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inquiry(2R,4S,5R)-3-(tert-butoxycarbonyl)-2-(4-Methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid CAS:155396-69-3 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and
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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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inquiryCompany Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments
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inquiryZibo 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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inquiryProduct name: (2R,4S,5R)-3-(Tert-Butoxycarbonyl)-2-(4-Methoxyphenyl)-4-Phenyloxazolidine-5-Carboxylic Acid CAS No.:155396-69-3 Molecule Formula:C22H25NO6 Molecule Weight:399.44 Purity: 99.0% Package: 25kg/drum Description:White powder Manufact
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inquiry(2R,4S,5R)-5-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]decane-4-carbonyl)-2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3-carboxylic acid tert-butyl ester
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With lithium hydroxide; dihydrogen peroxide In tetrahydrofuran; water 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h; | 100% |
(2R,4S,5R)-3-t-butoxycarbonyl-4-phenyl-2-(4-methoxyphenyl)-5-methoxycarbonyl-1,3-oxazolidine
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With KOH (or LiOH*H2O) In methanol; water Yield given; |
tert-butyl carbamate
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 68 percent / HCOOH / methanol; H2O / 21 h / 20 °C 2: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating 3: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 4: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 5: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
benzaldehyde
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 68 percent / HCOOH / methanol; H2O / 21 h / 20 °C 2: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating 3: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 4: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 5: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
benzaldehyde N-boc imine
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 2: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 3: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
tert-butyl N-(phenyl(phenylsulfonyl)methyl)carbamate
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 100 percent / K2CO3 / tetrahydrofuran / 12 h / Heating 2: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 3: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 4: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
[(1S,2R)-3-((1R,5S,7S)-10,10-Dimethyl-3,3-dioxo-3λ6-thia-4-aza-tricyclo[5.2.1.01,5]dec-4-yl)-2-(4-methoxy-benzyloxy)-3-oxo-1-phenyl-propyl]-carbamic acid tert-butyl ester
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 2: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 86 percent / NaH / toluene / 1.) 20 deg C, 30 min, 2.) 20 deg C, 3 h 2: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 3: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 4: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
N-<<(p-Methoxybenzyl)oxy>acetyl>-2,10-camphorsultam
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 1.) LiN(Si(CH3)3)2 / 1.) THF, -78 deg C, 30 min, 2.) -78 deg C, 15 min 2: 90 percent / DDQ, 4 Angstroem molecular sieves / CH2Cl2 / 14 h / 20 °C 3: 100 percent / LiOH, H2O2 / tetrahydrofuran; H2O / 1.) 0 deg C, 30 min, 2.) 20 deg C, 2 h View Scheme |
p-Anisaldehyde dimethyl acetal
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 74 percent / PPTS / toluene / 0.5 h / Heating 2: KOH (or LiOH*H2O) / methanol; H2O View Scheme |
methyl (2R,3S)-3-(tert-butoxycarbonylamino)-2-hydroxy-3-phenylpropionate
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 74 percent / PPTS / toluene / 0.5 h / Heating 2: KOH (or LiOH*H2O) / methanol; H2O View Scheme |
7,10-(di-3',5'-dinitrobenzoyl)-10-deacetylbaccatin III
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
(2R,4S,5R)-3-t-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carbonyl 7,10-(di-3'',5''-dinitrobenzoyl)-10-deacetylbaccatin III
Conditions | Yield |
---|---|
Stage #1: 7,10-(di-3',5'-dinitrobenzoyl)-10-deacetylbaccatin III; (2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid; dmap In ethyl acetate at 40℃; Stage #2: With dicyclohexyl-carbodiimide In ethyl acetate for 0.5h; | 100% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C48H71NO9Si2
C70H94N2O14Si2
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene for 0.666667h; Ambient temperature; | 99% |
7,10-di-O-1,3-benzodithiolan-2-yl-10-DAB
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
(2α,5β,7β,10β,13α)-4-acetoxy-13-{(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxy}-1-hydroxy-7,10-di-O-1,3-benzodithiolan-2-yl-9-oxo-5,20-epoxy-tax-11-en-2-yl benzoate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 18h; | 96% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Benzoic acid (1S,2S,3S,4S,7S,8S,10R,13S)-4-acetoxy-1,13-dihydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 5-(4-acetoxy-2-benzoyloxy-1-hydroxy-8,12,15,15-tetramethyl-9-oxo-7,10-bis-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester 3-tert-butyl ester
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 0.333333h; | 93% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C41H64O9Si2
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; Etherification; | 92% |
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β,13α-dihydroxy-7β,10β-dimethoxy-9-oxo-11-taxene
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
4α-acetoxy-2α-benzoyloxy-5β,20-epoxy-1β-hydroxy-7β,10β-dimethoxy-9-oxo-11-taxene-13α-yl (2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran at 20℃; for 2h; | 91% |
With dmap; dicyclohexyl-carbodiimide In tetrahydrofuran | |
With dmap; dicyclohexyl-carbodiimide In toluene at 20 - 30℃; | |
With dmap; dicyclohexyl-carbodiimide In ethyl acetate at 20℃; for 3h; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C60H77NO17Si
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In ethyl acetate at 20℃; for 1.5h; | 89% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
7,10-di(triethylsilyl)-5(20)-deoxy-5(20)-sulfanyl-10-deacetylbaccatin III
5(20)-deoxy-5(20)-sulfanyl-7,10-di(triethylsilyl)-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]-10-deacetylbaccatin III
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 1.5h; | 85% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
7-deoxy-5(20)-deoxy-5(20)-sulfanylbaccatin III
5(20)-deoxy-5(20)-sulfanyl-7-deoxy-13-[[(4S,5R)-2-(4-methoxyphenyl)-3-(tert-butyloxycarbonyl)-4-phenyl-1,3-oxazolidin-5-yl]carbonyl]baccatin III
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 80℃; for 3h; | 78% |
4,10-bis(deacetyl)-7-(triethylsily)baccatin III
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 60℃; | 76% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C27H38O9
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 14.5h; Esterification; | 65% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C33H50O9Si
C55H73NO14Si
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 60℃; | 62% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
A
C45H57NO13
B
C45H57NO13
C
C59H74N2O17
Conditions | Yield |
---|---|
Stage #1: (2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid; brevifoliol With dmap; dicyclohexyl-carbodiimide In toluene at 25℃; for 1h; Stage #2: With methanol; toluene-4-sulfonic acid at 25℃; for 2h; Further stages.; | A 30% B 60% C 10% |
Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4,10-diacetoxy-1,13-dihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
2-(4-methoxy-phenyl)-4-phenyl-oxazolidine-3,5-dicarboxylic acid 3-tert-butyl ester 5-(4,10-diacetoxy-2-benzoyloxy-1-hydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-13-yl) ester
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 70℃; for 10h; | 54% |
Benzoic acid (1S,2S,3R,4R,7S,8S,10R,13S)-4-acetoxy-1,10,13-trihydroxy-4,8,12,15,15-pentamethyl-5,9-dioxo-7-triethylsilanyloxy-tricyclo[9.3.1.03,8]pentadec-11-en-2-yl ester
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 20℃; for 2.5h; | 49% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C28H42O8
Conditions | Yield |
---|---|
With 0,2,4-dichlorophenyl-0-methylisopropylamidothiophosphate; dicyclohexyl-carbodiimide In toluene Esterification; Heating; | 44% |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
C57H61Cl6NO17
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 25℃; for 2h; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide 1.) toluene, 21 deg C, 30 min, 2.) MeOH, 21 deg C, 1.5 h; Yield given. Multistep reaction. Yields of byproduct given; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 21℃; for 0.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
B
(2R,3S)-3-tert-Butoxycarbonylamino-2-hydroxy-3-phenyl-propionic acid (Z)-(2S,9R,11S)-2-acetoxy-9-(tert-butyl-dimethyl-silanyloxy)-12-methyl-bicyclo[7.3.1]trideca-1(12),5-diene-3,7-diyn-11-yl ester
Conditions | Yield |
---|---|
With dmap; toluene-4-sulfonic acid; dicyclohexyl-carbodiimide 1.) toluene, 21 deg C, 30 min, 2.) MeOH, 21 deg C, 1.5 h; Yield given. Multistep reaction. Yields of byproduct given; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In toluene at 21℃; for 0.5h; Yield given. Yields of byproduct given. Title compound not separated from byproducts; |
(2R,4S,5R)-(2R,4S,5R)-3-tert-butoxycarbonyl-2-(4-methoxyphenyl)-4-phenyl-1,3-oxazolidine-5-carboxylic acid
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 76 percent / DCC, DMAP / toluene / 60 °C 2: 41 percent / APTS / methanol / Ambient temperature View Scheme |
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