(2-Methylpropyl)boronic acid → HCID 131733400, compound

HRID 2281208Notes

Reaction equation

HRID 2281208 reaction equation
[N:1]12[CH2:8][CH2:7][CH:4]([CH2:5][CH2:6]1)[CH:3]([O:9][C:10](=[O:22])[NH:11][C:12]([C:15]1[CH:20]=[CH:19][CH:18]=[C:17](Br)[CH:16]=1)([CH3:14])[CH3:13])[CH2:2]2.[CH3:23][CH:24]([CH3:29])[CH2:25]B(O)O>C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH3:23][CH:24]([CH3:29])[CH2:25][C:17]1[CH:16]=[C:15]([C:12]([NH:11][C:10](=[O:22])[O:9][CH:3]2[CH:4]3[CH2:7][CH2:8][N:1]([CH2:6][CH2:5]3)[CH2:2]2)([CH3:14])[CH3:13])[CH:20]=[CH:19][CH:18]=1

Participants

4

Reactant 2

HCID 2734395(2-Methylpropyl)boronic acidHCID 131733399HCID 131733399, compound

Product 1

HCID 131733400HCID 131733400, compoundYield 72.6%

Reagents, catalysts & solvents 1

HCID 167845palladium(II) acetateCatalyst

Procedure

Using general procedure E, 1-azabicyclo[2.2.2]oct-3-yl[2-(3-bromophenyl)propan-2-yl]carbamate (75 mg, 0.20 mmol), 2-methylpropyl boronic acid (28.1 mg, 0.276 mmol) and palladium (II) acetate gave the title compound as a white solid (50 mg, 71%). 1H NMR (400 MHz, CDCl3) 7.21 (d, J=4.9 Hz, 2H), 7.16 (s, 1H), 7.00 (s, 1H), 5.17 (s, 1H), 4.60 (s, 1H), 3.35-2.10 (m, 6H), 2.45 (d, J=7.1 Hz, 2H), 1.82 (dt, J=6.8, 13.5 Hz, 1H), 2.03-0.94 (m, 5H), 1.65 (s, 6H), 0.89 (d, J=6.6 Hz, 6H) ppm. 13C NMR (100 MHz, CDCl3) δ 172.6, 172.1, 170.8, 170.2, 160.1, 160.0, 157.8, 157.7, 140.4, 139.8, 130.5, 130.4, 130.0, 129.8, 129.5, 129.3, 127.9, 127.7, 120.8, 120.7, 120.3, 113.9, 113.6, 113.2, 113.0, 110.5, 110.4, 66.6, 66.5, 56.8, 56.3, 55.4, 55.4, 54.0, 53.7, 51.1, 46.6, 43.8, 43.7, 42.0, 38.4, 37.8, 37.7, 33.8, 33.2, 27.4, 27.0, 25.7, 25.5, 20.9, 20.9 ppm. Purity: 90% UPLCMS (210 nm): retention time 0.89 min: (M+1) 345.

Sources & evidence

ORD record
ord-909f92dde06845ca94ee91c200dafd94
Source dataset
uspto-grants-2015_09
Patent number
US09139580B2

Reaction notes

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