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Methyl iodide → 5'-(1-(benzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-2'-(isopropoxymethyl)-N,N-dimethylbiphenyl-4-carboxamide

HRID 1665756
Notes
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Reaction equation

HRID 1665756 reaction equation
[H-].[Na+].[O:3]1[C:7]2[CH:8]=[CH:9][C:10]([C:12]3([C:15]([NH:17][C:18]4[CH:19]=[CH:20][C:21]([CH3:35])=[C:22]([C:24]5[CH:29]=[CH:28][C:27]([C:30]([N:32]([CH3:34])[CH3:33])=[O:31])=[CH:26][CH:25]=5)[CH:23]=4)=[O:16])[CH2:14][CH2:13]3)=[CH:11][C:6]=2[O:5][CH2:4]1.IC>O1CCCC1.CN(C)C=O>[O:3]1[C:7]2[CH:8]=[CH:9][C:10]([C:12]3([C:15]([NH:17][C:18]4[CH:19]=[CH:20][C:21]([CH2:35][O:3][CH:7]([CH3:8])[CH3:6])=[C:22]([C:24]5[CH:25]=[CH:26][C:27]([C:30]([N:32]([CH3:34])[CH3:33])=[O:31])=[CH:28][CH:29]=5)[CH:23]=4)=[O:16])[CH2:14][CH2:13]3)=[CH:11][C:6]=2[O:5][CH2:4]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6328Methyl iodide2×HCID 24758Sodium hydride2×HCID 592065844-[5-(1-benzo[1,3]dioxol-5-ylcyclopropyl)carbonylamino-2-methyl-phenyl]-N,N-dimethyl-benzamide

Product 1

HCID 592066525'-(1-(benzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-2'-(isopropoxymethyl)-N,N-dimethylbiphenyl-4-carboxamideYield 75.7%

Reagents, catalysts & solvents 2

HCID 6228
Dimethylformamide
Solvent
HCID 8028TetrahydrofuranSolvent

Procedure

Sodium hydride (2.2 mg, 0.055 mmol, 60% by weight dispersion in oil) was slowly added to a stirred solution of 5′-(1-(benzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-N,N,2′-trimethylbiphenyl-4-carboxamide (21 mg, 0.048 mmol) in a mixture of 0.90 mL of anhydrous tetrahydrofuran (THF) and 0.10 mL of anhydrous N,N-dimethylformamide (DMF). The resulting suspension was allowed to stir for 3 minutes before iodomethane (0.0048 mL, 0.072 mmol) was added to the reaction mixture. An additional aliquot of sodium hydride and iodomethane were required to consume all of the starting material which was monitored by LCMS. The crude reaction product was evaporated to dryness, redissolved in a minimum of DMF and purified by preparative LCMS chromatography to yield 5′-(1-(benzo[d][1,3]dioxol-5-yl)cyclopropanecarboxamido)-2′-(isopropoxymethyl)-N,N-dimethylbiphenyl-4-carboxamide (9.1 mg, 42%) ESI-MS m/z calc. 456.2, found 457.5 (M+1)+. Retention time of 2.94 minutes. 1H NMR (400 MHz, CD3CN) δ 0.91-0.93 (m, 2H), 1.41-1.45 (m, 2H), 2.23 (s, 3H), 3.00 (s, 3H), 3.07 (s, 3H), 3.20 (s, 3H), 5.81 (s, 2H), 6.29-6.36 (m, 2H), 6.56 (d, J=8.0 Hz, 1H), 6.69 (s, 1H), 6.92 (dd, J=1.6, 7.9 Hz, 1H), 7.17 (d, J=8.1 Hz, 1H), 7.28 (d, J=8.1 Hz, 2H), 7.46 (dd, J=1.8, 6.4 Hz, 2H).

Workup

  1. additionwas added to the reaction mixture
  2. customto consume all of the starting material which
  3. customThe crude reaction product
  4. customwas evaporated to dryness
  5. dissolutionredissolved in a minimum of DMF
  6. custompurified by preparative LCMS chromatography

Sources & evidence

ORD record
ord-6b544cc043004585b39cb6aacb3fe632
Source dataset
uspto-grants-2011_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08039491B2

Reaction notes

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