2-methyl-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propan-2-ol → 1-{8-[1-(2-Hydroxy-2-methyl-propyl)-1H-pyrazol-4-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-2-yl}-5,5-dimethyl-imidazolidine-2,4-dione

HRID 708235Notes

Reaction equation

HRID 708235 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]2[C:11]3[N:12]=[C:13]([N:15]4[C:19]([CH3:21])([CH3:20])[C:18](=[O:22])[NH:17][C:16]4=[O:23])[S:14][C:10]=3[CH2:9][CH2:8][O:7][C:6]=2[CH:24]=1.[CH3:25][C:26]([OH:43])([CH3:42])[CH2:27][N:28]1[CH:32]=[C:31](B2OC(C)(C)C(C)(C)O2)[CH:30]=[N:29]1>>[OH:43][C:26]([CH3:42])([CH3:25])[CH2:27][N:28]1[CH:32]=[C:31]([C:2]2[CH:3]=[CH:4][C:5]3[C:11]4[N:12]=[C:13]([N:15]5[C:19]([CH3:21])([CH3:20])[C:18](=[O:22])[NH:17][C:16]5=[O:23])[S:14][C:10]=4[CH2:9][CH2:8][O:7][C:6]=3[CH:24]=2)[CH:30]=[N:29]1

Participants

3

Reactant 2

HCID 582041312-methyl-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propan-2-olHCID 582042201-(8-Bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-5,5-dimethylimidazolidin-2,4-dione

Product 1

HCID 582039071-{8-[1-(2-Hydroxy-2-methyl-propyl)-1H-pyrazol-4-yl]-4,5-dihydro-6-oxa-3-thia-1-aza-benzo[e]azulen-2-yl}-5,5-dimethyl-imidazolidine-2,4-dioneYield 12%

Procedure

1-(8-Bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-5,5-dimethylimidazolidin-2,4-dione was coupled with 2-methyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl)propan-2-ol under Suzuki conditions to give 485. Yield 12% MS (ESI+): 468.2. 1H NMR (400 MHz, DMSO) δ 11.86 (s, 1H), 8.16 (t, J=8.8, 1H), 8.12 (s, 1H), 7.91 (s, 1H), 7.38 (dd, J=8.2, 1.8, 1H), 7.24 (d, J=1.8, 1H), 4.73 (s, 1H), 4.33 (t, J=4.9, 2H), 4.03 (s, 2H), 3.25 (t, J=5.0, 2H), 1.78 (s, 6H), 1.09 (s, 6H)

Sources & evidence

ORD record
ord-01de21e562bf43c38f6264db88a4dc53
Source dataset
uspto-grants-2015_11
Patent number
US09175009B2

Reaction notes

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