8-[(Cyclopropyl-methyl-amino)methyl]-6-ethynyl-2,2,4,4-tetramethyl-chroman → 2-(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-propionic acid methyl ester

HRID 1869846Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 1869846
[CH:1]1([N:4]([CH2:6][C:7]2[CH:8]=[C:9]([C:21]#[CH:22])[CH:10]=[C:11]3[C:16]=2[O:15][C:14]([CH3:18])([CH3:17])[CH2:13][C:12]3([CH3:20])[CH3:19])[CH3:5])[CH2:3][CH2:2]1.[CH3:23][O:24][C:25](=[O:53])[CH:26]([C:28]1[CH:33]=[CH:32][C:31](C#CC2C=C(C3CC3)C3OC4(CC4)CC(C)(C)C=3C=2)=[CH:30][CH:29]=1)[CH3:27]>[Cu]I.Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.C(N(CC)CC)C>[CH3:23][O:24][C:25](=[O:53])[CH:26]([C:28]1[CH:29]=[CH:30][C:31]([C:22]#[C:21][C:9]2[CH:10]=[C:11]3[C:16](=[C:7]([CH2:6][N:4]([CH:1]4[CH2:2][CH2:3]4)[CH3:5])[CH:8]=2)[O:15][C:14]([CH3:17])([CH3:18])[CH2:13][C:12]3([CH3:20])[CH3:19])=[CH:32][CH:33]=1)[CH3:27]

Komponenten

6

Edukt 2

HCID 211072508-[(Cyclopropyl-methyl-amino)methyl]-6-ethynyl-2,2,4,4-tetramethyl-chroman2×HCID 690752312-{4-[(8-Cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-propionic acid methyl ester2×

Produkt 1

HCID 690760872-(4-{8-[(Cyclopropyl-methyl-amino)-methyl]-2,2,4,4-tetramethyl-chroman-6-ylethynyl}-phenyl)-propionic acid methyl ester

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)KatalysatorHCID 178418476HCID 178418476, VerbindungKatalysatorHCID 8471TriethylamineLösungsmittel

Versuchsvorschrift

Following General Procedure B and using 8-[(cyclopropyl-methyl-amino)methyl]-6-ethynyl-2,2,4,4-tetramethyl-chroman (Intermediate 11, 0.08 g, 0.27 mmol), methyl-2-(4-iodophenyl)propionate (Reagent 1, 0.086 g, 0.29 mmol), triethyl amine (3 mL), copper(I)iodide (0.026 g, 0.14 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.057 g, 0.08 mmol) followed by flash column chromatography over silica gel (230-400 mesh), the title compound was obtained as a brown oil (0.067 g, 54%).

Quellen und Nachweise

ORD-Eintrag
ord-ed1a59ed33ba40ab9e675286e51f720e
Quelldatensatz
uspto-grants-2009_12
Patentnummer
US07638648B2

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