Sodium Bicarbonate → [10-(4-Chlorophenyl)-8-(2,2-difluoroethyl)-11-oxa-3,8-diazaspiro[5.5]undecan-3-yl]-(4-isopropoxy-3-methyl-phenyl)methanone

HRID 73016

Reaction equation

FC(F)(F)S(O[CH2:7][CH:8]([F:10])[F:9])(=O)=O.[Cl:13][C:14]1[CH:19]=[CH:18][C:17]([CH:20]2[O:43][C:24]3([CH2:29][CH2:28][N:27]([C:30]([C:32]4[CH:37]=[CH:36][C:35]([O:38][CH:39]([CH3:41])[CH3:40])=[C:34]([CH3:42])[CH:33]=4)=[O:31])[CH2:26][CH2:25]3)[CH2:23][NH:22][CH2:21]2)=[CH:16][CH:15]=1.C([O-])(O)=O.[Na+]>C(O)C>[Cl:13][C:14]1[CH:19]=[CH:18][C:17]([CH:20]2[O:43][C:24]3([CH2:25][CH2:26][N:27]([C:30]([C:32]4[CH:37]=[CH:36][C:35]([O:38][CH:39]([CH3:40])[CH3:41])=[C:34]([CH3:42])[CH:33]=4)=[O:31])[CH2:28][CH2:29]3)[CH2:23][N:22]([CH2:7][CH:8]([F:10])[F:9])[CH2:21]2)=[CH:16][CH:15]=1

Participants

Conditions

Temperature: 70 °C

Procedure

2,2-difluoroethyl trifluoromethanesulfonate (17 mg, 0.08 mmol) was added to a solution of [10-(4-chlorophenyl)-11-oxa-3,8-diazaspiro[5.5]undecan-3-yl]-(4-isopropoxy-3-methyl-phenyl)methanone (22 mg, 0.05 mmol) and NaHCO3 (13 mg, 0.15 mmol) in anhydrous ethanol (0.3 mL) at room temperature. The reaction mixture was purged with argon, sealed with a cap and heated at 70° C. for 40 minutes. The reaction mixture was cooled to room temperature, diluted with MeOH to 1 mL, microfiltered and purified by Waters mass directed LC/MS: (10-99% ACN/H2O (5 mM HCl)) to yield [10-(4-chlorophenyl)-8-(2,2-difluoroethyl)-11-oxa-3,8-diazaspiro[5.5]undecan-3-yl]-(4-isopropoxy-3-methyl-phenyl)methanone (27 mg, 100%). ESI-MS m/z calc. 506.21478. Found 507.2 (M+1)+; Retention time: 2.17 minutes (3 min run).

Workup

customThe reaction mixture was purged with argon
customsealed with
customa cap
temperatureThe reaction mixture was cooled to room temperature
additiondiluted with MeOH to 1 mL
custommicrofiltered and purified by Waters mass

Sources & evidence

ORD record: ord-13e8da07d543418abb593c868fbb31a8
Source dataset: uspto-grants-2014_09
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US08828996B2

Linked notes

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