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The invention provides a preparation met...
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Process for the preparation of aromatic ...
bis<4-(2-bromisobutyryl)phenyl> ether
2-hydroxy-1-{4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl}-2-methyl-propan-1-one
| Conditions | Yield |
|---|---|
|
bis<4-(2-bromisobutyryl)phenyl> ether; With sodium disulfite; In water; at 85 ℃; for 0.166667h;
With sodium hydroxide; In water; isopropyl alcohol; for 0.25h; Product distribution / selectivity; Reflux;
|
90% |
|
bis<4-(2-bromisobutyryl)phenyl> ether; With sodium disulfite; In water; at 85 ℃; for 0.166667h;
With sodium hydroxide; In water; isopropyl alcohol; for 0.25h; Reflux;
With hydrogenchloride; In water; isopropyl alcohol; pH=3;
|
90% |
|
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; In dichloromethane; water; for 2h; Product distribution / selectivity; Heating / reflux;
|
|
|
bis<4-(2-bromisobutyryl)phenyl> ether; With sodium hydroxide; In water; isopropyl alcohol; at 20 ℃; for 1h;
With hydrogenchloride; In water; isopropyl alcohol; pH=2 - 3; Product distribution / selectivity;
|
2-chloro-1-{4-[4-(2-chloro-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one
2-hydroxy-1-{4-[4-(2-hydroxy-2-methylpropionyl)phenoxy]phenyl}-2-methyl-propan-1-one
| Conditions | Yield |
|---|---|
|
With sodium hydroxide; In water; isopropyl alcohol; at 80 ℃; for 0.25h; Product distribution / selectivity;
|
68% |
|
2-chloro-1-{4-[4-(2-chloro-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one; With sodium hydroxide; In water; isopropyl alcohol; at 80 ℃; for 0.25h;
With hydrogenchloride; In water; isopropyl alcohol; pH=3;
|
68% |
|
With sodium hydroxide; In cyclohexane; Temperature; Reflux;
|
48.7 g |
bis<4-(2-bromisobutyryl)phenyl> ether
2-chloro-1-{4-[4-(2-chloro-2-methyl-propionyl)-phenoxy]-phenyl}-2-methyl-propan-1-one
diphenylether
1,1'-oxybis(4-methyl-benzene)
bis<4-(2-bromisobutyryl)phenyl> ether
C38H50O13
CAS：86428-83-3
CAS：66104-23-2
CAS：947-19-3
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