Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
PCT No. PCT/EP95/00370 Sec. 371 Date Aug...
In the absence of a donor ligand both th...
desmethoxyencecalin
(3R,4R)-6-acetyl-2,2-dimethyl-3,4-epoxy-2H-1-benzopyran
| Conditions | Yield |
|---|---|
|
With sodium hydroxide; sodium hypochlorite; sodium dihydrogenphosphate; (R)-1-phenyl-1,2-bis(3,5-di-tert-butyl-salicylideamino)ethane-manganese (III) chloride; In dichloromethane; water; at 20 ℃; pH=11.3;
|
92% |
|
With pyridine N-oxide; sodium hydroxide; sodium hypochlorite; sodium dihydrogenphosphate; (R,R)-[1,2-bis(3,5-di-tert-butylsalicylideamino)cyclohexane]manganese (III) chloride; In dichloromethane; water; for 1h; pH=11;
|
60% |
|
With pyridine N-oxide; sodium hydroxide; sodium hypochlorite; sodium dihydrogenphosphate; (3S,4S)-bis-(3,5-di-tert-butylsalicylideamino)tetrahydrofuran-manganese (III) chloride; In dichloromethane; water; at 20 ℃; for 2h; pH=13;
|
44% |
desmethoxyencecalin
(3R,4R)-6-acetyl-2,2-dimethyl-3,4-epoxy-2H-1-benzopyran
(3S,4S)-6-acetyl-2,2-dimethyl-3,4-epoxy-2H-1-benzopyran
| Conditions | Yield |
|---|---|
|
With sodium hypochlorite; isoquinoline N-oxide; (S,S)-manganese(III) salen; for 1.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; Ambient temperature;
|
desmethoxyencecalin
(3R,4S)-6-Acetyl-4-(4-fluorobenzamido)-3,4-dihydro-2,2-dimethyl-3-hydroxy-2H-1-benzopyran
trans-6-Acetyl-4-amino-3,4-dihydro-3-hydroxy-2,2-dimethyl-2H-1-benzopyran
