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Triethylamine → 3-Ethyl 5-methyl 6-(difluoromethyl)-4-(2-methylaziridinyl)-2-(trifluoromethyl)-3,5-pyridinedicarboxylate

HRID 1763148
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1763148
Cl[C:2]([F:27])([F:26])[C:3]1[N:8]=[C:7]([C:9]([F:12])([F:11])[F:10])[C:6]([C:13]([O:15][CH2:16][CH3:17])=[O:14])=[C:5]([N:18]2[CH2:20][CH:19]2[CH3:21])[C:4]=1[C:22]([O:24][CH3:25])=[O:23].C(N(CC)CC)C>C(O)C.[Pd]>[F:27][CH:2]([F:26])[C:3]1[N:8]=[C:7]([C:9]([F:12])([F:10])[F:11])[C:6]([C:13]([O:15][CH2:16][CH3:17])=[O:14])=[C:5]([N:18]2[CH2:20][CH:19]2[CH3:21])[C:4]=1[C:22]([O:24][CH3:25])=[O:23]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 8471TriethylamineHCID 140138283-Ethyl 5-methyl 6-(chlorodifluoromethyl)-4-(2-methylaziridinyl)-2-(trifluoromethyl)-3,5-pyridinedicarboxylate

Produkt 1

HCID 140138303-Ethyl 5-methyl 6-(difluoromethyl)-4-(2-methylaziridinyl)-2-(trifluoromethyl)-3,5-pyridinedicarboxylateAusbeute 88,7 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysator
HCID 702
Ethanol
Lösungsmittel

Versuchsvorschrift

A mixture of 2.5 g (0.0059 mol) of product of Example 81, 0.6 g (0.0059 mol) of triethylamine and 0.25 g of 5% Pd/C (50% water coated) in 100 ml of ethanol was hydrogenated (446 kPa, for 18 hours at 50° C. The mixture was then filtered through celite and concentrated in vacuo to remove the ethyl alcohol. The residue was poured into water, and extracted with diethyl ether. The ether extract was washed with water, then dried over MgSO4. The dry ether phase was then concentrated in vacuo to yield 2.00 g of a yellow solid. This solid was then recrystallized in hexane to yield 1.28 g (56%) of product as a tan solid; mp 61° C.

Aufarbeitung

  1. filtrationThe mixture was then filtered through celite and
  2. concentrationconcentrated in vacuo
  3. customto remove the ethyl alcohol
  4. additionThe residue was poured into water
  5. extractionextracted with diethyl ether
  6. extractionThe ether extract
  7. washwas washed with water
  8. dry with materialdried over MgSO4
  9. concentrationThe dry ether phase was then concentrated in vacuo

Quellen und Nachweise

ORD-Eintrag
ord-2ccedc8bd9fb40ef8d80391cd86772e7
Quelldatensatz
uspto-grants-1989_05
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US04835279

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