Sodium Hydroxide → 2-Oxo-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine-7-carboxylic acid
Reaktionsgleichung
C[O:2][C:3]([C:5]1[CH:15]=[N:14][C:8]2[S:9][CH2:10][C:11](=[O:13])[NH:12][C:7]=2[CH:6]=1)=[O:4].[OH-].[Na+]>O1CCCC1>[O:13]=[C:11]1[CH2:10][S:9][C:8]2[N:14]=[CH:15][C:5]([C:3]([OH:4])=[O:2])=[CH:6][C:7]=2[NH:12]1Komponenten
4
Versuchsvorschrift
2-Oxo-2,3-dihydro-1H-pyrido[2,3-b][1,4]thiazine-7-carboxylic acid methyl ester (2.8 g) was hydrolyzed with aqueous sodium hydroxide in tetrahydrofuran by the method of Preparation (14a) to afford a solid (2.5 g). MS (−ve ion electrospray) m/e 209 (M−H−).
Quellen und Nachweise
- ORD-Eintrag
- ord-0ed83751c27f4186bd16e382ef7600a2
- Quelldatensatz
- uspto-grants-2009_11
- Patentnummer
- US07618959B2
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