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Cas:173937-91-2
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Zibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
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Cas:173937-91-2
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(2R,3R,4S)-4-(1,3-BENZODIOXOL-5-YL)-1-[2-(DIBUTYLAMINO)-2-OXOETHYL]-2-(METHOXYPHENYL)PYRROLIDINE-3-CARBOXYLIC ACIDCASAppearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transp
Cas:173937-91-2
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Wuhan Sun-shine Bio-technology Corporation Limited is specializing in the anticancer, antitumor,heart head blood-vessel,pharmaceutical intermediates,fine Chemicals production and customization. Company has strong ability of research and development
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inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
This chemical is called Atrasentan, and its systematic name is (2R,3R,4S)-4-(1,3-Benzodioxol-5-yl)-1-[2-(dibutylamino)-2-oxoethyl]-2-(4-methoxyphenyl)pyrrolidine-3-carboxylic acid. With the molecular formula of C29H38N2O6, its molecular weight is 5
Molecular Formula C29H38N2O6 Molecular Weight 510.62 CAS Registry Number 173937-91-2 AtrasentanSynonyms(2R,3R,4S)-4-(1,3-Benz…
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inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid Storage:keep sealed and keep from direct light Package:According client's requirements Application:Phar
atrasentan
Conditions | Yield |
---|---|
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran for 0.5h; | 78% |
5-((E)-2-nitroethenyl)-1,3-benzodioxole
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 10 steps 1: 78 percent / DBU / tetrahydrofuran; propan-2-ol / 4 h / Ambient temperature 2: 12.34 g / H2 / Raney nickel / ethanol / 3040 Torr 3: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 4: 2.775 g / C2H5ONa / ethanol / Heating 5: 91 percent / CH2Cl2 / 1 h / Ambient temperature 6: 95 percent / NaOH 7: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 8: 4 N aq. HCl / dioxane 9: iPr2NEt / acetonitrile 10: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme | |
Multi-step reaction with 9 steps 1: 78 percent / DBU / tetrahydrofuran; propan-2-ol / 4 h / Ambient temperature 2: 12.34 g / H2 / Raney nickel / ethanol / 3040 Torr 3: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 4: 91 percent / CH2Cl2 / 1 h / Ambient temperature 5: 95 percent / NaOH 6: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 7: 4 N aq. HCl / dioxane 8: iPr2NEt / acetonitrile 9: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
N,N-dibutylbromoacetamide
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: iPr2NEt / acetonitrile 2: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 95 percent / 1,2-dichloro-ethane / 0.83 h / -20 - 20 °C 2: iPr2NEt / acetonitrile 3: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
Ethyl 2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)-4.5-dihydro-3H-pyrrole-3-carboxylate
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 2: 2.775 g / C2H5ONa / ethanol / Heating 3: 91 percent / CH2Cl2 / 1 h / Ambient temperature 4: 95 percent / NaOH 5: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 6: 4 N aq. HCl / dioxane 7: iPr2NEt / acetonitrile 8: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme | |
Multi-step reaction with 7 steps 1: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 2: 91 percent / CH2Cl2 / 1 h / Ambient temperature 3: 95 percent / NaOH 4: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 5: 4 N aq. HCl / dioxane 6: iPr2NEt / acetonitrile 7: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
Ethyl 2-(4-methoxybenzoyl)-3-(3,4-methylenedioxy-phenyl)-4-nitro-butanoate
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: 12.34 g / H2 / Raney nickel / ethanol / 3040 Torr 2: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 3: 2.775 g / C2H5ONa / ethanol / Heating 4: 91 percent / CH2Cl2 / 1 h / Ambient temperature 5: 95 percent / NaOH 6: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 7: 4 N aq. HCl / dioxane 8: iPr2NEt / acetonitrile 9: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme | |
Multi-step reaction with 8 steps 1: 12.34 g / H2 / Raney nickel / ethanol / 3040 Torr 2: 1.) sodium cyanoborohydride, 2.) bromocresol green, conc. HCl / 1.) THF, EtOH, 2.) THF, EtOH, 20 min 3: 91 percent / CH2Cl2 / 1 h / Ambient temperature 4: 95 percent / NaOH 5: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 6: 4 N aq. HCl / dioxane 7: iPr2NEt / acetonitrile 8: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 95 percent / NaOH 2: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 3: 4 N aq. HCl / dioxane 4: iPr2NEt / acetonitrile 5: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 4 N aq. HCl / dioxane 2: iPr2NEt / acetonitrile 3: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 2.775 g / C2H5ONa / ethanol / Heating 2: 91 percent / CH2Cl2 / 1 h / Ambient temperature 3: 95 percent / NaOH 4: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 5: 4 N aq. HCl / dioxane 6: iPr2NEt / acetonitrile 7: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 91 percent / CH2Cl2 / 1 h / Ambient temperature 2: 95 percent / NaOH 3: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 4: 4 N aq. HCl / dioxane 5: iPr2NEt / acetonitrile 6: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
atrasentan
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 1.) Et3N, t-BuCOCl, 2.) n-BuLi 2: 4 N aq. HCl / dioxane 3: iPr2NEt / acetonitrile 4: 78 percent / aq. LiOH, 30percent aq. H2O2 / tetrahydrofuran / 0.5 h View Scheme |
N,N-dibutylbromoacetamide
ethyl (2R,3R,4S)-5-(4-methoxyphenyl)-3-(3,4-(methylenedioxy)phenyl)pyrrolidine-3-carboxylate
atrasentan
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In acetonitrile |
ethyl (2R,3R,4S)-(+)-2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)pyrrolidine-3-carboxylate, (S)-(+)-mandelate
N,N-dibutylbromoacetamide
atrasentan
Conditions | Yield |
---|---|
Stage #1: ethyl (2R,3R,4S)-(+)-2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)pyrrolidine-3-carboxylate, (S)-(+)-mandelate With sodium hydrogencarbonate In water; ethyl acetate at 25℃; Stage #2: N,N-dibutylbromoacetamide With N-ethyl-N,N-diisopropylamine In acetonitrile at 10℃; for 12h; Stage #3: With hydrogenchloride; sodium hydroxide more than 3 stages; |
ethyl (2R,3R,4S)-(+)-2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)pyrrolidine-3-carboxylate, (S)-(+) mandelate
N,N-dibutylbromoacetamide
N-ethyl-N,N-diisopropylamine
atrasentan
Conditions | Yield |
---|---|
Stage #1: ethyl (2R,3R,4S)-(+)-2-(4-methoxyphenyl)-4-(1,3-benzodioxol-5-yl)pyrrolidine-3-carboxylate, (S)-(+) mandelate With sodium hydrogencarbonate In water; ethyl acetate at 25℃; Stage #2: N,N-dibutylbromoacetamide; N-ethyl-N,N-diisopropylamine In ethyl acetate; acetonitrile at 110℃; for 16h; |
atrasentan
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol; water; ethyl acetate for 0.25h; | |
With hydrogenchloride In water; ethyl acetate at 0℃; for 2 - 3h; Product distribution / selectivity; | |
With hydrogenchloride In ethanol; water; ethyl acetate for 0.25h; Product distribution / selectivity; | |
With hydrogenchloride In ethyl acetate at 0 - 45℃; for 26.5 - 39.5h; |
Conditions | Yield |
---|---|
In methanol; water at 50℃; |
Conditions | Yield |
---|---|
In methanol; water at 40℃; Temperature; |
Conditions | Yield |
---|---|
In water at 50℃; for 0.25h; Sonication; |
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