Triethylamine → (E)-3-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-acrylic acid methyl ester

HRID 2377404Notes

Reaction equation

HRID 2377404 reaction equation
[CH:1]1([N:4]([CH3:21])[CH:5]2[CH2:14][CH2:13][C:12]([CH3:16])([CH3:15])[C:11]3[CH:10]=[C:9]([C:17]#[CH:18])[CH:8]=[C:7]([O:19][CH3:20])[C:6]2=3)[CH2:3][CH2:2]1.[CH2:22]([O:29][C:30](=[O:40])[CH:31]=[CH:32][C:33]1[CH:38]=[CH:37][C:36](O)=[CH:35][CH:34]=1)C1C=CC=CC=1.C(N(CC)CC)C.C(OCC)(=O)C>CCCCCC.[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>[CH3:22][O:29][C:30](=[O:40])/[CH:31]=[CH:32]/[C:33]1[CH:34]=[CH:35][C:36]([C:18]#[C:17][C:9]2[CH:8]=[C:7]([O:19][CH3:20])[C:6]3[CH:5]([N:4]([CH:1]4[CH2:3][CH2:2]4)[CH3:21])[CH2:14][CH2:13][C:12]([CH3:15])([CH3:16])[C:11]=3[CH:10]=2)=[CH:37][CH:38]=1

Participants

8

Reactant 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 211071945-(Cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-4-methoxy-5,6,7,8-tetrahydro-naphthalene2×HCID 566275053-(4-Hydroxy-phenyl)-acrylic acid benzyl ester2×

Product 1

HCID 57462493(E)-3-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-acrylic acid methyl ester

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418476HCID 178418476, compoundCatalystHCID 8058HexaneSolvent

Procedure

Following General Procedure B and using 5-(cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-4-methoxy-5,6,7,8-tetrahydro-naphthalene (Intermediate 81, 0.095 g, 0.336 mmol), methyl-4-iodocinnamate (Reagent 4, 0.097 g, 0.336 mmol), triethyl amine (8 mL), copper(I)iodide (0.019 g, 0.1 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.07 g, 0.1 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 5-15% ethyl acetate in hexane as the eluent, the title compound was obtained as a white solid (0.12 g, 80%).

Sources & evidence

ORD record
ord-4ea846e0e3f64ed9828011c9b8404d82
Source dataset
uspto-grants-2008_12
Patent number
US07468391B2

Reaction notes

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