Cyclobutanecarbonyl chloride → HCID 57964902, 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].[CH:34]1([C:38](Cl)=[O:39])[CH2:37][CH2:36][CH2:35]1>>[CH:34]1([C:38]([N:29]2[CH2:28][CH2:27][CH:26]([N:23]3[C:19]4=[N:20][CH:21]=[N:22][C:17]([O:16][C:15]5[CH:14]=[CH:13][C:12]([S:9]([CH3:8])(=[O:11])=[O:10])=[CH:33][CH:32]=5)=[C:18]4[CH:25]=[N:24]3)[CH2:31][CH2:30]2)=[O:39])[CH2:37][CH2:36][CH2:35]1Participants
3
Procedure
Cyclobutyl-{4-[4-(4-methanesulfonyl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidin-1-yl}-methanone 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 cyclobutanecarbonyl chloride (available from Aldrich Chemical Company, Inc., Milwaukee, Wis., USA). 1H NMR (400 MHz, DMSO-d6) δ 1.74-2.21 (m, 10H), 2.82-2.87 (m, 1H), 3.30 (methyl sulfonyl and water peak), 3.84-3.87 (m, 1H), 4.49-4.52 (m, 1H), 5.06-5.08 (m, 1H), 7.62-7.65 (m, 2H), 8.05-8.07 (m, 2H), 8.38 (s, 1H), 8.57 (s, 1H). Mass spectrum MH+=456, M+Na=478.
Sources & evidence
- ORD record
- ord-1dc23a7e1054480da5b816713f471632
- Source dataset
- uspto-grants-2012_05
- Patent number
- US08188098B2
Reaction notes
Loading…