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inquiryAdvantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the
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inquiryAnsciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali
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inquiryProductnumber:gabapentinintermediates Productname:acrylicacid,2-methyl-1-[[(4-nitrobenzeneoxygenradicals)carbonyl]foxy]ethylester CasNo.…
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inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
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inquiryR & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
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inquiry(1-chloroethyl)-(4-nitrophenyl)carbonate
mercuric dimethyl acetate
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With acetic acid Heating; | 85% |
In dichloromethane at 45℃; for 24h; | 52% |
isobutyric Acid
(1-chloroethyl)-(4-nitrophenyl)carbonate
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: isobutyric Acid With zinc(II) oxide In toluene at 105℃; for 1h; Stage #2: (1-chloroethyl)-(4-nitrophenyl)carbonate; sodium iodide In toluene at 60℃; for 24h; Product distribution / selectivity; | 75% |
With sodium iodide; zinc(II) oxide at 60 - 70℃; for 24h; | 40 mg |
4-nitro-phenol
carbonochloridic acid 1-chloro-ethyl ester
isobutyric Acid
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: 4-nitro-phenol; carbonochloridic acid 1-chloro-ethyl ester With tributyl-amine In toluene at 20℃; Stage #2: isobutyric Acid With zinc(II) oxide; sodium iodide In toluene at 75℃; for 10h; Product distribution / selectivity; | 60% |
4-nitro-phenol
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / TEA / Ambient temperature 2: 85 percent / MeCO2H / Heating View Scheme |
4-nitro-phenol
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1.1: pyridine / dichloromethane / 0.17 h / 0 - 4 °C 1.2: 20 °C 2.1: zinc(II) oxide; sodium iodide / 24 h / 60 - 70 °C View Scheme |
H-Gpn-OH
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
gabapentin enacarbil
Conditions | Yield |
---|---|
With chloro-trimethyl-silane; tributyl-amine In toluene at 20℃; for 24h; Product distribution / selectivity; | 100% |
1,1,1,3',3',3'-hexafluoro-propanol
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In acetonitrile at 0 - 5℃; for 4h; | 88.2% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 100℃; for 24h; Sealed tube; | 85.16% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Stage #1: (R)-(-)-baclofen hydrochloride With chloro-trimethyl-silane; triethylamine In dichloromethane at 0℃; for 0.166667h; Stage #2: 1-{[(4-nitrophenoxy)carbonyl]oxy}ethyl 2-methylpropanoate In dichloromethane at 20℃; for 3h; | 73% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; | 67% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 20℃; for 72h; | 59% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 3h; | 47% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In water; N,N-dimethyl-formamide at 0 - 20℃; | 40% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 0 - 30℃; for 2h; Inert atmosphere; | 30.91% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 0℃; for 2h; Inert atmosphere; | 30.91% |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With sodium hydrogencarbonate In 1,4-dioxane; water at 20℃; for 21h; | 28.1% |
CL191,121
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: 77 percent / K2CO3 / acetonitrile / Ambient temperature View Scheme |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
pregabilin
A
3-{[(α-(R)-isobutanoyloxyethoxy)carbonyl]aminomethyl}-5-(S)-methylhexanoic acid
Conditions | Yield |
---|---|
Stage #1: pregabilin With chloro-trimethyl-silane; triethylamine In dichloromethane at 0℃; for 0.25h; Stage #2: 1-{[(4-nitrophenoxy)carbonyl]oxy}ethyl 2-methylpropanoate In dichloromethane at 20℃; for 1.5h; |
1-{(4-bromophenylalaninyl)aminomethyl}-1-cyclohexane-acetic acid
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
1-{[N-[(α-isobutanoyloxyethoxy)carbonyl]-4-bromophenylalaninyl]-aminomethyl}-1-cyclohexaneacetic acid
Conditions | Yield |
---|---|
Stage #1: 1-{(4-bromophenylalaninyl)aminomethyl}-1-cyclohexane-acetic acid With chloro-trimethyl-silane; triethylamine In dichloromethane at 0℃; for 0.25h; Stage #2: 1-{[(4-nitrophenoxy)carbonyl]oxy}ethyl 2-methylpropanoate In dichloromethane at 0 - 20℃; for 7h; |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
(5-tert-butyl-2-oxo-1,3-dioxol-4-yl)methyl (2S)-3-(4,5-dihydroimidazo[1,5-a]quinolin-3-yl)-2-{(3S)-3-[({1-[(2-methylpropanoyl)oxy]ethoxy}carbonyl)amino]pyrrolidin-1-yl}propanoate
Conditions | Yield |
---|---|
With triethylamine In N,N-dimethyl-formamide at 20℃; for 11h; Cooling with ice; |
(2S)-2-[(3S)-3-aminopyrrolidin-1-yl]-3-(4,5-dihydroimidazo[1,5-a]quinolin-3-yl)propanoic acid
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
(2S)-3-(4,5-dihydroimidazo[1,5-a]quinolin-3-yl)-2-{(3S)-3-[({1[(2-methylpropanoyl)oxy]ethoxy}carbonyl)amino]pyrrolidin-1-yl}propanoic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; |
(2S)-5-amino-2-(4,5-dihydroimidazo[1,5-a]quinolin-3-ylmethyl)pentanoic acid
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
(2S)-2-(4,5-dihydroimidazo[1,5-a]quinolin-3-ylmethyl)-5-[({1-[(2-methylpropanoyl)oxy]ethoxy}carbonyl)amino]pentanoic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 15h; |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20 - 25℃; Inert atmosphere; | 555 mg |
With dmap; N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 25℃; Inert atmosphere; | 555 mg |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 20℃; for 48h; | 0.15 g |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
(2S)-5-({[(1R)-1-(isobutyryloxy)ethoxy]carbonyl}amino)-2-{[1-(trans-4-methylcyclohexyl)-1H-imidazol-4-yl]methyl}valeric acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: triethylamine; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 4 h / -5 - 0 °C / Large scale View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRALCEL OJ-H / hexane; isopropyl alcohol / Resolution of racemate 3: triethylamine; sodium hydroxide / acetonitrile; water / 20 h / 0 °C View Scheme | |
Multi-step reaction with 3 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRAZYME L-2,C4 / aq. phosphate buffer; tert-butyl methyl ether / 38 h / 20 °C / Enzymatic reaction 3: triethylamine; sodium hydroxide / acetonitrile; water / 20 h / 0 °C View Scheme |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRALCEL OJ-H / hexane; isopropyl alcohol / Resolution of racemate 3: triethylamine; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 4 h / 0 °C View Scheme |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRALCEL OJ-H / hexane; isopropyl alcohol / Resolution of racemate View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRAZYME L-2,C4 / aq. phosphate buffer; tert-butyl methyl ether / 38 h / 20 °C / Enzymatic reaction View Scheme |
1-[[(4-nitrophenoxy)carbonyl]oxy]-2-methylpropionic acid ethyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / acetonitrile / 4 h / 0 - 5 °C 2: CHIRALCEL OJ-H / hexane; isopropyl alcohol / Resolution of racemate View Scheme |
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