tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen | 97% |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With Trimethylacetic acid In toluene at 105 - 110℃; for 1h; Industrial scale; | 96.5% |
With tetra(n-butyl)ammonium hydrogensulfate; diisopropylamine; Trimethylacetic acid at 78 - 85℃; for 40h; Paal-Knorr Pyrrole Synthesis; | 82.3% |
With Trimethylacetic acid In tetrahydrofuran; n-heptane; toluene Heating; | 75% |
C26H22FNO3
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With 1,8-diazabicyclo[5.4.0]undec-7-ene; Trimethylacetic acid In cyclohexane at 80 - 84℃; for 25h; Concentration; Reagent/catalyst; Paal-Knorr Pyrrole Synthesis; Dean-Stark; Reflux; | 79% |
With Trimethylacetic acid In tetrahydrofuran; hexane; toluene at 110℃; for 30h; Paal-Knorr pyrrole synthesis; Inert atmosphere; |
tert-butyl 2-((4R,6S)-6-(2-iodoethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With 18-crown-6 ether; potassium carbonate In acetonitrile Reflux; | 65% |
1-Bromo-4-fluorobenzene
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With potassium acetate; palladium diacetate at 150℃; for 15h; Heck Reaction; Inert atmosphere; | 44% |
4-methyl-3-oxo-N-phenylpentanamide
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: β-alanine; glacial acetic acid / hexane / Heating 2: 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide; triethylamine / ethanol / Heating 3: pivalic acid / tetrahydrofuran; toluene; heptane / Heating View Scheme | |
Multi-step reaction with 3 steps 1.1: L-proline / Inert atmosphere 2.1: 3,4-dimethyl-5-(2-hydroxyethyl)thiazolium iodide; potassium phosphate / acetonitrile / 16 h / 120 °C / Inert atmosphere; Glovebox; Schlenk technique; Sealed tube 2.2: 4 h / 120 °C / Inert atmosphere; Gas phase; Schlenk technique; Sealed tube 3.1: potassium acetate; palladium diacetate / 15 h / 150 °C / Inert atmosphere View Scheme |
benzaldehyde
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: β-alanine; glacial acetic acid / hexane / Heating 2: 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide; triethylamine / ethanol / Heating 3: pivalic acid / tetrahydrofuran; toluene; heptane / Heating View Scheme |
4-methyl-3-oxo-N-phenyl-2-(phenylmethylene)pentanamide
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide; triethylamine / ethanol / Heating 2: pivalic acid / tetrahydrofuran; toluene; heptane / Heating View Scheme | |
Multi-step reaction with 2 steps 1.1: 3,4-dimethyl-5-(2-hydroxyethyl)thiazolium iodide; potassium phosphate / acetonitrile / 16 h / 120 °C / Inert atmosphere; Glovebox; Schlenk technique; Sealed tube 1.2: 4 h / 120 °C / Inert atmosphere; Gas phase; Schlenk technique; Sealed tube 2.1: potassium acetate; palladium diacetate / 15 h / 150 °C / Inert atmosphere View Scheme | |
Multi-step reaction with 2 steps 1: 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide; triethylamine / Reflux 2: Trimethylacetic acid / toluene; hexane; tetrahydrofuran / Reflux View Scheme |
aniline
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 96 percent / toluene / Heating 2: β-alanine; glacial acetic acid / hexane / Heating 3: 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide; triethylamine / ethanol / Heating 4: pivalic acid / tetrahydrofuran; toluene; heptane / Heating View Scheme |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 96 percent / toluene / Heating 2: β-alanine; glacial acetic acid / hexane / Heating 3: 3-ethyl-5-(2-hydroxyethyl)-4-methylthiazolium bromide; triethylamine / ethanol / Heating 4: pivalic acid / tetrahydrofuran; toluene; heptane / Heating View Scheme |
4-fluorobenzaldehyde
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 2) NEt3 / 1) ethyl thiazolium catalyst / or with methyl thiazolium catalyst; 1) EtOH 2: 75 percent / pivalic acid / toluene; heptane; tetrahydrofuran / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 3-ethyl-5-(2-hydroxyethyl)-4-methyl-1,3-thiazolium bromide; triethylamine / Reflux 2: Trimethylacetic acid / toluene; hexane; tetrahydrofuran / Reflux View Scheme |
2-((4R, 6R)-6-cyanomethyl-2,2-dimethyl-1,3-dioxan-4-yl)acetic acid tert-butyl ester
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 95 percent / H2, ammonia / Molybdenum doped Raney nickel / methanol / 2585.7 Torr 2: 75 percent / pivalic acid / toluene; heptane; tetrahydrofuran / Heating View Scheme | |
Multi-step reaction with 2 steps 1: hydrogen; nickel; ammonia / methanol 2: Acidic conditions View Scheme | |
Multi-step reaction with 2 steps 1: ammonia; hydrogen / methanol / 6 h / 30 - 40 °C / 2250.23 - 3000.3 Torr / Autoclave 2: Trimethylacetic acid / tetrahydrofuran; n-heptane / 60 h / Reflux View Scheme | |
Multi-step reaction with 2 steps 1: hydrogen; ammonia / cyclohexane; water / 30 - 40 °C / 3750.38 Torr / Autoclave 2: Trimethylacetic acid; diisopropylamine; tetra(n-butyl)ammonium hydrogensulfate / 40 h / 78 - 85 °C View Scheme |
1-[2-((4R,6R)-6-tert-butoxycarbonylmethyl-2,2-dimethyl-[1,3]dioxan-4-yl)ethyl]-5-(4-fluorophenyl)-2-isopropyl-4-phenyl-1H-pyrrole-3-carboxylic acid
aniline
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine In DMF (N,N-dimethyl-formamide) at 50 - 60℃; Product distribution / selectivity; |
aniline
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
In benzene at 70℃; Product distribution / selectivity; |
aniline
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In tetrahydrofuran at 55 - 60℃; Product distribution / selectivity; |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With 2-Methylbutanoic acid In n-heptane; toluene for 22h; Product distribution / selectivity; Heating / reflux; | |
With Trimethylacetic acid In n-heptane; toluene for 25h; Heating / reflux; | |
With 2-Methylbutanoic acid In n-heptane; toluene for 48h; Product distribution / selectivity; Heating / reflux; |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
In tetrahydrofuran; n-heptane; oenanthic acid; toluene for 8h; Heating / reflux; |
(4R-cis)-1,1-dimethylethyl-[6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxan-4-yl]acetate
2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide
isopropyl alcohol
A
(4R-cis)-1,1-dimethylethyl 6-[2]2-(-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl ]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate(4R-cis)-1,1-dimethylethyl 6-[2]2-(-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl ]ethyl]-2,2-dimethyl-1,3-dioxane-4-acetate
B
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
In n-heptane; toluene |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide
isopropyl alcohol
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
In n-heptane; toluene |
tert-butyl [(4S,6R)-6-(2-aminoethyl)-2,2-dimethyl-1,3-dioxane-4-yl]acetate
2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide
A
tert-butyl (4S,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
B
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With Trimethylacetic acid In n-heptane; toluene for 19h; Heating; Title compound not separated from byproducts.; |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide
A
((4R,6R)-6-{2-[2-((4R,6R)-6-{2-[2-(4-fluoro-phenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoyl-pyrrol-1-yl]-ethyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetylamino]-ethyl}-2,2-dimethyl-[1,3]dioxan-4-yl)-acetic acid tert-butyl ester
B
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Stage #1: tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate; 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide In toluene at 90 - 100℃; for 1 - 1.5h; Heating / reflux; Stage #2: Trimethylacetic acid In toluene Product distribution / selectivity; Heating / reflux; | |
Stage #1: tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate; 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide In tetrahydrofuran; n-heptane; toluene at 40 - 50℃; for 1 - 1.5h; Heating / reflux; Stage #2: Trimethylacetic acid In tetrahydrofuran; n-heptane; toluene for 35h; Product distribution / selectivity; Heating / reflux; | |
Stage #1: tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate; 2-[2-(4-fluorophenyl)-2-oxo-1-phenylethyl]-4-methyl-3-oxopentanoic acid phenylamide In tetrahydrofuran; toluene at 40 - 50℃; for 1 - 1.5h; Heating / reflux; Stage #2: Trimethylacetic acid In tetrahydrofuran; toluene for 24h; Product distribution / selectivity; Heating / reflux; |
tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Stage #1: +/-(4-fluoro-alpha-(2-methyl-1-oxopropyl)-gama-oxo-N-beta-diphenyl benzenebutaneamine); tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate With Trimethylacetic acid In tetrahydrofuran; n-heptane; toluene for 40 - 50h; Heating / reflux; Stage #2: With sodium hydrogencarbonate In tetrahydrofuran; n-heptane; water; toluene pH=7; Product distribution / selectivity; | |
Stage #1: +/-(4-fluoro-alpha-(2-methyl-1-oxopropyl)-gama-oxo-N-beta-diphenyl benzenebutaneamine); tert-butyl [(4R,6R)-6-aminoethyl-2,2-dimethyl-1,3-dioxan-4-yl]acetate With Trimethylacetic acid In tetrahydrofuran; hexane; toluene for 40 - 50h; Heating / reflux; Stage #2: With sodium hydrogencarbonate In tetrahydrofuran; hexane; water; toluene pH=7; Product distribution / selectivity; |
(R)-N,N-diallyl-5-(benzyloxy)-3-hydroxypentanethioamide
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 11 steps 1.1: 2,6-dimethylpyridine / dichloromethane / 3 h / 0 - 20 °C 2.1: diethyl ether / 4.5 h / 0 - 20 °C 3.1: tetrahydrofuran; diethyl ether / -78 °C 3.2: -78 °C 4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3.5 h / 0 - 20 °C 5.1: sodium tetrahydroborate; diethyl methoxy borane / tetrahydrofuran; methanol / 10 h / -80 °C 6.1: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 7.1: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 8.1: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 9.1: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 10.1: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 11.1: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
(R)-N,N-diallyl-5-(benzyloxy)-3-((tert-butyldimethylsilyl)oxy)pentanethioamide
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 10 steps 1.1: diethyl ether / 4.5 h / 0 - 20 °C 2.1: tetrahydrofuran; diethyl ether / -78 °C 2.2: -78 °C 3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3.5 h / 0 - 20 °C 4.1: sodium tetrahydroborate; diethyl methoxy borane / tetrahydrofuran; methanol / 10 h / -80 °C 5.1: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 6.1: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 7.1: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 8.1: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 9.1: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 10.1: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1.1: tetrahydrofuran; diethyl ether / -78 °C 1.2: -78 °C 2.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3.5 h / 0 - 20 °C 3.1: sodium tetrahydroborate; diethyl methoxy borane / tetrahydrofuran; methanol / 10 h / -80 °C 4.1: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 5.1: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 6.1: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 7.1: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 8.1: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 9.1: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
(R)-tert-butyl 7-(benzyloxy)-5-((tert-butyldimethylsilyl)oxy)-3-oxoheptanoate
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: tetrabutyl ammonium fluoride / tetrahydrofuran / 3.5 h / 0 - 20 °C 2: sodium tetrahydroborate; diethyl methoxy borane / tetrahydrofuran; methanol / 10 h / -80 °C 3: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 4: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 5: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 6: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 7: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 8: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: sodium tetrahydroborate; diethyl methoxy borane / tetrahydrofuran; methanol / 10 h / -80 °C 2: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 3: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 4: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 5: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 6: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 7: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: toluene-4-sulfonic acid / acetone / 4 h / 20 °C 2: 20% palladium hydroxide on carbon; hydrogen / ethyl acetate / 24 h / 60 °C / 760.05 Torr 3: dmap; triethylamine / dichloromethane / 4 h / 0 - 20 °C 4: sodium azide / N,N-dimethyl-formamide / 6 h / 20 °C 5: water; triphenylphosphine / tetrahydrofuran / 2 h / 50 °C 6: Trimethylacetic acid / tetrahydrofuran; hexane; toluene / 30 h / 110 °C / Inert atmosphere View Scheme |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
(3R,5R)-7-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-phenylcarbamoylpyrrol-1-yl]-3,5-dihydroxyheptanoic acid t-butyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; water In acetonitrile for 13h; Product distribution / selectivity; | 98.9% |
With hydrogenchloride In methanol; water at 50 - 55℃; | 98% |
With hydrogenchloride In methanol; water at 0 - 30℃; Industrial scale; | 96.7% |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
lipitor
Conditions | Yield |
---|---|
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; methanol; water at 35℃; for 3h; Stage #2: With calcium hydroxide In methanol; water; toluene at 70℃; for 2h; Stage #3: In methanol; water at 20 - 78℃; for 24.25h; | 96% |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; water In methanol at 15 - 30℃; for 12h; Stage #2: With sodium hydroxide In methanol; water at 25 - 30℃; for 6h; pH=12; Stage #3: With hydrogenchloride; calcium acetate Product distribution / selectivity; more than 3 stages; | 93.94% |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; water In methanol at 15 - 30℃; for 10 - 12h; Stage #2: With sodium hydroxide In methanol; water at 25 - 30℃; for 4 - 6h; pH=~ 12; Stage #3: With hydrogenchloride; calcium acetate Product distribution / selectivity; more than 3 stages; | 86.5% |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
[R-(R*,R*)]-2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid; ammonium salt
Conditions | Yield |
---|---|
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride In methanol; water at 50℃; for 10h; Stage #2: With methanol; sodium hydroxide; water at 20 - 60℃; for 10h; Stage #3: With hydrogenchloride; ammonia Product distribution / selectivity; more than 3 stages; | 95% |
methanol
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
methyl 2-((4R,6R)-6-(2-(2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)-1H-pyrrol-1-yl)ethyl)-2,2-dimethyl-1,3-dioxan-4-yl)acetate
Conditions | Yield |
---|---|
With sodium hydroxide for 7h; Reflux; | 37% |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
atorvastatin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: HCl / tetrahydrofuran; H2O / 20 °C 2: sodium hydroxide / H2O; tetrahydrofuran / 20 °C View Scheme | |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; water In tetrahydrofuran; methanol at 20℃; Stage #2: With sodium hydroxide; water In tetrahydrofuran; methanol at 0 - 20℃; | |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; water In tetrahydrofuran at 25℃; for 8h; Stage #2: With sodium hydroxide; water In tetrahydrofuran for 8h; Stage #3: With phosphoric acid In water; ethyl acetate pH=4.0; Product distribution / selectivity; |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
atorvastatin sodium
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. HCl / methanol 2: aq. NaOH / methanol View Scheme | |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydroxylamine hydrochloride In methanol; water; acetone at 55 - 65℃; Industry scale; Stage #2: With sodium hydroxide In methanol; water at 35 - 45℃; Product distribution / selectivity; | |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; water In tetrahydrofuran at 25℃; for 6.25h; Industry scale; Stage #2: With sodium hydroxide In tetrahydrofuran at 31℃; for 14h; Product distribution / selectivity; Cooling; |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
With hydroxylamine hydrochloride In methanol; water; acetone at 67℃; for 1h; Product distribution / selectivity; Heating / reflux; | |
With hydroxylamine hydrochloride In water; isopropyl alcohol; acetone at 67℃; for 1h; Product distribution / selectivity; Heating / reflux; |
tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate
Conditions | Yield |
---|---|
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride In methanol; water at 20 - 26℃; for 6.25h; Stage #2: With sodium hydroxide In methanol; water at 25 - 30℃; for 6h; pH=~ 12; Stage #3: With hydrogenchloride; magnesium acetate In methanol; water at 20 - 55℃; pH=7.8 - 8; | |
Stage #1: tert-butyl (4R,6R)-6-{2-[2-(4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl}-2,2-dimethyl-1,3-dioxane-4-acetate With hydrogenchloride; methanol; water at 20 - 25℃; for 3.75h; Stage #2: With sodium hydroxide In methanol; water at 20 - 25℃; for 3h; Stage #3: With hydrogenchloride; magnesium acetate more than 3 stages; |
The Molecular Structure of tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate (CAS NO.125971-95-1):
Empirical Formula: C40H47FN2O5
Molecular Weight: 654.81
Appearance: White Solid
Product Categories: (intermediate of atorvastatin);Chiral Reagents;Intermediates;Intermediates & Fine Chemicals;Pharmaceuticals;Asymmetric Synthesis;Chiral Building Blocks;Complex Molecules
Nominal Mass: 654 Da
Average Mass: 654.81 Da
Monoisotopic Mass: 654.346901 Da
Index of Refraction: 1.569
Molar Refractivity: 186.677 cm3
Molar Volume: 569.569 cm3
Surface Tension: 39.163 dyne/cm
Density: 1.15 g/cm3
Flash Point: 363.863 °C
Enthalpy of Vaporization: 99.525 kJ/mol
Boiling Point: 678.035 °C at 760 mmHg
Vapour Pressure: 0 mmHg at 25°C
Melting point: 144-148 °C
tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate (CAS NO.125971-95-1) is used as intermediate of atorvastatin.
WGK Germany: 3
tert-Butyl (4R,6R)-2-[[[6-(2-4-fluorophenyl)-5-isopropyl-3-phenyl-4-(phenylcarbamoyl)pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-dioxan-4-yl]acetate (CAS NO.125971-95-1) is also called as (4R,6R)-6-[2-[2-(4-fluorophenyl)-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrol-1-yl]ethyl]-2,2-dimethyl-1,3-Dioxane-4-acetic acid 1,1-dimethylethyl ester .
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