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inquiryUnique advantages of (4S,5R)-3-tert-butoxycarbony-2-(4-anisy)-4-phenyl-5-oxazolidinecarboxylic acid Cas 196404-55-4 Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White crys
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inquiryProduct Name: (4S,5R)-3-tert-butoxycarbony-2-(4-anisy)-4-phenyl-5-oxazolidinecarboxylic acid Synonyms: (4S,5R)-3-tert-butoxycarbony-2-(4-anisyl)--phenyl-5-oxazolidinecarboxylic acid;(4S,5R)-2-(4-methoxyphenyl)-4-phenyl-3,5-Oxazolidined
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inquiryAbout Product Details Item Specification Test Results Appearance White crystalline powder Conform
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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 R&
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inquiry(4S,5R)-3-tert-butoxycarbony-2-(4-anisy)-4-phenyl-5-oxazolidinecarboxylic acidCAS: 196404-55-4 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemic
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inquiryBest quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
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inquiryAppearance:white solid Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for Synthesis API and Research Transportation:By Sea/Air/Courier Port:Qingdao/Shanghai
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inquiryOur company provides one-stop services of research - development - production for a variety of special prouducts. Not only do we make effective use of our strong technological strength, but also establish of cooperative relations with several well-
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inquiryA substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
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inquiryPacking: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Transportation:Express/Sea/Air Port:Ningbo/Shanghai/Qingd
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inquiryProduct name: (4S,5R)-3-Tert-Butoxy-2-(4-Methoxyphenyl)-4-Phenyl-5-Oxazolidine Carboxylic Acid CAS No.:196404-55-4 Molecule Formula:C22H25NO6 Molecule Weight:399.44 Purity: 98.0% Package: 25kg/drum Description:White powder Manufacture
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inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
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inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
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inquiry(2*,4S,5R)-methyl N-tert-butoxycarbonyl-2-(4'-methoxy)phenyl-4-phenyl-1,3-oxazolidine-5-methionate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With methanol; sodium hydroxide at 20℃; | 92% |
With potassium hydroxide; water In methanol |
benzyl (4S,5R)-3-t-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With hydrogen; palladium(II) hydroxide In methanol at 20℃; under 103.432 Torr; for 1h; | 67.9% |
With hydrogen; palladium(II) hydroxide In methanol at 20℃; under 1034.32 Torr; for 1h; | 67.9% |
With hydrogen; palladium(II) hydroxide In methanol at 20℃; under 1034.32 Torr; for 1h; Inert atmosphere; |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: HCl / methanol 1.2: H2 / Pd/C 2.1: 94 percent / PPTS / toluene 3.1: KOH; water / methanol View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1.1: HCl / methanol 1.2: H2 / Pd/C 2.1: 94 percent / PPTS / toluene 3.1: KOH; water / methanol View Scheme |
di-tert-butyl dicarbonate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 94 percent / PPTS / toluene 2: KOH; water / methanol View Scheme |
methyl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-phenylpropionate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / PPTS / toluene 2: KOH; water / methanol View Scheme | |
Multi-step reaction with 2 steps 1: toluene-4-sulfonic acid; pyridine / toluene / Reflux 2: sodium hydroxide; methanol / 20 °C View Scheme |
(2R,3S)-3-phenylisoserine methyl ester
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 94 percent / PPTS / toluene 2: KOH; water / methanol View Scheme | |
Multi-step reaction with 3 steps 1: potassium hydroxide / dichloromethane; water / 20 °C 2: toluene-4-sulfonic acid; pyridine / toluene / Reflux 3: sodium hydroxide; methanol / 20 °C View Scheme |
C25H33NO6S
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride / water; ethyl acetate / 10 h / 20 °C 2: triethylamine / dichloromethane / 20 °C / Inert atmosphere 3: pyridinium p-toluenesulfonate / toluene / 4.33 h / 90 - 100 °C / Inert atmosphere 4: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 1034.32 Torr / Inert atmosphere View Scheme |
(R)-N-benzylidene-2-methylpropane-2-sulfinamide
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: lithium hexamethyldisilazane / tetrahydrofuran / 1.5 h / -70 °C / Inert atmosphere 1.2: 4.5 h / -70 °C / Inert atmosphere 2.1: hydrogenchloride / water; ethyl acetate / 10 h / 20 °C 3.1: triethylamine / dichloromethane / 20 °C / Inert atmosphere 4.1: pyridinium p-toluenesulfonate / toluene / 4.33 h / 90 - 100 °C / Inert atmosphere 5.1: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 1034.32 Torr / Inert atmosphere View Scheme | |
Multi-step reaction with 5 steps 1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -70 °C 1.2: 4 h 2.1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 3.1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 4.1: triethylamine / dichloromethane / 20 °C 5.1: palladium(II) hydroxide; hydrogen / methanol / 1 h / 20 °C / 1034.32 Torr View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: triethylamine / dichloromethane / 20 °C / Inert atmosphere 2: pyridinium p-toluenesulfonate / toluene / 4.33 h / 90 - 100 °C / Inert atmosphere 3: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 1034.32 Torr / Inert atmosphere View Scheme | |
Multi-step reaction with 3 steps 1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 2: triethylamine / dichloromethane / 20 °C 3: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 103.43 Torr View Scheme | |
Multi-step reaction with 3 steps 1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 2: triethylamine / dichloromethane / 20 °C 3: palladium(II) hydroxide; hydrogen / methanol / 1 h / 20 °C / 1034.32 Torr View Scheme |
(2R,3S)-N-Boc-3-phenylisoserine benzyl ester
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: pyridinium p-toluenesulfonate / toluene / 4.33 h / 90 - 100 °C / Inert atmosphere 2: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 1034.32 Torr / Inert atmosphere View Scheme |
benzaldehyde
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1.1: magnesium sulfate; pyridinium p-toluenesulfonate / dichloromethane 2.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -70 °C 2.2: 4 h 3.1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 4.1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 5.1: triethylamine / dichloromethane / 20 °C 6.1: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 103.43 Torr View Scheme | |
Multi-step reaction with 6 steps 1.1: magnesium sulfate; pyridinium p-toluenesulfonate / dichloromethane / 24 h / 20 °C 2.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -70 °C 2.2: 4 h 3.1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 4.1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 5.1: triethylamine / dichloromethane / 20 °C 6.1: palladium(II) hydroxide; hydrogen / methanol / 1 h / 20 °C / 1034.32 Torr View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1.1: lithium hexamethyldisilazane / tetrahydrofuran / 0.5 h / -70 °C 1.2: 4 h 2.1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 3.1: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 4.1: triethylamine / dichloromethane / 20 °C 5.1: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 103.43 Torr View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 2: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 3: triethylamine / dichloromethane / 20 °C 4: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 103.43 Torr View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane / 20 °C 2: hydrogen; palladium(II) hydroxide / methanol / 1 h / 20 °C / 103.43 Torr View Scheme | |
Multi-step reaction with 2 steps 1: triethylamine / dichloromethane / 20 °C 2: palladium(II) hydroxide; hydrogen / methanol / 1 h / 20 °C / 1034.32 Torr View Scheme |
(SS,2R,3S)-N-tert-butanesulfinyl-O-[(tert-butyloxy)carbonyl]-3-phenylisoserine benzyl ester
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: hydrogenchloride / ethyl acetate / 10 h / 20 °C 2: pyridinium p-toluenesulfonate / toluene / 4 h / 90 - 100 °C 3: triethylamine / dichloromethane / 20 °C 4: palladium(II) hydroxide; hydrogen / methanol / 1 h / 20 °C / 1034.32 Torr View Scheme |
di-tert-butyl dicarbonate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: potassium hydroxide / dichloromethane; water / 20 °C 2: toluene-4-sulfonic acid; pyridine / toluene / Reflux 3: sodium hydroxide; methanol / 20 °C View Scheme |
7,10-di-(2,2,2-trichloroethyloxycarbonyl)-10-deacetylbaccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 1h; | 97.1% |
2-oxa-6-azaspiro[3.3]heptan-6-ium carboxyformate
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
(4S,5R)-tert-butyl-2-(4-methoxyphenyl)-4-phenyl-5-(2-oxa-6-azaspiro[3.3]heptane-6-carbonyl)oxazolidine-3-carboxylate
Conditions | Yield |
---|---|
With N-[(dimethylamino)-3-oxo-1H-1,2,3-triazolo[4,5-b]pyridin-1-yl-methylene]-N-methylmethanaminium hexafluorophosphate In tetrahydrofuran at 20℃; for 24h; | 95% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
7-(2',3',4',6'-tetra-O-benzyl-β-D-glucopyranosyloxy)-9-dihydrobaccatin III
Conditions | Yield |
---|---|
With 4-pyrrolidin-1-ylpyridine; dicyclohexyl-carbodiimide In dichloromethane at 75℃; for 3.5h; | 93% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 15℃; for 2h; Temperature; Reagent/catalyst; | 93% |
7,10-di-(2,2,2-trichloroethyloxycarbonyl)-10-deacetylbaccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
C57H61Cl6NO19
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 85℃; Fischer-Speier Esterification; | 92% |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; | |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0 - 6℃; for 0.833333h; Solvent; Temperature; Inert atmosphere; |
4α-acetoxy-2α-benzoyIoxy-5β,20-epoxy-1β,13α-dihydroxy-10β-methoxy-9-oxo-7β-triethylsilyloxy-11-taxene
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 25℃; Inert atmosphere; | 90.3% |
C-7,C-10-dibenzyloxycarbonyl-10-deacetyl baccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In toluene at 60℃; Inert atmosphere; | 90% |
oridonin
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane | 87% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
7-desacetoxy-9,10,13-tridesacetyl-9,10-O-isopropylidene baccatine VI
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 2.5h; Esterification; | 86% |
7-(triethylsilyl)baccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
C59H75NO16Si
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20 - 80℃; for 2h; | 82.9% |
7-deshydroxy baccatine III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 5.25h; Esterification; | 79% |
N-(12-hydroxydodecanoyl)-N-deacetylcolchicine
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
3-tert-butyl 5-[12-oxo-12-(N-deacetylcolchicin-7-N-yl)dodecyl] (4S,5R)-2-(4-methoxyphenyl)-4-phenyl-oxazolidine-3,5-dicarboxylate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere; | 73% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 25℃; for 12h; | 70% |
10-deacetylbaccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multistep reaction; | 59% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
2,9,10,13-tetradesacetyl-1,2-O-benzylidene-7-desacetoxy-9,10-O-isopropylidene baccatine IV
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 1h; Esterification; | 49% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Acetic acid (1R,5S,7S,8S,9R,10R,11S,12S)-7,10-diacetoxy-4-acetoxymethyl-5-hydroxy-8,12,15,15-tetramethyl-13-oxo-tricyclo[9.3.1.03,8]pentadec-3-en-9-yl ester
(4R,5S)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-((1R,5S,7S,8S,9R,10R,11S,12S)-7,9,10-triacetoxy-4-acetoxymethyl-8,12,15,15-tetramethyl-13-oxo-tricyclo[9.3.1.03,8]pentadec-3-en-5-yl) ester
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane; toluene at 75℃; for 5h; | 29% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Acetic acid (1R,5S,7S,8R,9S,11S,12S)-7-acetoxy-4-acetoxymethyl-5-hydroxy-8,12,15,15-tetramethyl-13-oxo-tricyclo[9.3.1.03,8]pentadec-3-en-9-yl ester
(4R,5S)-2-(4-Methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-((1R,5S,7S,8R,9S,11S,12S)-7,9-diacetoxy-4-acetoxymethyl-8,12,15,15-tetramethyl-13-oxo-tricyclo[9.3.1.03,8]pentadec-3-en-5-yl) ester
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane; toluene at 75℃; for 5h; | 28% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Acetic acid (1R,5S,7S,8R,9S,11S,12S)-7-acetoxy-5-hydroxy-4-hydroxymethyl-8,12,15,15-tetramethyl-13-oxo-tricyclo[9.3.1.03,8]pentadec-3-en-9-yl ester
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane; toluene at 4℃; for 18h; | 12% |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 28 percent / DMAP; DCC / CH2Cl2; toluene / 5 h / 75 °C 2: 58 percent / p-toluenesulfonic acid / methanol / 18 h / 23 °C View Scheme |
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 29 percent / DMAP; DCC / CH2Cl2; toluene / 5 h / 75 °C 2: 57 percent / p-toluenesulfonic acid / methanol / 3 h / 23 °C View Scheme |
N-(12-hydroxydodecanoyl)-N-deacetylcolchicine
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
(2R,3S)-N-(tert-butoxycarbonyl)phenylisoserine 12-oxo-12-(N-deacetylcolchicin-7-N-yl)dodecyl ester
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dmap; dicyclohexyl-carbodiimide / dichloromethane / 12 h / 20 °C / Inert atmosphere 2: toluene-4-sulfonic acid / methanol / 2.5 h / 20 °C View Scheme |
7-methoxyformyl-10-methoxy baccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
Conditions | Yield |
---|---|
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide In dichloromethane at 20℃; Inert atmosphere; |
7-methoxyformyl-10-methoxy baccatin III
acide (4S,5R)-N-(tert-butoxycarbonyl)-2-(4-O-methoxyphenyl)-4-phenyl-5-oxazolidine carboxylique
C46H57NO16
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: dicyclohexyl-carbodiimide; dmap; toluene-4-sulfonic acid / dichloromethane / 20 °C / Inert atmosphere 2: acetyl chloride / tetrahydrofuran; methanol / 2 h / 0 °C / Inert atmosphere View Scheme |
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