Triphenylphosphine → HCID 86629375, compound
Reaction equation
N(C(OC(C)C)=O)=NC(OC(C)C)=O.[Cl:15][C:16]1[N:21]=[C:20]2[NH:22][N:23]=[CH:24][C:19]2=[C:18]([N:25]2[CH2:31][CH:30]3[O:32][CH:27]([CH2:28][CH2:29]3)[CH2:26]2)[N:17]=1.[O:33]1[C:37]2([CH2:42][CH2:41][CH:40](O)[CH2:39][CH2:38]2)[CH2:36][CH2:35][CH2:34]1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>O1CCCC1>[Cl:15][C:16]1[N:21]=[C:20]2[N:22]([CH:40]3[CH2:41][CH2:42][C:37]4([O:33][CH2:34][CH2:35][CH2:36]4)[CH2:38][CH2:39]3)[N:23]=[CH:24][C:19]2=[C:18]([N:25]2[CH2:31][CH:30]3[O:32][CH:27]([CH2:28][CH2:29]3)[CH2:26]2)[N:17]=1Participants
Reactant 4
Product 1
Reagents, catalysts & solvents 1
Procedure
Diisopropyl azodicarboxylate (2.6 mL, 13 mmol) was added in drops to a mixture of 3-(6-chloro-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-8-oxa-3-azabicyclo[3.2.1]octane (2.6 g, 10 mmol), 1-oxaspiro[4.5]decan-8-ol (U.S. Pat. No. 4,438,130, Mar. 20, 1984, 1.6 g, 11 mmol), and triphenylphosphine (2.9 g, 11 mmol) in tetrahydrofuran (80 mL). After stirring at room temperature, the mixture was purified by reverse phase high performance liquid chromatography on a Phenomenex Prodigy 21 mm×250 mm column, running a gradient elution of 15% acetonitrile/85% of 0.1% aqueous trifluoroacetic acid to 100% acetonitrile to provide two separable diastereomers of 3-(6-chloro-1-(1-oxaspiro[4.5]decan-8-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-8-oxa-3-azabicyclo[3.2.1]octane. MS (ES+): 404.2 (M+H)+
Workup
- customthe mixture was purified by reverse phase high performance liquid chromatography on a Phenomenex Prodigy 21 mm×250 mm column
- washa gradient elution of 15% acetonitrile/85% of 0.1% aqueous trifluoroacetic acid to 100% acetonitrile
Sources & evidence
- ORD record
- ord-c9ca63c87df7402a9465c129f8c84e12
- Source dataset
- uspto-grants-2012_03
- Patent number
- US08129371B2
Reaction notes
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