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Tetrahydrofuran → methyl (Z)-[2-methyl-4-[3-(4-methylphenyl)-3-[4-(3-pyrazol-1-ylpropynyl)phenyl]allyloxy]phenoxy]acetate

HRID 1039459
Notes
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Reaction equation

HRID 1039459 reaction equation
[CH3:1][C:2]1[CH:12]=[C:11]([O:13][CH2:14]/[CH:15]=[C:16](/[C:32]2[CH:37]=[CH:36][C:35]([CH3:38])=[CH:34][CH:33]=2)\[C:17]2[CH:22]=[CH:21][C:20]([C:23]#[C:24][CH2:25][N:26]3CCO[CH2:28][CH2:27]3)=[CH:19][CH:18]=2)[CH:10]=[CH:9][C:3]=1[O:4][CH2:5][C:6]([OH:8])=O.C([N:42]1[CH:46]=CC=N1)C#C.[O:47]1CCC[CH2:48]1>C(N(CC)CC)C.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>[CH3:1][C:2]1[CH:12]=[C:11]([O:13][CH2:14]/[CH:15]=[C:16](/[C:32]2[CH:33]=[CH:34][C:35]([CH3:38])=[CH:36][CH:37]=2)\[C:17]2[CH:22]=[CH:21][C:20]([C:23]#[C:24][CH2:25][N:26]3[CH:27]=[CH:28][CH:46]=[N:42]3)=[CH:19][CH:18]=2)[CH:10]=[CH:9][C:3]=1[O:4][CH2:5][C:6]([O:47][CH3:48])=[O:8]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 3

HCID 8028TetrahydrofuranHCID 117685231-(prop-2-yn-1-yl)-1H-pyrazoleHCID 23633919(Z)-[2-Methyl-4-[3-(4-methylphenyl)-3-[4-[3-(morpholin-4-yl)propynyl]phenyl]allyloxy]-phenoxy]acetic Acid

Product 1

HCID 86629289methyl (Z)-[2-methyl-4-[3-(4-methylphenyl)-3-[4-(3-pyrazol-1-ylpropynyl)phenyl]allyloxy]phenoxy]acetate

Reagents, catalysts & solvents 3

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

Procedure

A solution of methyl (Z)-[2-methyl-4-[3(4-iodophenyl)-3-(4-methylphenyl)]allyloxy]-phenoxy]acetate (310 mg, 0.587 mmol; example 3) in a mixture of tetrahydrofuran (9 mL) and triethylamine (9 mL) was degassed and 1-propargyl-1H-pyrazole (124 mg, 1.17 mmol) was added in argon atmosphere. The solution was cooled down; tetrakis(triphenylphosphine)palladium (54 mg, 0.046 mmol) and copper(I) iodide (17.8 mg, 0.094 mmol) were added. The reaction mixture was stirred at ambient temperature for 4 days, subsequently evaporated in vacuo and the residue was dissolved in ethyl acetate (20 mL). The solution was washed with water (3×15 mL), dried with anhydrous magnesium sulphate and evaporated in vacuo. The residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3) yielding methyl (Z)-[2-methyl-4-[3(4-methylphenyl)-3-[4-(3-pyrazol-1-ylpropynyl)phenyl]allyloxy]phenoxy]acetate.

Workup

  1. customwas degassed
  2. temperatureThe solution was cooled down
  3. customsubsequently evaporated in vacuo
  4. dissolutionthe residue was dissolved in ethyl acetate (20 mL)
  5. washThe solution was washed with water (3×15 mL)
  6. dry with materialdried with anhydrous magnesium sulphate
  7. customevaporated in vacuo
  8. customThe residue was purified by flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 7:3)

Sources & evidence

ORD record
ord-777ab7f268e74117b1a11ced52f6e57c
Source dataset
uspto-grants-2013_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08551993B2

Reaction notes

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