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Triphenylphosphine → methyl (E)-[4-[3-(4-iodophenyl)-3-(3-trifluoromethylphenyl)allyloxy]-2-methylphenoxy]acetate

HRID 1810659
Notes
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Reaction equation

HRID 1810659 reaction equation
[I:1][C:2]1[CH:7]=[CH:6][C:5](/[C:8](/[C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:21])([F:20])[F:19])[CH:13]=2)=[CH:9]\[CH2:10][OH:11])=[CH:4][CH:3]=1.[CH3:22][C:23]1[CH:33]=[C:32](OC/C=C(/C2C=CC(C#CCN3CCOCC3)=CC=2)\C2C=CC=CC=2)[CH:31]=[CH:30][C:24]=1[O:25][CH2:26][C:27]([OH:29])=[O:28].[C:59]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OC(C)C)=O)=NC(OC(C)C)=O>C1(C)C=CC=CC=1.O1CCCC1>[I:1][C:2]1[CH:7]=[CH:6][C:5](/[C:8](/[C:12]2[CH:17]=[CH:16][CH:15]=[C:14]([C:18]([F:19])([F:20])[F:21])[CH:13]=2)=[CH:9]\[CH2:10][O:11][C:32]2[CH:31]=[CH:30][C:24]([O:25][CH2:26][C:27]([O:29][CH3:59])=[O:28])=[C:23]([CH3:22])[CH:33]=2)=[CH:4][CH:3]=1
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 11776TriphenylphosphineHCID 75555Diisopropyl diazene-1,2-dicarboxylateHCID 19261273(e)-3-(4-Iodophenyl)-3-(3-trifluoromethylphenyl)prop-2-en-1-olHCID 23633918(e)-[2-Methyl-4-[3-[4-[3-(morpholin-4-yl)propynyl]phenyl]-3-phenylallyloxy]phenoxy]acetic acid

Product 1

HCID 86629302
methyl (E)-[4-[3-(4-iodophenyl)-3-(3-trifluoromethylphenyl)allyloxy]-2-methylphenoxy]acetate

Reagents, catalysts & solvents 2

HCID 1140TolueneSolventHCID 8028TetrahydrofuranSolvent2×

Conditions

Temperature
0 °C

Procedure

The above allyl alcohol (2.0 g, 4.94 mmol), methyl (4-hydroxy-2-methylphenoxy)-acetate (1.08 g, 5.54 mmol; example 2) and triphenylphosphine (1.50 g, 6.02 mmol) were dissolved in a mixture of anhydrous toluene (40 mL) and tetrahydrofuran (20 mL). The mixture was cooled to 0° C., kept under argon and a degassed solution of diisopropyl azodicarboxylate (1.15 mL, 5.82 mmol) in anhydrous tetrahydrofuran (10 mL) was added dropwise during 10 min. The reaction mixture was allowed to warm up to ambient temperature with the bath and then was stirred for 20 h. The solvents were evaporated in vacuo and the residue was submitted to flash column chromatography (silica gel Fluka 60, hexanes/ethyl acetate 9:1) affording methyl (E)-[4-[3-(4-iodophenyl)-3-(3-trifluoromethylphenyl)allyloxy]-2-methyl-phenoxy]acetate as yellow oil.

Workup

  1. temperatureto warm up to ambient temperature with the bath
  2. customThe solvents were evaporated in vacuo

Sources & evidence

ORD record
ord-f37146cac3cd4f1d978d13b0e7c75d85
Source dataset
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08362016B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes