2,3-Dihydroxybutanedioic Acid → 1-Acetyl-4-methylpiperazine
Reaktionsgleichung
[CH3:1][N:2]1[CH2:7][CH2:6][NH:5][CH2:4][CH2:3]1.[C:8](O)(=O)[CH:9](C(C(O)=O)O)[OH:10]>>[CH3:1][N:2]1[CH2:7][CH2:6][N:5]([C:9](=[O:10])[CH3:8])[CH2:4][CH2:3]1Komponenten
3
Versuchsvorschrift
2-(2,3-Dihydro-2-oxo-3-phenyl-5-benzofuranyl)-1-(4-methylpiperazinyl-1-oxoethane was prepared according to the process described in Example 3, but using 4-methylpiperazine in Stage C. The latter compound was dissolved in a solution of DL-tartaric acid to form the corresponding salt, and then recrystallized in ethyl ether.
Aufarbeitung
- customto form the corresponding salt
- customrecrystallized in ethyl ether
Quellen und Nachweise
- ORD-Eintrag
- ord-09e7a41ec6654d729fc289e12b298cdb
- Quelldatensatz
- uspto-grants-1989_12
- Patentnummer
- US04886799
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