Triethylamine → Cyclopropyl-methyl-(3-trimethylsilanylethynyl-phenyl)-amine

HRID 2377436Notes

Reaction equation

HRID 2377436 reaction equation
Br[C:2]1[CH:3]=[C:4]([N:8]([CH:10]2[CH2:12][CH2:11]2)[CH3:9])[CH:5]=[CH:6][CH:7]=1.C(N(CC)CC)C.[CH3:20][Si:21]([C:24]#[CH:25])([CH3:23])[CH3:22].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>[CH:10]1([N:8]([CH3:9])[C:4]2[CH:5]=[CH:6][CH:7]=[C:2]([C:25]#[C:24][Si:21]([CH3:23])([CH3:22])[CH3:20])[CH:3]=2)[CH2:12][CH2:11]1

Participants

8

Reactant 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 66111TrimethylsilylacetyleneHCID 21107154(3-Bromo-phenyl)-cyclopropyl-methyl-amine2×

Product 1

HCID 57424251Cyclopropyl-methyl-(3-trimethylsilanylethynyl-phenyl)-amineYield 84%

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 D and using (3-bromo-phenyl)-cyclopropyl-methyl-amine (Intermediate 113, 0.056 g, 0.25 mmol), triethyl amine (3 mL), copper(I)iodide (0.025 g, 0.13 mmol), trimethylsilyl acetylene (2.5 mL, 17.6 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.065 g, 0.09 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 1.5% ethyl acetate in hexane as the eluent, the title compound (0.051 g, 84%) was obtained.

Sources & evidence

ORD record
ord-38ece4e6affc41dab9c48387a243ab0e
Source dataset
uspto-grants-2008_12
Patent number
US07468391B2

Reaction notes

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