Water → 2,6-Diisopropyl-N-{[6-(2-{[(2-methylphenyl)amino]methyl}-1-naphthyl)pyridin-2-yl]methyl}aniline

HRID 634074Notes

Reaction equation

HRID 634074 reaction equation
C([O-])([O-])=O.[Na+].[Na+].O.[CH3:8][C:9]1[CH:35]=[CH:34][CH:33]=[CH:32][C:10]=1[NH:11][CH2:12][C:13]1[CH:22]=[CH:21][C:20]2[C:15](=[CH:16][CH:17]=[CH:18][CH:19]=2)[C:14]=1B1OC(C)(C)C(C)(C)O1.Br[C:37]1[N:42]=[C:41]([CH2:43][NH:44][C:45]2[C:50]([CH:51]([CH3:53])[CH3:52])=[CH:49][CH:48]=[CH:47][C:46]=2[CH:54]([CH3:56])[CH3:55])[CH:40]=[CH:39][CH:38]=1>C1(C)C=CC=CC=1.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.CO>[CH:54]([C:46]1[CH:47]=[CH:48][CH:49]=[C:50]([CH:51]([CH3:53])[CH3:52])[C:45]=1[NH:44][CH2:43][C:41]1[CH:40]=[CH:39][CH:38]=[C:37]([C:14]2[C:15]3[C:20](=[CH:19][CH:18]=[CH:17][CH:16]=3)[CH:21]=[CH:22][C:13]=2[CH2:12][NH:11][C:10]2[CH:32]=[CH:33][CH:34]=[CH:35][C:9]=2[CH3:8])[N:42]=1)([CH3:56])[CH3:55]

Participants

8

Conditions

Temperature
70 °C

Procedure

A mixture of 27.2 g (95.0 mmol) of Na2CO3×10H2O, 410 ml of water and 120 ml of methanol was purged with argon for 30 min. The obtained solution was added to a mixture of 14.2 g (38.0 mmol) of 2-methyl-N-{[1-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-2-naphthyl]methyl}aniline, 13.3 g (38.0 mmol) of N-[(6-bromopyridin-2-yl)methyl]-2,6-diisopropylaniline, and 2.19 g (1.90 mmol) of Pd(PPh3)4 in 500 ml of toluene. This mixture was stirred for 12 h at 70° C., then cooled to room temperature. The organic layer was separated, the aqueous layer was extracted with 3×200 ml of ethyl acetate. The combined organic extract was washed with brine, dried over Na2SO4 and evaporated to dryness. The residue was purified by flash chromatography on silica gel 60 (40-63 um, eluent: hexane-ethyl acetate-triethylamine=100:20:1, vol.). Yield 10.1 g (52%) of a yellow powder. Anal. calc. for C36H39N3: C, 84.17; H, 7.65; N, 8.18. Found: C, 84.28; H, 7.73; N, 8.09. 1H NMR (CDCl3): δ 7.91 (d, J=8.4 Hz, 1H, 4-H in naphthyl), 7.89 (m, 1H, 8-H in naphthyl), 7.79 (m, 1H, 4-H in Py), 7.66 (d, J=8.4 Hz, 1H, 3-H in naphthyl), 7.47 (m, 1H, 7-H in naphthyl), 7.36-7.42 (m, 4H, 3, 5-H in Py and 5, 6-H in naphthyl), 7.04-7.10 (m, 3H, 3, 5-H in ortho-tolyl and 4-H in 2,6-diisopropylphenyl), 7.01 (m, 2H, 3, 5-H in 2,6-diisopropylphenyl), 6.61 (m, 1H, 4-H in ortho-tolyl), 6.52 (m, 1H, 6-H in ortho-tolyl), 4.22-4.35 (m, 4H, CH2N), 4.02 (br.s, 1H, NH), 3.93 (br.s, 1H, NH), 3.28 (sept, J=6.8 Hz, 2H, CHMe2), 2.09 (s, 3H, Me in ortho-tolyl), 1.16 (d, J=6.8 Hz, 6H, CHMeMe′), 1.14 (d, J=6.8 Hz, 6H, CHMeMe′).

Workup

  1. customwas purged with argon for 30 min
  2. temperaturecooled to room temperature
  3. customThe organic layer was separated
  4. extractionthe aqueous layer was extracted with 3×200 ml of ethyl acetate
  5. extractionThe combined organic extract
  6. washwas washed with brine
  7. dry with materialdried over Na2SO4
  8. customevaporated to dryness
  9. customThe residue was purified by flash chromatography on silica gel 60 (40-63 um, eluent: hexane-ethyl acetate-triethylamine=100:20:1, vol.)

Sources & evidence

ORD record
ord-0b3c3de249844e9994923b2b9a2b2509
Source dataset
uspto-grants-2016_04
Patent number
US09321858B2

Reaction notes

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