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Hydrochloric Acid → 6-[3-({[3-(1-Cyano-1-methylethyl)phenyl]carbonyl}amino)phenoxy]-2-[(cyclopropylcarbonyl)amino]-1,3-benzothiazole-7-carboxylic acid

HRID 1097522
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1097522
[C:1]([C:3]([C:6]1[CH:7]=[C:8]([C:12]([NH:14][C:15]2[CH:16]=[C:17]([CH:38]=[CH:39][CH:40]=2)[O:18][C:19]2[CH:33]=[CH:32][C:22]3[N:23]=[C:24]([NH:26][C:27]([CH:29]4[CH2:31][CH2:30]4)=[O:28])[S:25][C:21]=3[C:20]=2[C:34]([O:36]C)=[O:35])=[O:13])[CH:9]=[CH:10][CH:11]=1)([CH3:5])[CH3:4])#[N:2].O.[OH-].[Li+].Cl>O1CCCC1.CO.O.C(OCC)(=O)C>[C:1]([C:3]([C:6]1[CH:7]=[C:8]([C:12]([NH:14][C:15]2[CH:16]=[C:17]([CH:38]=[CH:39][CH:40]=2)[O:18][C:19]2[CH:33]=[CH:32][C:22]3[N:23]=[C:24]([NH:26][C:27]([CH:29]4[CH2:30][CH2:31]4)=[O:28])[S:25][C:21]=3[C:20]=2[C:34]([OH:36])=[O:35])=[O:13])[CH:9]=[CH:10][CH:11]=1)([CH3:5])[CH3:4])#[N:2]
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Komponenten

8

Edukt 3

HCID 313Hydrochloric AcidHCID 168937Lithium hydroxide, monohydrateHCID 59454479Methyl 6-[3-({[3-(1-cyano-1-methylethyl)phenyl]carbonyl}amino)phenoxy]-2-[(cyclopropylcarbonyl)amino]-1,3-benzothiazole-7-carboxylate

Produkt 1

HCID 594544926-[3-({[3-(1-Cyano-1-methylethyl)phenyl]carbonyl}amino)phenoxy]-2-[(cyclopropylcarbonyl)amino]-1,3-benzothiazole-7-carboxylic acidAusbeute 54,4 %

Reagenzien, Katalysatoren, Lösungsmittel

4
HCID 887MethanolLösungsmittelHCID 962WaterLösungsmittelHCID 8028TetrahydrofuranLösungsmittel2×HCID 8857Ethyl AcetateLösungsmittel

Versuchsvorschrift

Methyl 6-[3-({[3-(1-cyano-1-methylethyl)phenyl]carbonyl}amino)phenoxy]-2-[(cyclopropylcarbonyl)amino]-1,3-benzothiazole-7-carboxylate (570 mg, 1.02 mmol) produced in Example 46(iv) was dissolved in a mixed solvent of tetrahydrofuran (6 mL)/methanol (2 mL)/water (2 mL), lithium hydroxide monohydrate (150 mg, 3.66 mmol) was added, and the mixture was stirred at room temperature for 12 hr. The reaction mixture was neutralized with 1N hydrochloric acid, diluted with ethyl acetate (100 mL)/tetrahydrofuran (100 mL) and washed with water (100 mL). The organic layer was concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (methanol/ethyl acetate=0/100→10/90), and the obtained solution was concentrated under reduced pressure. The residue was crystallized from ethyl acetate/n-hexane to give the title compound (300 mg, 54%) as a white powder.

Aufarbeitung

  1. additionwas added
  2. washwashed with water (100 mL)
  3. concentrationThe organic layer was concentrated under reduced pressure
  4. customThe obtained residue was purified by silica gel column chromatography (methanol/ethyl acetate=0/100→10/90)
  5. concentrationthe obtained solution was concentrated under reduced pressure
  6. customThe residue was crystallized from ethyl acetate/n-hexane

Quellen und Nachweise

ORD-Eintrag
ord-705afb4bd4844e8a96f70dffe8ed0668
Quelldatensatz
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08143258B2

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