=[CH:16][CH:15]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 6586Methyl chloroformateHCID 81531DiisopropylethylamineHCID 9983227[3-Amino-5-(4-chlorophenyl)-6-(2,4-dichlorophenyl)furo[2,3-b]pyridin-2-yl](pyridin-3-yl)methanone

Produkt 1

HCID 10030526Methyl 5-(4-chlorophenyl)-6-(2,4-dichlorophenyl)-2-(pyridin-3-ylcarbonyl)furo[2,3-b]pyridin-3-ylcarbamate

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Versuchsvorschrift

A solution of 0.030 g (0.0607 mmol) of the product from Example 26 in CH2Cl2 (0.6 mL) at 0° C. was treated with methyl chloroformate (5 μL; 0.0607 mmol) followed by diisopropylethylamine (10 μL; 0.0607 mmol). After the addition, the reaction mixture was warmed to room temperature and stirred for 16 hours. The reaction was quenched with saturated NaHCO3 solution. The reaction mixture was partitioned between ethyl acetate and saturated NaHCO3 solution. The organic layer was washed twice with saturated NaHCO3 solution, brine, dried (Na2SO4), filtered, and concentrated in vacuo. Purification by MPLC (silica gel; 0% to 30% ethyl acetate:hexane gradient) gave the title compound. HPLC/MS: 551.9 (M+1), 553.9 (M+3); Rt=4.24 min.

Aufarbeitung

  1. additionAfter the addition
  2. customThe reaction was quenched with saturated NaHCO3 solution
  3. customThe reaction mixture was partitioned between ethyl acetate and saturated NaHCO3 solution
  4. washThe organic layer was washed twice with saturated NaHCO3 solution, brine
  5. dry with materialdried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated in vacuo
  8. customPurification by MPLC (silica gel; 0% to 30% ethyl acetate:hexane gradient)

Quellen und Nachweise

ORD-Eintrag
ord-6b854e7dc2de4f828680e0b9d210b2fe
Quelldatensatz
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07091216B2

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