Tetrahydrofuran → Methyl (e)-[2-methyl-4-[3-[4-[3-(pyrazol-1-yl)prop-1-ynyl]phenyl]-3-(4-trifluoromethylphenyl)allyloxy]-phenoxy]acetate

HRID 1039445Notes

Reaction equation

HRID 1039445 reaction equation
I[C:2]1[CH:7]=[CH:6][C:5](/[C:8](/[C:25]2[CH:30]=[CH:29][C:28]([C:31]([F:34])([F:33])[F:32])=[CH:27][CH:26]=2)=[CH:9]\[CH2:10][O:11][C:12]2[CH:23]=[CH:22][C:15]([O:16][CH2:17][C:18]([O:20][CH3:21])=[O:19])=[C:14]([CH3:24])[CH:13]=2)=[CH:4][CH:3]=1.O1CCCC1.[CH2:40]([N:43]1[CH:47]=[CH:46][CH:45]=[N:44]1)[C:41]#[CH:42]>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.[Cu]I.C(N(CC)CC)C>[CH3:24][C:14]1[CH:13]=[C:12]([O:11][CH2:10]/[CH:9]=[C:8](\[C:5]2[CH:4]=[CH:3][C:2]([C:42]#[C:41][CH2:40][N:43]3[CH:47]=[CH:46][CH:45]=[N:44]3)=[CH:7][CH:6]=2)/[C:25]2[CH:26]=[CH:27][C:28]([C:31]([F:32])([F:34])[F:33])=[CH:29][CH:30]=2)[CH:23]=[CH:22][C:15]=1[O:16][CH2:17][C:18]([O:20][CH3:21])=[O:19]

Participants

7

Reactant 3

HCID 8028TetrahydrofuranHCID 117685231-(prop-2-yn-1-yl)-1H-pyrazoleHCID 86629276methyl (Z)-[4-[3-(4-iodophenyl)-3-(4-trifluoromethylphenyl)allyloxy]-2-methylphenoxy]acetate

Product 1

HCID 131728882Methyl (e)-[2-methyl-4-[3-[4-[3-(pyrazol-1-yl)prop-1-ynyl]phenyl]-3-(4-trifluoromethylphenyl)allyloxy]-phenoxy]acetate

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 178418397HCID 178418397, compoundCatalystHCID 8471TriethylamineSolvent

Procedure

A solution of the above ester (375 mg, 0.644 mmol) in the mixture of tetrahydrofuran (5 mL) and triethylamine (5 mL) was degassed and 1-propargylpyrazole (123 mg, 1.16 mmol) was added in argon atmosphere. The solution was cooled down; tetrakis(triphenylphosphine)palladium (59.5 mg, 0.052 mmol) and copper(I) iodide (19.6 mg, 0.103 mmol) were added. The reaction mixture was stirred at ambient temperature for 48 h. The mixture was evaporated in vacuo and the residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3) yielding methyl (E)-[2-methyl-4-[3-[4-[3-(pyrazol-1-yl)prop-1-ynyl]phenyl]-3-(4-trifluoromethylphenyl)allyloxy]-phenoxy]acetate.

Workup

  1. customwas degassed
  2. temperatureThe solution was cooled down
  3. customThe mixture was evaporated in vacuo
  4. customthe residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3)

Sources & evidence

ORD record
ord-b35dc5f9fc274a8fae000a7b5a6069b1
Source dataset
uspto-grants-2013_10
Patent number
US08551993B2

Reaction notes

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