Tetrahydrofuran → HCID 69076270, compound

HRID 1765829Notes

Reaction equation

HRID 1765829 reaction equation
[CH:1]([O:4][C:5](=[O:19])[C:6]1[CH:11]=[CH:10][C:9](Br)=[CH:8][C:7]=1[CH2:13][N:14]([CH:16]1[CH2:18][CH2:17]1)[CH3:15])([CH3:3])[CH3:2].C(N(CC)CC)C.O1CCCC1.[CH3:32][Si:33]([C:36]#[CH:37])([CH3:35])[CH3:34]>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.C(OCC)(=O)C>[CH:1]([O:4][C:5](=[O:19])[C:6]1[CH:11]=[CH:10][C:9]([C:37]#[C:36][Si:33]([CH3:35])([CH3:34])[CH3:32])=[CH:8][C:7]=1[CH2:13][N:14]([CH:16]1[CH2:18][CH2:17]1)[CH3:15])([CH3:3])[CH3:2]

Participants

9

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 66111TrimethylsilylacetyleneHCID 574242544-Bromo-2-[(cyclopropyl-methylamino)-methyl]-benzoic acid isopropyl ester2×

Product 1

HCID 69076270HCID 69076270, compound

Reagents, catalysts & solvents 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418476HCID 178418476, compoundCatalystHCID 8058HexaneSolventHCID 8857Ethyl AcetateSolvent

Procedure

Following General Procedure D and using 4-bromo-2-[(cyclopropyl-methyl-amino)-methyl]-benzoic acid isopropyl ester (Intermediate 120, 1.23 g, 3.68 mmol), triethyl amine (10 mL), tetrahydrofuran (5 mL), copper(I)iodide (0.21 g, 1.1 mmol), trimethylsilyl acetylene (2.1 mL, 14.7 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.77 g, 1.1 mmol) followed by flash column chromatography over silica gel (230–400 mesh) using 7% ethyl acetate in hexane as the eluent, the title compound was obtained as an oil (1.2 g,˜100%).

Sources & evidence

ORD record
ord-6c400d889ad043d288e613429d7aa7ef
Source dataset
uspto-grants-2007_06
Patent number
US07226951B2

Reaction notes

Loading…