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

HRID 1869923Notes

Reaction equation

HRID 1869923 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.[CH3:22][O:23][C:24](=[O:53])[C:25]([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])[CH3:26].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:23][C:24](=[O:53])[C:25]([C:28]1[CH:29]=[CH:30][C:31]([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:32][CH:33]=1)([CH3:27])[CH3:26]

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 690773412-{4-[(8-Cyclopropyl-3,4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-phenyl}-2-methyl-propionic acid methyl ester2×

Product 1

HCID 574242462-{4-[5-(Cyclopropyl-methyl-amino)-4-methoxy-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-2-methyl-propionic 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, 0.090 g, 0.32 mmol), methyl-2-(4-iodophenyl)-2-methyl-propionate (Reagent 2, 0.097 g, 0.3 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 5-20% ethyl acetate in hexane as the eluent, the title compound was obtained as a solid (0.09 g, 78%).

Sources & evidence

ORD record
ord-487ed013245745ec977c7870ffbf1032
Source dataset
uspto-grants-2009_12
Patent number
US07638648B2

Reaction notes

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