Water → 4,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid

HRID 628031

Reaktionsgleichung

Reaktionsgleichung von HRID 628031
C([O:3][C:4]([C:6]1[S:15][C:14]2[C:13]3[CH:16]=[CH:17][CH:18]=[CH:19][C:12]=3[O:11][CH2:10][CH2:9][C:8]=2[N:7]=1)=[O:5])C.[OH-].[Na+].O>C1COCC1>[S:15]1[C:14]2[C:13]3[CH:16]=[CH:17][CH:18]=[CH:19][C:12]=3[O:11][CH2:10][CH2:9][C:8]=2[N:7]=[C:6]1[C:4]([OH:5])=[O:3]

Komponenten

5

Edukt 3

HCID 962WaterHCID 14798Sodium HydroxideHCID 579000864,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid ethyl ester

Produkt 1

HCID 866348484,5-Dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acidAusbeute 61,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 8028TetrahydrofuranLösungsmittel

Versuchsvorschrift

A solution of 4,5-dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid ethyl ester (1 eq, 1.9 mmol, 530 mg), and sodium hydroxide (5 eq, 9.6 mmol, 385 mg), in THF (5 ml) and water (5 ml) was allowed to stir at RT for 3 hrs. Reaction concentrated in vacuo and the solid washed with water to give 4,5-dihydro-6-oxa-1-thia-3-aza-benzo[e]azulene-2-carboxylic acid (290 mg, yield 58%).

Aufarbeitung

  1. customReaction
  2. concentrationconcentrated in vacuo
  3. washthe solid washed with water

Quellen und Nachweise

ORD-Eintrag
ord-4440b6d165154b938c44dc28a91b72f9
Quelldatensatz
uspto-grants-2016_04
Patentnummer
US09309265B2

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