Triethylamine → HCID 69077063, compound

HRID 1765750Notes

Reaction equation

HRID 1765750 reaction equation
[CH:1]([O:4][C:5]([C:7]1[CH:8]=[C:9]([C:21]#[CH:22])[CH:10]=[C:11]2[C:16]=1[O:15][C:14]([CH3:18])([CH3:17])[CH2:13][C:12]2([CH3:20])[CH3:19])=[O:6])([CH3:3])[CH3:2].[CH3:23][O:24][C:25](=[O:34])[CH2:26][C:27]1[CH:32]=[CH:31][C:30](I)=[CH:29][CH:28]=1.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>[CH:1]([O:4][C:5]([C:7]1[CH:8]=[C:9]([C:21]#[C:22][C:30]2[CH:31]=[CH:32][C:27]([CH2:26][C:25]([O:24][CH3:23])=[O:34])=[CH:28][CH:29]=2)[CH:10]=[C:11]2[C:16]=1[O:15][C:14]([CH3:18])([CH3:17])[CH2:13][C:12]2([CH3:20])[CH3:19])=[O:6])([CH3:3])[CH3:2]

Participants

8

Reactant 4

HCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 10378700Methyl 4-IodophenylacetateHCID 57424226HCID 57424226, compound2×

Product 1

HCID 69077063HCID 69077063, compound

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 6-ethynyl-2,2,4,4-tetramethylchroman-8-carboxylic acid isopropyl ester (Intermediate 44 0.025 g, 0.08 mmol), 4-iodo phenyl acetic acid methyl ester (0.027 g, 0.1 mmol), triethyl amine (2 mL), copper(I)iodide (0.008 g, 0.04 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.017 g, 0.024 mmol) followed by flash column chromatography over silica gel (230–400 mesh) using 40% ethyl acetate in hexane as the eluent, the title compound was obtained as a yellow oil (0.019 g, 53%).

Sources & evidence

ORD record
ord-a0a8426f525c4592af0c82c49c9120a9
Source dataset
uspto-grants-2007_06
Patent number
US07226951B2

Reaction notes

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