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Hydrochloric Acid → 2-(2-Tritylamino-4-thiazolyl)-2-cyanomethoxyimino-acetic acid

HRID 851824
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 851824
[C:1]([NH:20][C:21]1[S:22][CH:23]=[C:24]([C:26](=[N:33][O:34][CH2:35][C:36]#[N:37])[C:27]([O:29]CC#N)=[O:28])[N:25]=1)([C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[OH-].[Na+].Cl>O1CCOCC1>[C:1]([NH:20][C:21]1[S:22][CH:23]=[C:24]([C:26](=[N:33][O:34][CH2:35][C:36]#[N:37])[C:27]([OH:29])=[O:28])[N:25]=1)([C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1)([C:8]1[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 53889719HCID 53889719, Verbindung

Produkt 1

HCID 544542312-(2-Tritylamino-4-thiazolyl)-2-cyanomethoxyimino-acetic acid

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

A mixture of 8.69 g of the product of Step A in 52 ml of dioxane was cooled on an ice bath and 17.1 ml of N sodium hydroxide solution were added thereto dropwise over 20 minutes. Spontaneous heating occured and then 10.5 ml of 2N hydrochloric acid were added thereto. The dioxane was distilled and only water remained as solvent. 20 ml of water and 30 ml of ether were added thereto and the mixture was stirred for 15 minutes and was vacuum filtered. The crystals were rinsed with water and ether and dried to obtain 4.32 g of the syn isomer of 2-(2-tritylamino-4-thiazolyl)-2-cyanomethoxyimino-acetic acid melting at about 180° C. with decomposition.

Aufarbeitung

  1. temperaturewas cooled on an ice bath
  2. temperatureSpontaneous heating
  3. distillationThe dioxane was distilled
  4. addition20 ml of water and 30 ml of ether were added
  5. filtrationfiltered
  6. washThe crystals were rinsed with water and ether
  7. customdried

Quellen und Nachweise

ORD-Eintrag
ord-64b49c79ffc3456cbc4e3298df15e622
Quelldatensatz
uspto-grants-1983_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04386210

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