Isobutyryl chloride → HCID 57965016, compound
Reaction equation
FC(F)(F)C(O)=O.[CH3:8][S:9]([C:12]1[CH:33]=[CH:32][C:15]([O:16][C:17]2[N:22]=[CH:21][N:20]=[C:19]3[N:23]([CH:26]4[CH2:31][CH2:30][NH:29][CH2:28][CH2:27]4)[N:24]=[CH:25][C:18]=23)=[CH:14][CH:13]=1)(=[O:11])=[O:10].[C:34](Cl)(=[O:38])[CH:35]([CH3:37])[CH3:36]>>[CH3:8][S:9]([C:12]1[CH:13]=[CH:14][C:15]([O:16][C:17]2[N:22]=[CH:21][N:20]=[C:19]3[N:23]([CH:26]4[CH2:27][CH2:28][N:29]([C:34](=[O:38])[CH:35]([CH3:37])[CH3:36])[CH2:30][CH2:31]4)[N:24]=[CH:25][C:18]=23)=[CH:32][CH:33]=1)(=[O:11])=[O:10]Participants
3
Procedure
1-{4-[4-(4-Methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-2-methyl-propan-1-one was prepared according to General Procedure I by the reaction of 4-(4-methanesulfonyl-phenoxy)-1-piperidin-4-yl-1H-pyrazolo[3,4-d]pyrimidine trifluoroacetate salt (Intermediate 27) with isobutyryl chloride (available from Aldrich Chemical Company, Inc., Milwaukee, Wis., USA). 1H NMR (400 MHz, DMSO-d6) δ 1.05 (d, 6H, J=6.9 Hz), 1.95-2.06 (m, 4H), 2.80-2.86 (m, 1H), 2.92-2.99 (m, 1H), 3.30 (methyl sulfonyl and water peak), 4.10-4.14 (m, 1H), 4.54-4.57 (m, 1H), 5.08-5.12 (m, 1H), 7.63-7.65 (m, 2H), 8.05-8.07 (m, 2H), 8.38 (s, 1H), 8.57 (s, 1H). Mass spectrum MH+=444.
Sources & evidence
- ORD record
- ord-abebff1bc8de4e9db453abafbbe42b64
- Source dataset
- uspto-grants-2012_05
- Patent number
- US08188098B2
Reaction notes
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