2-methyl-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazol-1-yl]propan-2-ol → 10-Bromo-9-fluoro-3-[1-(2-hydroxy-2-methyl-propyl)pyrazol-4-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carboxamide
Reaction equation
[Br:1][C:2]1[C:3]([F:20])=[CH:4][C:5]2[O:11][CH2:10][CH2:9][N:8]3[C:12](I)=[C:13]([C:15]([NH2:17])=[O:16])[N:14]=[C:7]3[C:6]=2[CH:19]=1.[CH3:21][C:22]([OH:39])([CH3:38])[CH2:23][N:24]1[CH:28]=[C:27](B2OC(C)(C)C(C)(C)O2)[CH:26]=[N:25]1>>[Br:1][C:2]1[C:3]([F:20])=[CH:4][C:5]2[O:11][CH2:10][CH2:9][N:8]3[C:12]([C:27]4[CH:26]=[N:25][N:24]([CH2:23][C:22]([OH:39])([CH3:38])[CH3:21])[CH:28]=4)=[C:13]([C:15]([NH2:17])=[O:16])[N:14]=[C:7]3[C:6]=2[CH:19]=1Participants
Reactant 2
Product 1
Procedure
10-Bromo-9-fluoro-3-iodo-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carboxamide (0.1 g) was reacted with 2-methyl-1-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazol-1-yl]propan-2-ol similar to as described in Example 5 and triturated from water followed by methanol to give 100 mg of 10-bromo-9-fluoro-3-[1-(2-hydroxy-2-methyl-propyl)pyrazol-4-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carboxamide. This intermediate was reacted with 2-Methyl-3-butyne-ol via similar to as described in Procedure E to afford 18.1 mg of 9-fluoro-10-(3-hydroxy-3-methyl-but-1-ynyl)-3-[1-(2-hydroxy-2-methyl-propyl)pyrazol-4-yl]-5,6-dihydroimidazo[1,2-d][1,4]benzoxazepine-2-carboxamide following reverse phase hplc purification. MS (Q1) 468 (M)+. 1H NMR (400 MHz, DMSO) δ 8.62 (d, J=8.5 Hz, 1H), 8.08 (s, 1H), 7.75 (s, 1H), 7.57 (s, 1H), 7.08-6.91 (m, 2H), 5.50 (s, 1H), 4.68 (s, 1H), 4.54-4.45 (m, 2H), 4.41-4.29 (m, 2H), 4.07 (s, 2H), 1.50 (s, 6H), 1.10 (s, 6H).
Workup
- customtriturated from water
Sources & evidence
- ORD record
- ord-71e32b6eeb994c9cb0bdfa092e0d013c
- Source dataset
- uspto-grants-2015_05
- Patent number
- US09034866B2
Reaction notes
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