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Aluminum(III) Chloride → N-(4-Methoxybenzyl)-N-(6-hydroxynaphthalen-2-yl)-4-methoxy-3-(3-methoxyphenyl)-benzamide

HRID 2272815
Notes
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Reaction equation

HRID 2272815 reaction equation
[Al+3].[Cl-].[Cl-].[Cl-].[CH3:5][O:6][C:7]1[CH:50]=[CH:49][C:10]([CH2:11][N:12]([C:31]2[CH:40]=[CH:39][C:38]3[C:33](=[CH:34][CH:35]=[C:36]([O:41]CC4C=CC=CC=4)[CH:37]=3)[CH:32]=2)[C:13](=[O:30])[C:14]2[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[C:16]([C:22]3[CH:27]=[CH:26][CH:25]=[C:24]([O:28][CH3:29])[CH:23]=3)[CH:15]=2)=[CH:9][CH:8]=1>C1(OC)C=CC=CC=1.CO>[CH3:5][O:6][C:7]1[CH:8]=[CH:9][C:10]([CH2:11][N:12]([C:31]2[CH:40]=[CH:39][C:38]3[C:33](=[CH:34][CH:35]=[C:36]([OH:41])[CH:37]=3)[CH:32]=2)[C:13](=[O:30])[C:14]2[CH:19]=[CH:18][C:17]([O:20][CH3:21])=[C:16]([C:22]3[CH:27]=[CH:26][CH:25]=[C:24]([O:28][CH3:29])[CH:23]=3)[CH:15]=2)=[CH:49][CH:50]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 2

HCID 6451240Aluminum(III) ChlorideHCID 25140252N-(4-Methoxybenzyl)-N-(6-(benzyloxy)naphthalen-2-yl)-4-methoxy-3-(3-methoxyphenyl)-benzamide

Product 1

HCID 25139546N-(4-Methoxybenzyl)-N-(6-hydroxynaphthalen-2-yl)-4-methoxy-3-(3-methoxyphenyl)-benzamideYield 78.2%

Reagents, catalysts & solvents 2

HCID 887MethanolSolvent
HCID 7519
Anisole
Solvent
2×

Procedure

A solution of AlCl3 (203 mg, 1.52 mmol) in anhydrous anisole (750 μl) was added to 38 (191 mg, 0.31 mmol) in anhydrous anisole (750 μl) and the resulting solution was stirred at room temperature for 18 hours. The reaction was diluted with MeOH (750 μl) and the solvent was concentrated. The residue was purified via column chromatography (SiO2, 1:1 EtOAc:Hexanes) to give 39 as a light yellow amorphous solid (126 mg, 77%): 1H NMR (CDCl3, 500 MHz) δ 7.56 (m, 1H), 7.50 (d, J=8.7 Hz, 1H), 7.47 (dd, J=8.6, 2.3 Hz, 1H), 7.36 (d, J=2.0 Hz, 1H), 7.29 (d, J=2.2 Hz, 1H), 7.25 (m, 2H), 7.12-7.06 (m, 3H), 7.00 (dd, J=8.7, 2.1 Hz, 1H), 6.80 (m, 2H), 6.77 (m, 1H), 6.73 (d, J=8.7 Hz, 1H), 6.59-6.55 (m, 2H), 5.43 (s, 1H), 5.15 (s, 2H), 3.77 (s, 3H), 3.71 (s, 3H), 3.62 (s, 3H); 13C NMR (CDCl3, 125 MHz) δ 170.2, 159.3, 159.0, 157.6, 154.2, 139.7, 139.0, 133.1, 132.4, 130.5, 130.1, 130.1 (2C), 130.0, 129.5, 128.9, 128.9, 128.0, 127.5, 127.3, 125.9, 122.1, 118.7, 114.7, 114.0 (2C), 113.2, 110.4, 109.5, 55.7, 55.4, 55.3, 54.0; IR (film) νmax 3236, 2934, 2835, 1599, 1508, 1456, 1437, 1394, 1248, 1177, 1036 cm−1; HRMS (ESI+) m/z: [M+H]+ calcd for C33H29NO5, 520.2124. found, 520.2120.

Workup

  1. concentrationthe solvent was concentrated
  2. customThe residue was purified via column chromatography (SiO2, 1:1 EtOAc:Hexanes)

Sources & evidence

ORD record
ord-bc5fee8607d1421692363cad75f38f4c
Source dataset
uspto-grants-2015_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09120774B2

Reaction notes

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