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

HRID 1870016Notes

Reaction equation

HRID 1870016 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:51])[C:23]([C:26]1[CH:31]=[CH:30][C:29](C#CC2C=C(C3CC3)C3OC4(CC4)CC(C)(C)C=3C=2)=[CH:28][CH:27]=1)([CH3:25])[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:51])[C:23]([C:26]1[CH:27]=[CH:28][C:29]([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:30][CH:31]=1)([CH3:25])[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 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 690695532-{4-[5-(Cyclopropyl-methyl-amino)-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 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, 0.16 g, 0.63 mmol), methyl-2-(4-iodophenyl)-2-methyl-propionate (Reagent 2, 0.18 g, 0.58 mmol), triethyl amine (3 mL), copper(I)iodide (0.048 g, 0.25 mmol) and tetrakis(triphenylphosphine)palladium(0) (0.032 g, 0.027 mmol) followed by flash column chromatography over silica gel (230-400 mesh) and preparative normal phase HPLC using 6% ethyl acetate in hexane as the mobile phase, the title compound was obtained (0.14 g, 56%).

Sources & evidence

ORD record
ord-1f5e2ec1d6824923b0b466109f27408a
Source dataset
uspto-grants-2009_12
Patent number
US07638648B2

Reaction notes

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