Antioxidant BHT 264
CAS:128-37-0
Purity:99%
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Product Details
The invention provides a novel synthetic...
The present invention relates to a novel...
The present invention relates to a novel...
(?)-Finerenone is a nonsteroidal mineral...
finerenone (+)O,O-dibenzoyl-D-tartaric acid
BAY948862
| Conditions | Yield |
|---|---|
|
With
sodium phosphate;
In
ethanol; water; toluene;
at 23 - 50 ℃;
for 6h;
pH=4 - 7.5;
Temperature;
pH-value;
|
97.07% |
rac-4-(4-cyano-2-methoxyphenyl)-5-ethoxy-2,8-dimethyl-1,6-naphthyridine-3-carboxamide
BAY948862
| Conditions | Yield |
|---|---|
|
With
(R)-3,3'-bis(9-anthracenyl)-1,1'-binaphthyl-2,2'-diyl hydrogenphosphate; diethyl 2,6-dimethyl-1,4-dihydropyridine-3,5-dicarboxylate;
In
tetrahydrofuran;
at 40 - 100 ℃;
for 24h;
enantioselective reaction;
Inert atmosphere;
|
82% |
|
Multi-step reaction with 2 steps
1: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 4.5 h / Electrochemical reaction
2: Chiralpak AS-V, 20 μm. / methanol; acetonitrile / 22502.3 Torr / Resolution of racemate; Large scale
With
N,N,N,N-tetraethylammonium tetrafluoroborate;
In
methanol; acetonitrile;
|
|
|
Multi-step reaction with 4 steps
1: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 4.5 h / Electrochemical reaction
2: Chiralpak AS-V, 20 μm. / methanol; acetonitrile / 22502.3 Torr / Resolution of racemate; Large scale
3: nitric acid / acetonitrile / 9.5 h / 9 - 20 °C / Inert atmosphere
4: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 5 h / Electrochemical reaction
With
nitric acid; N,N,N,N-tetraethylammonium tetrafluoroborate;
In
methanol; acetonitrile;
|
|
|
Multi-step reaction with 4 steps
1: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 4.5 h / Electrochemical reaction
2: Chiralpak AS-V, 20 μm. / methanol; acetonitrile / 22502.3 Torr / Resolution of racemate; Large scale
3: nitric acid / acetonitrile / 9.5 h / 9 - 20 °C / Inert atmosphere
4: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 6 h / Electrochemical reaction
With
nitric acid; N,N,N,N-tetraethylammonium tetrafluoroborate;
In
methanol; acetonitrile;
|
|
|
Multi-step reaction with 4 steps
1: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 4.5 h / Electrochemical reaction
2: Chiralpak AS-V, 20 μm. / methanol; acetonitrile / 22502.3 Torr / Resolution of racemate; Large scale
3: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 1 h / 20 °C
4: N,N,N,N-tetraethylammonium tetrafluoroborate / methanol / 5 h / Electrochemical reaction
With
N,N,N,N-tetraethylammonium tetrafluoroborate; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
methanol; dichloromethane; acetonitrile;
|
3-methoxy-4-hydroxybenzonitrile
3-methoxy-4-O-trifluoromethylsulfonylbenzonitrile
tert-butyl (2E)-3-(4-cyano-2-methoxyphenyl)acrylate
4-formyl-3-methoxy-benzonitrile
