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

HRID 1765877Notes

Reaction equation

HRID 1765877 reaction equation
[CH:1]1([N:4]([CH3:19])[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]=[CH:7][C:6]2=3)[CH2:3][CH2:2]1.[CH3:20][O:21][C:22](=[O:50])[CH:23]([C:25]1[CH:30]=[CH:29][C:28](C#CC2C=C(C3CC3)C3OC4(CC4)CC(C)(C)C=3C=2)=[CH:27][CH:26]=1)[CH3:24].C(N(CC)CC)C.C(OCC)(=O)C>CCCCCC.[Cu]I.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>[CH3:20][O:21][C:22](=[O:50])[CH:23]([C:25]1[CH:26]=[CH:27][C:28]([C:18]#[C:17][C:9]2[CH:8]=[CH:7][C:6]3[CH:5]([N:4]([CH:1]4[CH2:3][CH2:2]4)[CH3:19])[CH2:14][CH2:13][C:12]([CH3:15])([CH3:16])[C:11]=3[CH:10]=2)=[CH:29][CH:30]=1)[CH3:24]

Participants

8

Reactant 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 211071955-(Cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalene2×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×

Product 1

HCID 690758892-{4-[5-(Cyclopropyl-methyl-amino)-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalen-2-ylethynyl]-phenyl}-propionic acid methyl ester

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418397HCID 178418397, compoundCatalystHCID 8058HexaneSolvent

Procedure

Following General Procedure B and using 5-(cyclopropyl-methyl-amino)-2-ethynyl-8,8-dimethyl-5,6,7,8-tetrahydro-naphthalene (Intermediate 168, 0.116 g, 0.46 mmol), methyl-2-(4-iodophenyl)propionate (Reagent 1, 0.17 g, 0.59 mmol), triethyl amine (0.75 mL), copper(I)iodide (0.07 g, 0.37 mmol) and tetrakis(triphenylphosphine)palladium(0) (0.022 g, 0.019 mmol) followed by flash column chromatography over silica gel (230–400 mesh) and preparative normal phase HPLC using 5% ethyl acetate in hexane as the eluent, the title compound was obtained (0.08 g, 42%).

Sources & evidence

ORD record
ord-7da248f0baef4b84b5c5ccaa7bd6beef
Source dataset
uspto-grants-2007_06
Patent number
US07226951B2

Reaction notes

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