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1-Hydroxybenzotriazole → 1-[3-(Tert-butyldiphenylsilyloxymethyl)-2,4-dichlorophenyl]-2-[4-(methylcarbamoyl)cinnamoylaminomethyl]pyrrole

HRID 365575
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Reaktionsgleichung

Reaktionsgleichung von HRID 365575
[NH2:1][CH2:2][C:3]1[N:4]([C:8]2[CH:13]=[CH:12][C:11]([Cl:14])=[C:10]([CH2:15][O:16][Si:17]([C:30]([CH3:33])([CH3:32])[CH3:31])([C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)[C:18]3[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=3)[C:9]=2[Cl:34])[CH:5]=[CH:6][CH:7]=1.[CH3:35][NH:36][C:37]([C:39]1[CH:49]=[CH:48][C:42]([CH:43]=[CH:44][C:45](O)=[O:46])=[CH:41][CH:40]=1)=[O:38].Cl.C(N=C=NCCCN(C)C)C.ON1C2C=CC=CC=2N=N1>CN(C)C=O>[Si:17]([O:16][CH2:15][C:10]1[C:9]([Cl:34])=[C:8]([N:4]2[CH:5]=[CH:6][CH:7]=[C:3]2[CH2:2][NH:1][C:45](=[O:46])[CH:44]=[CH:43][C:42]2[CH:48]=[CH:49][C:39]([C:37](=[O:38])[NH:36][CH3:35])=[CH:40][CH:41]=2)[CH:13]=[CH:12][C:11]=1[Cl:14])([C:30]([CH3:31])([CH3:33])[CH3:32])([C:18]1[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=1)[C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1
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Komponenten

6

Edukt 4

HCID 757711-HydroxybenzotriazoleHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 183217752-Aminomethyl-1-(3-tert-butyldiphenylsilyloxymethyl-2,4-dichlorophenyl)pyrroleHCID 534120223-[4-(Methylcarbamoyl)phenyl]prop-2-enoic acid

Produkt 1

HCID 54276442
1-[3-(Tert-butyldiphenylsilyloxymethyl)-2,4-dichlorophenyl]-2-[4-(methylcarbamoyl)cinnamoylaminomethyl]pyrrole
Ausbeute 97,8 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a solution of 2-aminomethyl-1-[3-(tert-butyldiphenylsilyloxymethyl)-2,4-dichlorophenyl]pyrrole (465 mg) in anhydrous dimethylformamide (7 ml) were added 4-(methylcarbamoyl)cinnamic acid (206 mg), 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (219 mg) and 1-hydroxybenzotriazole (185 mg). The mixture was stirred at ambient temperature for 3 hours and partitioned between ethyl acetate and water. The organic layer was isolated and the aqueous layer was extracted with ethyl acetate. The organic layers were combined, washed with saturated aqueous sodium hydrogen carbonate and brine, dried over magnesium sulfate and evaporated in vacuo. The residue was triturated with diisopropyl ether to give 1-[3-(tert-butyldiphenylsilyloxymethyl)-2,4-dichlorophenyl]-2-[4-(methylcarbamoyl)cinnamoylaminomethyl]pyrrole (622 mg) as a brownish powder.

Aufarbeitung

  1. custompartitioned between ethyl acetate and water
  2. customThe organic layer was isolated
  3. extractionthe aqueous layer was extracted with ethyl acetate
  4. washwashed with saturated aqueous sodium hydrogen carbonate and brine
  5. dry with materialdried over magnesium sulfate
  6. customevaporated in vacuo
  7. customThe residue was triturated with diisopropyl ether

Quellen und Nachweise

ORD-Eintrag
ord-31ace9eaed4b45d38a26f8f68bb30c70
Quelldatensatz
uspto-grants-2000_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06127389

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