7-(3-cyclopropyl-2-propyl)-1,2-dihydro9-hydroxy-4-oxo-4H-thieno[2,3-c][1]benzopyran → 7-(3-cyclopropyl-2-propyl)-4,4-di(1-hexyl)-1,2-dihydro-9-hydroxy-4H-thieno[2,3-c][1]benzopyran
Reaktionsgleichung
[CH:1]1([CH2:4][CH:5]([C:7]2[CH:20]=[C:19]([OH:21])[C:10]3[C:11]4[CH2:18][CH2:17][S:16][C:12]=4[C:13](=O)[O:14][C:9]=3[CH:8]=2)[CH3:6])[CH2:3][CH2:2]1.[CH2:22]([Mg]Br)[CH2:23][CH2:24][CH2:25][CH2:26][CH3:27]>>[CH:1]1([CH2:4][CH:5]([C:7]2[CH:20]=[C:19]([OH:21])[C:10]3[C:11]4[CH2:18][CH2:17][S:16][C:12]=4[C:13]([CH2:3][CH2:2][CH2:1][CH2:4][CH2:5][CH3:6])([CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH3:27])[O:14][C:9]=3[CH:8]=2)[CH3:6])[CH2:3][CH2:2]1Komponenten
3
Versuchsvorschrift
By reacting 7-(3-cyclopropyl-2-propyl)-1,2-dihydro-9-hydroxy-4-oxo-4H-thieno[2,3-c] [1]benzopyran with n-hexyl magnesium bromide, using the procedure described above in Example 8, there is obtained 7-(3-cyclopropyl-2-propyl)-4,4-di(1-hexyl)-1,2-dihydro-9-hydroxy-4H-thieno[2,3-c] [1]benzopyran. The benzopyran is then reacted with morpholinoacetic acid and dicyclohexylcarbodiimide according to the method of Example 9 to yield the desired ester.
Quellen und Nachweise
- ORD-Eintrag
- ord-2aa55af7f3004626bfb9d34ec75cf5e7
- Quelldatensatz
- uspto-grants-1976_08
- Patentnummer
- US03972880
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