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Hydrochloric Acid → (2-phenoxy-5-thiazolyl)-methyl (1R,3S) 2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropane-1-carboxylate

HRID 544435
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 544435
[O:1]([C:8]1[S:9][C:10]([CH2:13][OH:14])=[CH:11][N:12]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:15][C:16]1([CH3:26])[C@@H:18]([CH:19]=[C:20]([CH3:22])[CH3:21])[C@H:17]1[C:23](Cl)=[O:24].Cl>C1C=CC=CC=1.N1C=CC=CC=1>[CH3:15][C:16]1([CH3:26])[C@@H:18]([CH:19]=[C:20]([CH3:21])[CH3:22])[C@H:17]1[C:23]([O:14][CH2:13][C:10]1[S:9][C:8]([O:1][C:2]2[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=2)=[N:12][CH:11]=1)=[O:24]
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Komponenten

6

Edukt 3

HCID 313Hydrochloric AcidHCID 12879987(1R,3S)-2,2-dimethyl-3-(2-methylprop-1-en-1-yl)cyclopropane-1-carbonyl chlorideHCID 13106154(2-Phenoxy-5-thiazolyl)-methanol

Produkt 1

HCID 56984089(2-phenoxy-5-thiazolyl)-methyl (1R,3S) 2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropane-1-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 241
Benzene
Lösungsmittel
HCID 1049PyridineLösungsmittel

Reaktionsbedingungen

Temperatur
20 °C

Versuchsvorschrift

2.07 g of (2-phenoxy-5-thiazolyl)-methanol were added to a solution of (1R,3S) 2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropane-1-carboxylic acid chloride prepared from 1.68 g of the corresponding acid in 20 ml of benzene and 0.81 ml of pyridine were added dropwise thereto. The mixture was stirred at 20° C. for 17 hours and was poured into dilute aqueous hydrochloric acid. The decanted aqueous phase was extracted with ether and the combined organic phases were washed with water, dried and evaporated to dryness under reduced pressure. The residue was chromatographed over silica gel and eluted with an 8-2 cyclohexane-ethyl acetate mixture to obtain 1.6 g of (2-phenoxy-5-thiazolyl)-methyl (1R,3S) 2,2-dimethyl-3-(2-methyl-1-propenyl)-cyclopropane -1-carboxylate.

Aufarbeitung

  1. additionwere added dropwise
  2. extractionThe decanted aqueous phase was extracted with ether
  3. washthe combined organic phases were washed with water
  4. customdried
  5. customevaporated to dryness under reduced pressure
  6. customThe residue was chromatographed over silica gel
  7. washeluted with an 8-2 cyclohexane-ethyl acetate mixture

Quellen und Nachweise

ORD-Eintrag
ord-e32ba24ffaca476081d2155d6e53b66a
Quelldatensatz
uspto-grants-1984_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04450169

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