(4-Methoxyphenyl)boronic acid → HCID 131733414, compound

HRID 2274895Notes

Reaction equation

HRID 2274895 reaction equation
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2([NH:11][C:12](=[O:22])[O:13][CH:14]3[CH:19]4[CH2:20][CH2:21][N:16]([CH2:17][CH2:18]4)[CH2:15]3)[CH2:10][CH2:9]2)=[CH:4][CH:3]=1.[CH3:23][O:24][C:25]1[CH:30]=[CH:29][C:28](B(O)O)=[CH:27][CH:26]=1>CC([O-])=O.CC([O-])=O.[Pd+2]>[N:16]12[CH2:21][CH2:20][CH:19]([CH2:18][CH2:17]1)[CH:14]([O:13][C:12](=[O:22])[NH:11][C:8]1([C:5]3[CH:6]=[CH:7][C:2]([C:28]4[CH:29]=[CH:30][C:25]([O:24][CH3:23])=[CH:26][CH:27]=4)=[CH:3][CH:4]=3)[CH2:10][CH2:9]1)[CH2:15]2

Participants

4

Reactant 2

HCID 201262(4-Methoxyphenyl)boronic acidHCID 68327923HCID 68327923, compound

Product 1

HCID 131733414HCID 131733414, compoundYield 65%

Reagents, catalysts & solvents 1

HCID 167845palladium(II) acetateCatalyst

Procedure

Using general procedure E, quinuclidin-3-yl 1-(4-bromophenyl)cyclopropylcarbamate (0.485 g, 1.33 mmol), 4-methoxyphenyl boronic acid (0.404 g, 2.66 mmol) and Pd(OAc)2 (0.016 g, 0.071 mmol) gave the title compound as a grey solid (0.337 mg, 65%). 1H NMR (CDCl3) δ 7.48 (dd, J=8.6, 5.5 Hz, 4H), 7.29 (d, J=7.6 Hz, 2H), 6.96 (d, J=8.8 Hz, 2H), 5.58 (d, J=48.7 Hz, 1H), 4.83-4.63 (m, 1H), 3.84 (s, 3H), 3.20 (dd, J=24.0, 15.5 Hz, 1H), 2.97-2.42 (m, 5H), 1.97 (d, J=30.9 Hz, 1H), 1.81 (s, 1H), 1.75-1.33 (m, 3H), 1.28 (d, J=6.8 Hz, 4H) ppm. 13C NMR major rotomer (CDCl3) δ 159.1, 156.0, 141.4, 139.0, 133.4, 128.0, 126.7, 125.9, 114.2, 71.5, 55.7, 55.3, 47.4, 46.5, 35.3, 25.5, 24.6, 19.6, 17.8 ppm. Purity: LCMS>97.1% (214 nm & 254 nm); retention time 0.88 min; (M+1) 393.4.

Sources & evidence

ORD record
ord-3220cfbc98364fccb8aa1b4326495ca8
Source dataset
uspto-grants-2015_09
Patent number
US09126993B2

Reaction notes

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