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2,5-di(4-chloro-anilino)terephthalic acid
2,9-dichloroquinacridone
Conditions | Yield |
---|---|
With polyphosphoric acid PPA at 125℃; for 6h; Dieckmann Condensation; Reflux; | 99.53% |
2,9-dichloroquinacridone
dimethyl 5-chloromethyl-1,3-benzenedicarboxylate
QAD-3
Conditions | Yield |
---|---|
Stage #1: 2,9-dichloroquinacridone With potassium tert-butylate In dimethyl sulfoxide at 110℃; for 1h; Stage #2: dimethyl 5-chloromethyl-1,3-benzenedicarboxylate In dimethyl sulfoxide at 40℃; for 4h; | 100% |
Conditions | Yield |
---|---|
Stage #1: 2,9-dichloroquinacridone With N,N-dimethyl-formamide; trichlorophosphate In 1,2-dichloro-ethane at 60℃; for 2h; Stage #2: malononitrile With 2,4,6-trimethyl-pyridine In 1,2-dichloro-ethane at 20℃; for 48h; | 58% |
formaldehyd
sodium 1-naphthalenesulfonate
2-naphthalenesulfonic acid sodium salt
2,9-dichloroquinacridone
Conditions | Yield |
---|---|
Stage #1: 2,9-dichloroquinacridone With sulfuric acid at 48 - 52℃; for 0.333333h; Stage #2: sodium 1-naphthalenesulfonate; 2-naphthalenesulfonic acid sodium salt In water at 40 - 45℃; for 0.5h; Stage #3: formaldehyd In water at 58 - 60℃; for 1h; |
Conditions | Yield |
---|---|
With tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate at 86℃; for 7h; Concentration; Temperature; Inert atmosphere; |
Conditions | Yield |
---|---|
With tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate at 86℃; for 7h; Concentration; Temperature; Inert atmosphere; |
2,9-dichloroquinacridone
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate / 7 h / 85 °C / Inert atmosphere 2: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene; water / 24 h / Reflux; Inert atmosphere View Scheme |
2,9-dichloroquinacridone
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate / 7 h / 85 °C / Inert atmosphere 2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene; water / 24 h / Reflux; Inert atmosphere 3.1: n-butyllithium / tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 3.2: 9 h / -78 - 20 °C / Inert atmosphere View Scheme |
2,9-dichloroquinacridone
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate / 7 h / 85 °C / Inert atmosphere 2.1: sodium carbonate; tetrakis(triphenylphosphine) palladium(0) / toluene; water / 24 h / Reflux; Inert atmosphere 3.1: n-butyllithium / tetrahydrofuran / 2 h / -78 °C / Inert atmosphere 3.2: 9 h / -78 - 20 °C / Inert atmosphere 4.1: sulfuric acid / 9 h / 20 °C View Scheme |
Conditions | Yield |
---|---|
With tri-tert-butyl phosphine; potassium tert-butylate; palladium diacetate at 85℃; for 7h; Inert atmosphere; |
Conditions | Yield |
---|---|
With N,N,N,N,N,N-hexamethylphosphoric triamide; tetrabutylammomium bromide; sodium hydride In mineral oil; benzene at 20 - 50℃; for 105h; | 0.32 g |
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