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

HRID 710116Notes

Reaction equation

HRID 710116 reaction equation
Br[C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([CH:10]3[CH2:15][CH2:14][N:13]([C:16]([O:18][C:19]([CH3:22])([CH3:21])[CH3:20])=[O:17])[CH2:12][CH2:11]3)=[N:7][C:6]=2[CH:23]=1.[F:24][C:25]1[CH:30]=[C:29]([S:31]([CH3:34])(=[O:33])=[O:32])[CH:28]=[CH:27][C:26]=1B1OC(C)(C)C(C)(C)O1>>[F:24][C:25]1[CH:30]=[C:29]([S:31]([CH3:34])(=[O:33])=[O:32])[CH:28]=[CH:27][C:26]=1[C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([CH:10]3[CH2:15][CH2:14][N:13]([C:16]([O:18][C:19]([CH3:22])([CH3:20])[CH3:21])=[O:17])[CH2:12][CH2:11]3)=[N:7][C:6]=2[CH:23]=1

Participants

3

Reactant 2

HCID 682992982-(2-Fluoro-4-(methylsulfonyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneHCID 71089579Tert-butyl 4-(5-bromobenzo[d]oxazol-2-yl)piperidine-1-carboxylate

Product 1

HCID 71114584Tert-butyl 4-{5-[2-fluoro-4-(methylsulfonyl)phenyl]benzo[d]oxazol-2-yl}piperidine-1-carboxylateYield 21.1%

Procedure

Following the General Procedure-1, the titled compound (40 mg) was prepared from Intermediate 7 (150 mg, 0.4 mmol) and Intermediate 3 (154 mg, 0.51 mmol) as an off-white solid. M.P.: 144-147° C. 1H-NMR (δ ppm, CDCl3, 400 MHz): 7.87 (s, 1H), 7.82 (d, J 8, 1H), 7.77 (dd, J 1.4, 9.4, 1H), 7.67 (t, J 7.5, 1H), 7.59 (d, J 8.4, 1H), 7.50 (d, J 8.5, 1H), 4.15 (d, J 7.7, 2H), 3.22-3.10 (m, 4H), 3.00 (t, J 11.3, 2H), 2.21-2.12 (m, 2H), 2.00-1.88 (m, 2H), 1.48 (s, 9H).

Sources & evidence

ORD record
ord-f537d45cf2134ee79976df2e323be11e
Source dataset
uspto-grants-2015_11
Patent number
US09181214B2

Reaction notes

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