4-Bromo-2-fluoro-1-(methylsulfonyl)benzene → Tert-butyl 4-{5-[3-fluoro-4-(methylsulfonyl)phenyl]benzo[d]oxazol-2-yl}piperidine-1-carboxylate

HRID 710123Notes

Reaction equation

CC1(C)C(C)(C)OB([C:9]2[CH:10]=[CH:11][C:12]3[O:16][C:15]([CH:17]4[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])[CH2:19][CH2:18]4)=[N:14][C:13]=3[CH:30]=2)O1.Br[C:33]1[CH:38]=[CH:37][C:36]([S:39]([CH3:42])(=[O:41])=[O:40])=[C:35]([F:43])[CH:34]=1>>[F:43][C:35]1[CH:34]=[C:33]([C:9]2[CH:10]=[CH:11][C:12]3[O:16][C:15]([CH:17]4[CH2:22][CH2:21][N:20]([C:23]([O:25][C:26]([CH3:28])([CH3:29])[CH3:27])=[O:24])[CH2:19][CH2:18]4)=[N:14][C:13]=3[CH:30]=2)[CH:38]=[CH:37][C:36]=1[S:39]([CH3:42])(=[O:41])=[O:40]

Participants

Reactant 2

HCID 459337204-Bromo-2-fluoro-1-(methylsulfonyl)benzene

HCID 71090269Tert-butyl 4-(5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]oxazol-2-yl)piperidine-1-carboxylate

Product 1

HCID 71114583Tert-butyl 4-{5-[3-fluoro-4-(methylsulfonyl)phenyl]benzo[d]oxazol-2-yl}piperidine-1-carboxylateYield 27.5%

Procedure

Following the General Procedure-1, the titled compound (30 mg) was prepared from Intermediate 8 (100 mg, 0.23 mmol) and 4-bromo-2-fluoro-1-(methylsulfonyl)benzene (70 mg, 0.37 mmol) as an off-white solid. M.P.: 174.3-177.5° C. 1H-NMR (δ ppm, CDCl3, 400 MHz): 8.03 (t, J 7.9, 1H), 7.88 (d, J 1.6, 1H), 7.61-7.51 (m, 3H), 7.46 (dd, J 1.6, 11.1, 1H), 4.15 (d, J 11.2, 2H), 3.26 (s, 3H), 3.20-3.11 (m, 1H), 3.00 (t, J 12.2, 2H), 2.20-2.12 (m, 2H), 1.98-1.84 (m, 2H), 1.48 (s, 9H).

Sources & evidence

ORD record: ord-bd22426998a646cd818a3b832c496bad
Source dataset: uspto-grants-2015_11
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US09181214B2

Reaction notes

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