Tetrahydrofuran → 4-(1-Cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl-ethynyl)-benzoic acid ethyl ester

HRID 1935837Notes

Reaction equation

HRID 1935837 reaction equation
COC(=O)C1C=CC(C#C[C:12]2[CH:13]=[C:14]([CH:26]3[CH2:28]C3)[C:15]3O[C:19]4(CC4)[CH2:18][C:17]([CH3:24])([CH3:23])[C:16]=3[CH:25]=2)=CC=1F.[CH2:31]([O:33][C:34](=[O:42])[C:35]1[CH:40]=[CH:39][C:38](I)=[CH:37][CH:36]=1)[CH3:32].C([N:45]([CH2:48][CH3:49])CC)C.O1CCC[CH2:51]1>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>[CH2:31]([O:33][C:34](=[O:42])[C:35]1[CH:40]=[CH:39][C:38]([C:28]#[C:26][C:14]2[CH:15]=[C:16]3[C:25](=[CH:12][CH:13]=2)[N:45]([CH:48]2[CH2:49][CH2:51]2)[CH2:19][CH2:18][C:17]3([CH3:23])[CH3:24])=[CH:37][CH:36]=1)[CH3:32]

Participants

9

Reactant 4

HCID 8028TetrahydrofuranHCID 8471TriethylamineHCID 142891Ethyl 4-iodobenzoate2×HCID 695484184-[(8-Cyclopropyl-3 4-dihydro-4,4-dimethylspiro[2H-1-benzopyran-2,1'-cyclopropane]-6-yl)ethynyl]-2-fluoro-benzoic acid methyl ester2×

Product 1

HCID 695488784-(1-Cyclopropyl-4,4-dimethyl-1,2,3,4-tetrahydro-quinolin-6-yl-ethynyl)-benzoic acid ethyl ester

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 F and using 1-cyclopropyl-6-ethynyl-4,4-dimethyl-1,2,3,4-tetrahydro quinoline (Intermediate 53, 0.11 g, 0.43 mmol), ethyl-4-iodo-benzoate (Reagent A, 0.11 g, 0.9 mmol), triethyl amine (3 mL), tetrahydrofuran(3 mL), copper(I)iodide(0.02 g, 0.1 mmol) and dichlorobis(triphenylphosphine)palladium(II) (0.060 g, 0.085 mmol) followed by flash column chromatography over silica gel (230-400 mesh) using 5-10% ethyl acetate in hexane as the eluent, the title compound was obtained (0.05 g, 31%).

Sources & evidence

ORD record
ord-a4891bd99f664c339ce6786b574fd924
Source dataset
uspto-grants-2002_05
Patent number
US06387892B1

Reaction notes

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