HCID 53850434, Verbindung → HCID 19004409, Verbindung

HRID 2225647Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 2225647
C[O:2][C:3](=[O:23])[C:4](=[O:22])[C:5]1[CH:10]=[CH:9][C:8]([O:11][CH2:12][CH2:13][O:14][C:15]2[CH:20]=[CH:19][CH:18]=[CH:17][C:16]=2[F:21])=[CH:7][CH:6]=1>CO.[OH-].[Na+]>[F:21][C:16]1[CH:17]=[CH:18][CH:19]=[CH:20][C:15]=1[O:14][CH2:13][CH2:12][O:11][C:8]1[CH:7]=[CH:6][C:5]([C:4](=[O:22])[C:3]([OH:23])=[O:2])=[CH:10][CH:9]=1

Komponenten

4

Versuchsvorschrift

A mixture of 4-[[2-(2-fiuorophenoxy)ethyl]oxy]-alpha-oxobenzeneacetic acid methyl ester (0.6 g) in methanol (20 mL) and 0.5N sodium hydroxide (8 mL) was treated as in Example 19. Extraction provided solids which were crystallized from diethyl ether-hexane to give 0.55 g of colorless 4-[[2-(2-fluorophenoxy)ethyl]oxy]-alpha-oxobenzeneacetic acid, mp 108°-110° C.

Aufarbeitung

  1. additionwas treated as in Example 19
  2. extractionExtraction
  3. customprovided solids which
  4. customwere crystallized from diethyl ether-hexane

Quellen und Nachweise

ORD-Eintrag
ord-e4482143d83d471db0026b064389855f
Quelldatensatz
uspto-grants-1994_09
Patentnummer
US05344843

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