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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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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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inquiryWe produce carbomer by our own factory,carbomer 940 is our best seller.It is used for cosmetic and medical.And we also become agent for lubrizol.Our carbomer 940 get high viscosity and good transparency.The price will depond on the market,surely supp
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inquiryhigh purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou
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inquiryJ&H CHEM is one of China's leading providers of integrated fine chemical services including offering, research and development, Custom manufacturing business, as well as other Value-added customer services, for diversified range products of chemicals
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inquiry1.Our services:A.Supply sampleB.The packing also can be according the customers` requirmentC.Any inquiries will be replied within 24 hoursD.we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
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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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inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
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inquiryHuBei ipure is a diversified product production and operation enterprise, with API, pharma intermediates, and other fine chemicals as well as R&D and pigments development and sales as one of the large enterprises, with more than 130 acres of pl
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inquiryChengdu Push Bio-technology Co., Ltd. provides more than 4,000 natural monomeric substances, including approximately 6,000 products at different grades, specifications and purities. We have specialized in the R&D of medicinally active ingredients sta
4,12-Dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraene-5,13-dione,15-amino-3-[(1E,3E,5E)-7-(dimethylamino)-2,5-dimethyl-1,3,5-heptatrien-1-yl]-9,11,17-trimethyl-,(3S,6Z,8E,11S,15R,17SAppearance:Off white to slight yellow solid Storag
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inquiryC36H50Cl3N3O6S
(-)-pateamine
Conditions | Yield |
---|---|
With 10% Cd/Pd; ammonium acetate In tetrahydrofuran at 25℃; for 3.5h; | 78% |
With ammonium acetate; 10% Cd/Pd In tetrahydrofuran at 20℃; for 5h; Hydrolysis; | 73% |
With ammonium acetate; Cd/Pd In tetrahydrofuran at 20℃; for 3h; | 73% |
[(6Z,8E)-(3S,11S,15R,17S)-3-(tert-butyldimethylsilanyloxymethyl)-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl]carbamic acid 2,2,2-trichloro-1,1-dimethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 78 percent / TBAF / tetrahydrofuran / 20 h / 20 °C 2: 70 percent / Dess-Martin periodinane / CH2Cl2 / 3.5 h / 0 - 20 °C 3: 73 percent / benzene / 3 h / Heating 4: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 5: 73 percent / aq. NH4OAc / Cd/Pd / tetrahydrofuran / 3 h / 20 °C View Scheme |
((6Z,8E)-(3S,11S,15R,17S)-3-formyl-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl)carbamic acid 2,2,2-trichloro-1,1-dimethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 73 percent / benzene / 3 h / Heating 2: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 3: 73 percent / aq. NH4OAc / Cd/Pd / tetrahydrofuran / 3 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: 73 percent / 3 h / Heating 2: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 3: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 4: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
((6Z,8E)-(3S,11S,15R,17S)-3-hydroxymethyl-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl)carbamic acid 2,2,2-trichloro-1,1-dimethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 5 steps 1: 70 percent / Dess-Martin periodinane / CH2Cl2 / 3.5 h / 0 - 20 °C 2: 73 percent / benzene / 3 h / Heating 3: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 4: 73 percent / aq. NH4OAc / Cd/Pd / tetrahydrofuran / 3 h / 20 °C View Scheme | |
Multi-step reaction with 5 steps 1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 2: 73 percent / 3 h / Heating 3: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 4: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 5: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
((6Z,8E)-(3S,11S,15R,17S)-9,11,17-trimethyl-3-((E)-2-methyl-3-oxopropenyl)-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl)carbamic acid 2,2,2-trichloro-1,1-dimethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 2: 73 percent / aq. NH4OAc / Cd/Pd / tetrahydrofuran / 3 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 2: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 3: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
((6Z,8E)-(3S,11S,15R,17S)-3-((1E,3E)-4-iodo-2-methylbuta-1,3-dienyl)-9,11,17-trimethyl-5,13-dioxo-4,12-dioxa-20-thia-21-azabicyclo[16.2.1]heneicosa-1(21),6,8,18-tetraen-15-yl)carbamic acid 2,2,2-trichloro-1,1-dimethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 73 percent / aq. NH4OAc / Cd/Pd / tetrahydrofuran / 3 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 2: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(+)-(S)-4-tert-Butyldimethylsilyloxy-3-methyl-2-butanone
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 19 steps 1.1: LiHMDS / -78 °C 1.2: 86 percent / TMSCl; Br2 2.1: 2,6-lutidene / CH2Cl2 / 12 h / 20 °C 3.1: (CF3CO)2O; pyridine / CH2Cl2 / 0.5 h / -30 °C 4.1: 92 percent / AcOH / tetrahydrofuran; H2O / 12 h / 20 °C 5.1: Et3N / CH2Cl2 / 1 h / 0 °C 6.1: dimethylsulfoxide / 6 h / 60 °C 7.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 8.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 9.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 10.1: 95 percent / TFA / methanol / 4 h / 20 °C 11.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 12.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 13.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 13.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 14.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 15.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 16.1: 73 percent / 3 h / Heating 17.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 18.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 19.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(S)-1-bromo-4-(tert-butyldimethylsilanyloxy)-3-methylbutan-2-one
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 18 steps 1.1: 2,6-lutidene / CH2Cl2 / 12 h / 20 °C 2.1: (CF3CO)2O; pyridine / CH2Cl2 / 0.5 h / -30 °C 3.1: 92 percent / AcOH / tetrahydrofuran; H2O / 12 h / 20 °C 4.1: Et3N / CH2Cl2 / 1 h / 0 °C 5.1: dimethylsulfoxide / 6 h / 60 °C 6.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 7.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 8.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 9.1: 95 percent / TFA / methanol / 4 h / 20 °C 10.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 11.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 12.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 12.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 13.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 14.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 15.1: 73 percent / 3 h / Heating 16.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 17.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 18.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(S)-3-{2-[(S)-2-(4-Methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-butyraldehyde
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 12 steps 1.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 2.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 3.1: 95 percent / TFA / methanol / 4 h / 20 °C 4.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 5.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 6.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 6.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 7.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 8.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 9.1: 73 percent / 3 h / Heating 10.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 11.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 12.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(S)-3-{2-[(S)-2-(4-Methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-butyronitrile
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 13 steps 1.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 2.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 3.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 4.1: 95 percent / TFA / methanol / 4 h / 20 °C 5.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 6.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 7.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 7.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 8.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 9.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 10.1: 73 percent / 3 h / Heating 11.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 12.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 13.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(R)-2-{2-[(S)-2-(4-Methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-propan-1-ol
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 15 steps 1.1: Et3N / CH2Cl2 / 1 h / 0 °C 2.1: dimethylsulfoxide / 6 h / 60 °C 3.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 4.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 5.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 6.1: 95 percent / TFA / methanol / 4 h / 20 °C 7.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 8.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 9.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 9.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 10.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 11.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 12.1: 73 percent / 3 h / Heating 13.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 14.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 15.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
Methanesulfonic acid (R)-2-{2-[(S)-2-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-propyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 14 steps 1.1: dimethylsulfoxide / 6 h / 60 °C 2.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 3.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 4.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 5.1: 95 percent / TFA / methanol / 4 h / 20 °C 6.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 7.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 8.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 8.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 9.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 10.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 11.1: 73 percent / 3 h / Heating 12.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 13.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 14.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
4-[(R)-2-(tert-Butyl-dimethyl-silanyloxy)-1-methyl-ethyl]-2-[(S)-2-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazole
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 16 steps 1.1: 92 percent / AcOH / tetrahydrofuran; H2O / 12 h / 20 °C 2.1: Et3N / CH2Cl2 / 1 h / 0 °C 3.1: dimethylsulfoxide / 6 h / 60 °C 4.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 5.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 6.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 7.1: 95 percent / TFA / methanol / 4 h / 20 °C 8.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 9.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 10.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 10.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 11.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 12.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 13.1: 73 percent / 3 h / Heating 14.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 15.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 16.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 17 steps 1.1: (CF3CO)2O; pyridine / CH2Cl2 / 0.5 h / -30 °C 2.1: 92 percent / AcOH / tetrahydrofuran; H2O / 12 h / 20 °C 3.1: Et3N / CH2Cl2 / 1 h / 0 °C 4.1: dimethylsulfoxide / 6 h / 60 °C 5.1: 85 percent / DIBAL / toluene / 2 h / 0 °C 6.1: 64 percent / Ti(OEt)4 / CH2Cl2 / 4 h / 50 °C 7.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 8.1: 95 percent / TFA / methanol / 4 h / 20 °C 9.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 10.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 11.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 11.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 12.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 13.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 14.1: 73 percent / 3 h / Heating 15.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 16.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 17.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 11 steps 1.1: LiHMDS / tetrahydrofuran / 0.17 h / -78 °C 2.1: 95 percent / TFA / methanol / 4 h / 20 °C 3.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 4.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 5.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 5.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 6.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 7.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 8.1: 73 percent / 3 h / Heating 9.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 10.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 11.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(3R,5S)-3-Amino-5-{2-[(S)-2-(4-methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-hexanoic acid (E)-(S)-4-iodo-1,3-dimethyl-but-3-enyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 2.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 3.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 3.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 4.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 5.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 6.1: 73 percent / 3 h / Heating 7.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 8.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 9.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(3R,5S)-5-[2-((S)-2-Hydroxy-3-triisopropylsilanyloxy-propyl)-thiazol-4-yl]-3-(2,2,2-trichloro-1,1-dimethyl-ethoxycarbonylamino)-hexanoic acid (E)-(S)-4-iodo-1,3-dimethyl-but-3-enyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 1.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 2.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 3.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 4.1: 73 percent / 3 h / Heating 5.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 6.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 7.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
((6Z,8E)-(3S,11S,15R,17S)-9,11,17-Trimethyl-5,13-dioxo-3-triisopropylsilanyloxymethyl-4,12-dioxa-20-thia-21-aza-bicyclo[16.2.1]henicosa-1(21),6,8,18-tetraen-15-yl)-carbamic acid 2,2,2-trichloro-1,1-dimethyl-ethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 2: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 3: 73 percent / 3 h / Heating 4: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 5: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 6: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(3R,5S)-5-{2-[(S)-2-(4-Methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-3-((R)-toluene-4-sulfinylamino)-hexanoic acid (E)-(S)-4-iodo-1,3-dimethyl-but-3-enyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 10 steps 1.1: 95 percent / TFA / methanol / 4 h / 20 °C 2.1: 89 percent / pyridine / CH2Cl2 / 2 h / 0 °C 3.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 4.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 4.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 5.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 6.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 7.1: 73 percent / 3 h / Heating 8.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 9.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 10.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
(3R,5S)-5-{2-[(S)-2-(4-Methoxy-benzyloxy)-3-triisopropylsilanyloxy-propyl]-thiazol-4-yl}-3-(2,2,2-trichloro-1,1-dimethyl-ethoxycarbonylamino)-hexanoic acid (E)-(S)-4-iodo-1,3-dimethyl-but-3-enyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1.1: 87 percent / DDQ / CH2Cl2; H2O / 2 h / 20 °C 2.1: 2,4,6-trichlorobenzoyl chloride; Et3N; DMAP / toluene / 1 h / -30 °C 2.2: Pd(dba)2; Ph3As / dimethylformamide / 1 h / 55 °C 3.1: 78 percent / TBAF / acetic acid; tetrahydrofuran / 24 h / 20 °C 4.1: 70 percent / Dess-Martin reagent; pyridine / CH2Cl2 / 2 h / 20 °C 5.1: 73 percent / 3 h / Heating 6.1: 68 percent / CrCl2 / tetrahydrofuran / 1.5 h / 20 °C 7.1: 36 percent / Pd(CH3CN)2Cl2 / dimethylformamide / 6 h / 20 °C 8.1: 73 percent / NH4OAc / Cd-Pb / tetrahydrofuran / 5 h / 20 °C View Scheme |
tert-Butyl-((E)-(S)-4-iodo-1,3-dimethyl-but-3-enyloxy)-dimethyl-silane
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 9 steps 1: 94 percent / Pd(PPh3)4, CuI, n-PrNH2 / benzene / 20 h / 25 °C 2: 1.) (COCl)2, DMSO, 2.) Et3N / 1.) CH2Cl2, -78 deg C, 20 min, 2.) CH2Cl2, -78 deg C, 20 min 3: 61 percent / H2O2, NaH2PO4, NaClO2 / acetonitrile; 2-methyl-propan-2-ol / 2.5 h / 0 °C 4: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 5: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 6: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 7: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 8: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 9: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(S)-7-(tert-Butyl-dimethyl-silanyloxy)-5-methyl-oct-4-en-2-yn-1-ol
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 8 steps 1: 1.) (COCl)2, DMSO, 2.) Et3N / 1.) CH2Cl2, -78 deg C, 20 min, 2.) CH2Cl2, -78 deg C, 20 min 2: 61 percent / H2O2, NaH2PO4, NaClO2 / acetonitrile; 2-methyl-propan-2-ol / 2.5 h / 0 °C 3: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 4: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 5: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 6: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 7: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 8: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(S)-7-(tert-Butyl-dimethyl-silanyloxy)-5-methyl-oct-4-en-2-ynal
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 7 steps 1: 61 percent / H2O2, NaH2PO4, NaClO2 / acetonitrile; 2-methyl-propan-2-ol / 2.5 h / 0 °C 2: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 3: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 4: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 5: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 6: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 7: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(S)-7-(tert-Butyl-dimethyl-silanyloxy)-5-methyl-oct-4-en-2-ynoic acid
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 6 steps 1: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 2: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 3: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 4: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 5: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 6: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(R)-5-Bromo-3-triisopropylsilanyloxy-hex-4-enoic acid amide
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 20 steps 1: 72 percent / (PhOPh)2P2S4 / tetrahydrofuran / 0.5 h / 25 °C 2: KHCO3 / 1,2-dimethoxy-ethane / -30 - 25 °C 3: trifluoroacetic anhydride, 2,6-lutidine / 1,2-dimethoxy-ethane / 1 h / -30 °C 4: 80 percent / DIBAL-H / CH2Cl2 / 3 h / -90 °C 5: 1.) NaHMDS / 1.) THF, 25 deg C, 15 min, 2.) THF, 25 deg C, 1.5 h 6: 1.) CuBr*DMS / 1.) THF, Et2O, from -78 to 0 deg C, 30 min, 2.) THF, Et2O, CH2Cl2, -30 deg C, 3.5 h 7: 1.) AlMe3 / 1.) CH2Cl2, toluene, 25 deg C, 30 min, 2.) CH2Cl2, toluene, -20 deg C, 8 h 8: 95 percent / DIBAL-H / tetrahydrofuran; CH2Cl2 / 1.3 h / -78 °C 9: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 10: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 11: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 12: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 13: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 14: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 15: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 16: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 17: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 18: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 19: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 20: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(R)-5-Bromo-3-triisopropylsilanyloxy-hex-4-enethioic acid amide
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 19 steps 1: KHCO3 / 1,2-dimethoxy-ethane / -30 - 25 °C 2: trifluoroacetic anhydride, 2,6-lutidine / 1,2-dimethoxy-ethane / 1 h / -30 °C 3: 80 percent / DIBAL-H / CH2Cl2 / 3 h / -90 °C 4: 1.) NaHMDS / 1.) THF, 25 deg C, 15 min, 2.) THF, 25 deg C, 1.5 h 5: 1.) CuBr*DMS / 1.) THF, Et2O, from -78 to 0 deg C, 30 min, 2.) THF, Et2O, CH2Cl2, -30 deg C, 3.5 h 6: 1.) AlMe3 / 1.) CH2Cl2, toluene, 25 deg C, 30 min, 2.) CH2Cl2, toluene, -20 deg C, 8 h 7: 95 percent / DIBAL-H / tetrahydrofuran; CH2Cl2 / 1.3 h / -78 °C 8: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 9: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 10: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 11: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 12: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 13: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 14: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 15: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 16: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 17: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 18: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 19: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(E)-(R)-5-Bromo-3-hydroxy-1-((S)-4-isopropyl-2-thioxo-thiazolidin-3-yl)-hex-4-en-1-one
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 22 steps 1: 99 percent / 2,6-lutidine / CH2Cl2 / 0.67 h / 0 - 20 °C 2: 90 percent / NH3 gas / CH2Cl2 / 0 °C 3: 72 percent / (PhOPh)2P2S4 / tetrahydrofuran / 0.5 h / 25 °C 4: KHCO3 / 1,2-dimethoxy-ethane / -30 - 25 °C 5: trifluoroacetic anhydride, 2,6-lutidine / 1,2-dimethoxy-ethane / 1 h / -30 °C 6: 80 percent / DIBAL-H / CH2Cl2 / 3 h / -90 °C 7: 1.) NaHMDS / 1.) THF, 25 deg C, 15 min, 2.) THF, 25 deg C, 1.5 h 8: 1.) CuBr*DMS / 1.) THF, Et2O, from -78 to 0 deg C, 30 min, 2.) THF, Et2O, CH2Cl2, -30 deg C, 3.5 h 9: 1.) AlMe3 / 1.) CH2Cl2, toluene, 25 deg C, 30 min, 2.) CH2Cl2, toluene, -20 deg C, 8 h 10: 95 percent / DIBAL-H / tetrahydrofuran; CH2Cl2 / 1.3 h / -78 °C 11: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 12: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 13: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 14: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 15: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 16: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 17: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 18: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 19: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 20: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 21: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 22: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazole-4-carbaldehyde
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 16 steps 1: 1.) NaHMDS / 1.) THF, 25 deg C, 15 min, 2.) THF, 25 deg C, 1.5 h 2: 1.) CuBr*DMS / 1.) THF, Et2O, from -78 to 0 deg C, 30 min, 2.) THF, Et2O, CH2Cl2, -30 deg C, 3.5 h 3: 1.) AlMe3 / 1.) CH2Cl2, toluene, 25 deg C, 30 min, 2.) CH2Cl2, toluene, -20 deg C, 8 h 4: 95 percent / DIBAL-H / tetrahydrofuran; CH2Cl2 / 1.3 h / -78 °C 5: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 6: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 7: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 8: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 9: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 10: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 11: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 12: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 13: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 14: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 15: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 16: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(S)-3-[2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazol-4-yl]-butyraldehyde
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 12 steps 1: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 2: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 3: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 4: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 5: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 6: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 7: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 8: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 9: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 10: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 11: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 12: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
2-((E)-(R)-4-Bromo-2-triisopropylsilanyloxy-pent-3-enyl)-thiazole-4-carboxylic acid ethyl ester
(-)-pateamine
Conditions | Yield |
---|---|
Multi-step reaction with 17 steps 1: 80 percent / DIBAL-H / CH2Cl2 / 3 h / -90 °C 2: 1.) NaHMDS / 1.) THF, 25 deg C, 15 min, 2.) THF, 25 deg C, 1.5 h 3: 1.) CuBr*DMS / 1.) THF, Et2O, from -78 to 0 deg C, 30 min, 2.) THF, Et2O, CH2Cl2, -30 deg C, 3.5 h 4: 1.) AlMe3 / 1.) CH2Cl2, toluene, 25 deg C, 30 min, 2.) CH2Cl2, toluene, -20 deg C, 8 h 5: 95 percent / DIBAL-H / tetrahydrofuran; CH2Cl2 / 1.3 h / -78 °C 6: 1.) Sn(OTf)2, N-ethylpiperidine / 1.) CH2Cl2, -50 deg C, 4 h, 2.) CH2Cl2, -78 deg C, 1 h 7: 1.) Et3N / 1.) CH2Cl2, 25 deg C, 30 min, 2.) CH2Cl2, RT, 27 h 8: 92 percent / diisopropylazodicarboxylate, Ph3P / tetrahydrofuran / 2.5 h / 25 °C 9: 96 percent / aq. SmI2 / tetrahydrofuran / 1 h / 0 °C 10: 51 percent / Et3N, DMAP / CH2Cl2 / 12 h / 25 °C 11: 78 percent / TBAF, AcOH / tetrahydrofuran / 1 h / -20 °C 12: 57 percent / DIAD, Ph3P / tetrahydrofuran / 1.5 h / -20 °C 13: 78 percent / HF, pyridine / tetrahydrofuran / 5 h / 25 °C 14: 68 percent / Et4NCN / CH2Cl2 / 6 h / 25 °C 15: H2 / Pd/CaCO3 poisoned with Pb / methanol / 17 h / 25 °C / 760 Torr 16: 27 percent / Pd2dba3*CHCl3, triphenyl arsine / tetrahydrofuran / 33 h / 25 °C 17: 78 percent / NH4OAc, Cd-Pb / tetrahydrofuran / 3.5 h / 25 °C View Scheme |
(-)-pateamine
Carbonic acid 11-[((8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carbonyl)-amino]-undecyl ester 4-nitro-phenyl ester
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran at 25℃; for 18h; | 64% |
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