Ethynylpyridine → methyl (Z)-[2-methyl-4-[3-(4-methylphenyl)-3-[4-(pyridin-2-ylethynyl)phenyl]allyloxy]-phenoxy]acetate

HRID 1039458Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1039458
[CH3:1][C:2]1[CH:13]=[C:12]([O:14][CH2:15]/[CH:16]=[C:17](\[C:25]2[CH:30]=[CH:29][C:28](I)=[CH:27][CH:26]=2)/[C:18]2[CH:23]=[CH:22][C:21]([CH3:24])=[CH:20][CH:19]=2)[CH:11]=[CH:10][C:3]=1[O:4][CH2:5][C:6]([O:8][CH3:9])=[O:7].[C:32]([C:34]1[CH:39]=[CH:38][CH:37]=[CH:36][N:35]=1)#[CH:33]>O1CCCC1.C(N(CC)CC)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cu]I>[CH3:1][C:2]1[CH:13]=[C:12]([O:14][CH2:15]/[CH:16]=[C:17](/[C:18]2[CH:23]=[CH:22][C:21]([CH3:24])=[CH:20][CH:19]=2)\[C:25]2[CH:26]=[CH:27][C:28]([C:33]#[C:32][C:34]3[CH:39]=[CH:38][CH:37]=[CH:36][N:35]=3)=[CH:29][CH:30]=2)[CH:11]=[CH:10][C:3]=1[O:4][CH2:5][C:6]([O:8][CH3:9])=[O:7]

Komponenten

7

Edukt 2

HCID 137268EthynylpyridineHCID 86658271methyl (Z)-[2-methyl-4-[3-(4-iodophenyl)-3-(4-methylphenyl)allyloxy]-phenoxy]acetate

Produkt 1

HCID 86629288methyl (Z)-[2-methyl-4-[3-(4-methylphenyl)-3-[4-(pyridin-2-ylethynyl)phenyl]allyloxy]-phenoxy]acetate

Reagenzien, Katalysatoren, Lösungsmittel 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 178418397HCID 178418397, VerbindungKatalysatorHCID 8028TetrahydrofuranLösungsmittelHCID 8471TriethylamineLösungsmittel

Versuchsvorschrift

A solution of methyl (Z)-[2-methyl-4-[3(4-iodophenyl)-3-(4-methylphenyl)allyloxy]-phenoxy]acetate (310 mg, 0.587 mmol; example 3) in a mixture of tetrahydrofuran (9 mL) and triethylamine (9 mL) was degassed and 2-ethynylpyridine (121 mg, 1.17 mmol) was added in argon atmosphere. The solution was cooled down; tetrakis(triphenylphosphine)palladium (55 mg, 0.047 mmol) and copper(I) iodide (17.8 mg, 0.094 mmol) were added. The reaction mixture was stirred at ambient temperature for 48 h, then evaporated in vacuo and the residue was dissolved in ethyl acetate (20 mL). The solution was washed with water (3×15 mL), dried with anhydrous magnesium sulphate and evaporated in vacuo. The residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3) yielding methyl (Z)-[2-methyl-4-[3(4-methylphenyl)-3-[4-(pyridin-2-ylethynyl)phenyl]allyloxy]-phenoxy]acetate.

Aufarbeitung

  1. customwas degassed
  2. temperatureThe solution was cooled down
  3. customevaporated in vacuo
  4. dissolutionthe residue was dissolved in ethyl acetate (20 mL)
  5. washThe solution was washed with water (3×15 mL)
  6. dry with materialdried with anhydrous magnesium sulphate
  7. customevaporated in vacuo
  8. customThe residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3)

Quellen und Nachweise

ORD-Eintrag
ord-ab6a6e80535140e5b893ee709a8b1596
Quelldatensatz
uspto-grants-2013_10
Patentnummer
US08551993B2

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