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inquiry3-(5,6-Dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)-pyrrolidine-2,5-dione CAS:905854-02-6 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trad
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inquiryHello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai
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inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
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inquiryHigh Quality Best price Fast Delivery Good Service Welcome to Henan Tianfu Chemical Co., Ltd. website. Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; developm
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inquiryA
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Purification / work up; Resolution of racemate; | |
With Chiralpak AZ column In methanol; dichloromethane; acetonitrile Resolution of racemate; Multicolumn chromatography; | A n/a B n/a |
With CHIRALPAK AD column In methanol; carbon dioxide liquid CO2; |
5,6-dihydro-4H-pyrrolo-[3,2,1-ij]quinoline
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: tert-butyl methyl ether / 2.17 h / 15 - 32 °C / Industry scale 1.2: 2 h / Industry scale 2.1: potassium tert-butylate / tetrahydrofuran / 3 h / 20 - 32 °C / Industry scale 2.2: 0.5 h / 40 - 50 °C / Industry scale 2.3: 40 °C / pH 8 - 9 / Industry scale 3.1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 4.1: hydrogenchloride / water; Isopropyl acetate / Industry scale 5.1: Chiralpak AZ column / dichloromethane; acetonitrile; methanol / Resolution of racemate; Multicolumn chromatography View Scheme | |
Multi-step reaction with 6 steps 1.1: tert-butyl methyl ether / 2.17 h / 15 - 32 °C / Industry scale 1.2: 2 h / Industry scale 2.1: potassium tert-butylate / tetrahydrofuran / 3 h / 20 - 32 °C / Industry scale 2.2: 0.5 h / 40 - 50 °C / Industry scale 2.3: 40 °C / pH 8 - 9 / Industry scale 3.1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 4.1: hydrogenchloride / water; Isopropyl acetate / Industry scale 5.1: acetonitrile / 50 °C 6.1: hydrogenchloride / 3-methyltetrahydrofuran; water / 50 °C / pH 1.6 View Scheme | |
Multi-step reaction with 5 steps 1.1: tert-butyl methyl ether / 0.1 h / 20 - 32 °C / Inert atmosphere 1.2: 0.1 h / 25 °C / Inert atmosphere 2.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 20 - 32 °C / Inert atmosphere 2.2: 0.1 h / 0.4 - 0.5 °C 2.3: 0.01 h / 20 - 32 °C 3.1: potassium tert-butylate; 10 wt% Pd(OH)2 on carbon; hydrogen / tetrahydrofuran / 12 h / 0.45 - 0.5 °C / 3360.34 Torr 4.1: water; methanol / 3 h / 0.55 - 20 °C / Inert atmosphere 5.1: hydrogenchloride / methanol / 0.45 - 0.55 °C View Scheme |
(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)oxoacetic acid methyl ester
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: potassium tert-butylate / tetrahydrofuran / 3 h / 20 - 32 °C / Industry scale 1.2: 0.5 h / 40 - 50 °C / Industry scale 1.3: 40 °C / pH 8 - 9 / Industry scale 2.1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 3.1: hydrogenchloride / water; Isopropyl acetate / Industry scale 4.1: Chiralpak AZ column / dichloromethane; acetonitrile; methanol / Resolution of racemate; Multicolumn chromatography View Scheme | |
Multi-step reaction with 5 steps 1.1: potassium tert-butylate / tetrahydrofuran / 3 h / 20 - 32 °C / Industry scale 1.2: 0.5 h / 40 - 50 °C / Industry scale 1.3: 40 °C / pH 8 - 9 / Industry scale 2.1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 3.1: hydrogenchloride / water; Isopropyl acetate / Industry scale 4.1: acetonitrile / 50 °C 5.1: hydrogenchloride / 3-methyltetrahydrofuran; water / 50 °C / pH 1.6 View Scheme | |
Multi-step reaction with 4 steps 1.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 20 - 32 °C / Inert atmosphere 1.2: 0.1 h / 0.4 - 0.5 °C 1.3: 0.01 h / 20 - 32 °C 2.1: potassium tert-butylate; 10 wt% Pd(OH)2 on carbon; hydrogen / tetrahydrofuran / 12 h / 0.45 - 0.5 °C / 3360.34 Torr 3.1: water; methanol / 3 h / 0.55 - 20 °C / Inert atmosphere 4.1: hydrogenchloride / methanol / 0.45 - 0.55 °C View Scheme |
3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)-1H-pyrrole-2,5-dion
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 2: hydrogenchloride / water; Isopropyl acetate / Industry scale 3: Chiralpak AZ column / dichloromethane; acetonitrile; methanol / Resolution of racemate; Multicolumn chromatography View Scheme | |
Multi-step reaction with 4 steps 1: hydrogen; potassium tert-butylate / 20 % Pd(OH)2/C / tetrahydrofuran / 45 - 55 °C / 3361.55 - 4137.29 Torr / Industry scale 2: hydrogenchloride / water; Isopropyl acetate / Industry scale 3: acetonitrile / 50 °C 4: hydrogenchloride / 3-methyltetrahydrofuran; water / 50 °C / pH 1.6 View Scheme | |
Multi-step reaction with 3 steps 1: potassium tert-butylate; 10 wt% Pd(OH)2 on carbon; hydrogen / tetrahydrofuran / 12 h / 0.45 - 0.5 °C / 3360.34 Torr 2: water; methanol / 3 h / 0.55 - 20 °C / Inert atmosphere 3: hydrogenchloride / methanol / 0.45 - 0.55 °C View Scheme |
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1.1: sodium hydroxide / ethanol / 13 h / 65 °C / Industry scale 1.2: 60 °C 2.1: acetonitrile / 50 °C 3.1: hydrogenchloride / 3-methyltetrahydrofuran; water / 50 °C / pH 1.6 View Scheme |
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: hydrogenchloride / water; Isopropyl acetate / Industry scale 2: Chiralpak AZ column / dichloromethane; acetonitrile; methanol / Resolution of racemate; Multicolumn chromatography View Scheme | |
Multi-step reaction with 3 steps 1: hydrogenchloride / water; Isopropyl acetate / Industry scale 2: acetonitrile / 50 °C 3: hydrogenchloride / 3-methyltetrahydrofuran; water / 50 °C / pH 1.6 View Scheme |
(3R,4R)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione pseudoephedrine complex
Tivantinib
Conditions | Yield |
---|---|
With hydrogenchloride In 3-methyltetrahydrofuran; water at 50℃; pH=1.6; Product distribution / selectivity; | |
With hydrogenchloride In methanol at 0.45 - 0.55℃; |
1,2,3,4-tetrahydroisoquinoline
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: tetrahydrofuran / 24.5 h / 20 °C 2.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 3.1: sodium hydroxide; water / ethanol / 2 h / Reflux 4.1: copper chromite / quinoline / 2 h / 185 °C 5.1: diethyl ether / 0 °C 5.2: -78 - 20 °C 6.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 7.1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 8.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 8 steps 1.1: tetrahydrofuran / 24.5 h / 20 °C 2.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 3.1: sodium hydroxide; water / ethanol / 2 h / Reflux 4.1: copper chromite / quinoline / 2 h / 185 °C 5.1: diethyl ether / 0 °C 5.2: -78 - 20 °C 6.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 7.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 8.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 9 steps 1.1: tetrahydrofuran / 24.5 h / 20 °C 2.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 3.1: sodium hydroxide; water / ethanol / 2 h / Reflux 4.1: copper chromite / quinoline / 2 h / 185 °C 5.1: diethyl ether / 0 °C 5.2: -78 - 20 °C 6.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 7.1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 8.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 9.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 9 steps 1.1: tetrahydrofuran / 24.5 h / 20 °C 2.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 3.1: sodium hydroxide; water / ethanol / 2 h / Reflux 4.1: copper chromite / quinoline / 2 h / 185 °C 5.1: diethyl ether / 0 °C 5.2: -78 - 20 °C 6.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 7.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 8.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 9.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
3-(3,4-dihydro-2H-quinolin-1-yl)-2-oxopropionic acid ethyl ester
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 2.1: sodium hydroxide; water / ethanol / 2 h / Reflux 3.1: copper chromite / quinoline / 2 h / 185 °C 4.1: diethyl ether / 0 °C 4.2: -78 - 20 °C 5.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 6.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 7.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 7 steps 1.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 2.1: sodium hydroxide; water / ethanol / 2 h / Reflux 3.1: copper chromite / quinoline / 2 h / 185 °C 4.1: diethyl ether / 0 °C 4.2: -78 - 20 °C 5.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 6.1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 7.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 8 steps 1.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 2.1: sodium hydroxide; water / ethanol / 2 h / Reflux 3.1: copper chromite / quinoline / 2 h / 185 °C 4.1: diethyl ether / 0 °C 4.2: -78 - 20 °C 5.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 6.1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 7.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 8.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 8 steps 1.1: magnesium chloride / 2-methoxy-ethanol / 6 h / 125 °C / Reflux 2.1: sodium hydroxide; water / ethanol / 2 h / Reflux 3.1: copper chromite / quinoline / 2 h / 185 °C 4.1: diethyl ether / 0 °C 4.2: -78 - 20 °C 5.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 6.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 7.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 8.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
5,6-dihydro-4H-pyrrolo [3,2,1-ij]quinoline-1-carboxylic acid ethyl ester
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: sodium hydroxide; water / ethanol / 2 h / Reflux 2.1: copper chromite / quinoline / 2 h / 185 °C 3.1: diethyl ether / 0 °C 3.2: -78 - 20 °C 4.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 5.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 6.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 6 steps 1.1: sodium hydroxide; water / ethanol / 2 h / Reflux 2.1: copper chromite / quinoline / 2 h / 185 °C 3.1: diethyl ether / 0 °C 3.2: -78 - 20 °C 4.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 5.1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 6.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 7 steps 1.1: sodium hydroxide; water / ethanol / 2 h / Reflux 2.1: copper chromite / quinoline / 2 h / 185 °C 3.1: diethyl ether / 0 °C 3.2: -78 - 20 °C 4.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 5.1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 6.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 7.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 7 steps 1.1: sodium hydroxide; water / ethanol / 2 h / Reflux 2.1: copper chromite / quinoline / 2 h / 185 °C 3.1: diethyl ether / 0 °C 3.2: -78 - 20 °C 4.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 5.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 6.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 7.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: tetrakis(triphenylphosphine) palladium(0); 9-bora-bicyclo[3.3.1]nonane 2: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-1-carboxylic acid
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: copper chromite / quinoline / 2 h / 185 °C 2.1: diethyl ether / 0 °C 2.2: -78 - 20 °C 3.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 4.1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 5.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 5 steps 1.1: copper chromite / quinoline / 2 h / 185 °C 2.1: diethyl ether / 0 °C 2.2: -78 - 20 °C 3.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 4.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 5.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 6 steps 1.1: copper chromite / quinoline / 2 h / 185 °C 2.1: diethyl ether / 0 °C 2.2: -78 - 20 °C 3.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 4.1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 5.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 6.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 6 steps 1.1: copper chromite / quinoline / 2 h / 185 °C 2.1: diethyl ether / 0 °C 2.2: -78 - 20 °C 3.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 4.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 5.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 6.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
5,6-dihydro-4H-pyrrolo-[3,2,1-ij]quinoline
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: diethyl ether / 0 °C 1.2: -78 - 20 °C 2.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 3.1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 4.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 4 steps 1.1: diethyl ether / 0 °C 1.2: -78 - 20 °C 2.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 3.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 4.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 5 steps 1.1: diethyl ether / 0 °C 1.2: -78 - 20 °C 2.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 3.1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 4.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 5.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 5 steps 1.1: diethyl ether / 0 °C 1.2: -78 - 20 °C 2.1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 3.1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 4.1: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 5.1: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)oxoacetic acid methyl ester
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 2: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 3: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 3 steps 1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 2: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 3: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 4 steps 1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 2: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 3: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 4: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 4 steps 1: potassium tert-butylate / tetrahydrofuran / 2.5 h / 0 °C 2: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 3: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 4: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)-1H-pyrrole-2,5-dion
A
(+)-3(S),4(S)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-j]quinolin-1-yl)-4-(1H-indol-3-yl)pyrrolidine-2,5-dione
B
Tivantinib
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: magnesium; methanol / 0.67 h / Inert atmosphere; Reflux 2: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 2 steps 1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 2: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 3 steps 1: zinc; mercury dichloride; hydrogenchloride / ethanol / Reflux 2: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 3: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme | |
Multi-step reaction with 3 steps 1: palladium 10% on activated carbon; hydrogen / methanol / 48 h / 20 °C / 760.05 Torr 2: potassium tert-butylate / tert-butyl alcohol / 16 h / 50 °C 3: CHIRALPAK® AD column / methanol; carbon dioxide / liquid CO2 View Scheme |
Tivantinib
A
(3R,4R)-3-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-4-(1H-indol-3-yl)-5-thioxo-pyrrolidin-2-one
B
(3R,4R)-4-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-3-(1H-indol-3-yl)-5-thioxo-pyrrolidin-2-one
Conditions | Yield |
---|---|
With Lawessons reagent In tetrahydrofuran for 17h; Heating / reflux; |
Tivantinib
1-[(3R,4R)-4-(1H-indol-3-yl)-pyrrolidin-3-yl]-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinoline
Conditions | Yield |
---|---|
Stage #1: Tivantinib With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 60℃; Stage #2: With hydrogenchloride; water In tetrahydrofuran at 0℃; pH=< 2; Stage #3: With 2-chloro-1-(5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1-yl)-ethanone; water In tetrahydrofuran pH=> 9; |
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