Triphenylphosphine → 3-[2-Methyl-2-[4-(4-fluorobenzoyl)piperidin-1-yl]ethyl]-6,7,8,9-tetrahydro-2H-pyrido[1,2-a]-1,3,5-triazine-2,4(3H)-dione
Reaction equation
[N:1]1[C:6](=[O:7])[NH:5][C:4](=[O:8])[N:3]2[CH2:9][CH2:10][CH2:11][CH2:12][C:2]=12.[F:13][C:14]1[CH:36]=[CH:35][C:17]([C:18]([CH:20]2[CH2:25][CH2:24][N:23]([CH:26]([C:29]3C=CC=CC=3)[CH2:27]O)[CH2:22][CH2:21]2)=[O:19])=[CH:16][CH:15]=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.N(C(OCC)=O)=NC(OCC)=O>>[CH3:29][CH:26]([N:23]1[CH2:24][CH2:25][CH:20]([C:18](=[O:19])[C:17]2[CH:35]=[CH:36][C:14]([F:13])=[CH:15][CH:16]=2)[CH2:21][CH2:22]1)[CH2:27][N:5]1[C:4](=[O:8])[N:3]2[CH2:9][CH2:10][CH2:11][CH2:12][C:2]2=[N:1][C:6]1=[O:7]Participants
5
Reactant 4
Product 1
Procedure
In the manner described in Example 1-2), 6,7,8,9-tetrahydro-2H-pyrido[1,2-a]-1,3,5-triazine-2,4(3H)-dione obtained in Example 1-1) and 4-(4-fluorobenzoyl)-1-(1-phenyl-2-hydroxyethyl)piperidine were condensed in N,N-dimmethylformamide in the presence of triphenylphosphine and diethyl azodicarboxylate to obtain the entitled compound as colorless crystals.
Sources & evidence
- ORD record
- ord-3d39c3ddcac2427baaa8d4ab84fde1eb
- Source dataset
- uspto-grants-1993_08
- Patent number
- US05232924
Reaction notes
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