Qingdao Beluga Import and Export Co., LTD
PETASIN CAS:26577-85-5 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organic intermediates, s
Cas:26577-85-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryShandong Hanjiang Chemical Co., Ltd.
Hello, 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
Cas:26577-85-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd
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
Cas:26577-85-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryHenan Tianfu Chemical Co., Ltd.
1.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.
Cas:26577-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAntimex Chemical Limied
Ansciep 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
Cas:26577-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryHenan Kanbei Chemical Co.,LTD
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
ZHEJIANG JIUZHOU CHEM CO.,LTD
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Hebei Ruican Trade Co., Ltd.
Natural plant butterbur extract powder 10% petasin petasites hybridus 1.Petasin is responsible for the antispasmodic properties of the plant by reducing ; 2.Spasms in smooth muscle and vascular walls, in additi
Cas:26577-85-5
Min.Order:1 Kilogram
FOB Price: $10.0 / 30.0
Type:Trading Company
inquiryChengdu Push Bio-technology Co., Ltd
Chengdu 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
Topbatt Chemical Co., Ltd.
Topbatt Chemical Co., Ltd., Established in 2019, located in Shenzhen, Guangdong Province, is a Manufacturer and Trading company which specialized in fine chemicals like Pharmaceutical Reference Standards and Stable Isotopes. Our Stable Isotopes produ
NovaChemistry
High purity Application:Pharmaceutical intermediates, Material synthesis and analyzing the expectant ingredients
Synthetic route
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164414-38-4
2-methylbut-2-enoic acid (1R,2R,7S,8aR)-7-(1-hydroxy-1-methylethyl)-1,8a-dimethyl-6-oxo-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-yl ester
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A
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469-26-1
Isopetasin
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B
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26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| With trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine In dichloromethane at -78℃; for 1h; | A 17% B 69% |
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-
164414-38-4
2-methylbut-2-enoic acid (1R,2R,7S,8aR)-7-(1-hydroxy-1-methylethyl)-1,8a-dimethyl-6-oxo-1,2,3,4,6,7,8,8a-octahydronaphthalen-2-yl ester
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| With trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine In dichloromethane at -78℃; for 1h; | 69% |
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-
565-63-9
Angelic acid
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: Et3N / toluene / 2 h / Ambient temperature 2: Et3N / toluene / 24 h / 80 °C 3: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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-
137601-32-2
(2Z)-2-methyl-2-butenoic 2,4,6-trichlorobenzoic anhydride
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: Et3N / toluene / 24 h / 80 °C 2: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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122052-66-8
(4aR,5R,6R)-(+)-6-(tert-butyldimethylsiloxy)-4a,5-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 4 steps 1: 1.) HMDS, 3.) ZnCl2 2: 94 percent / 50percent aq. HF / acetonitrile / 2 h / Ambient temperature 3: Et3N / toluene / 24 h / 80 °C 4: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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-
164577-44-0
(3S,4aR,5R,6R)-(+)-6-hydroxy-3-(1-hydroxy-1-methylethyl)-4a,5-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: Et3N / toluene / 24 h / 80 °C 2: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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-
164414-36-2
(1R,2R,3R)-(-)-<3-(tert-butyldimethylsiloxy)-1,2-dimethyl-6-oxocyclohexyl>propionic acid
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 6 steps 1: toluene / 5 h / 80 °C 2: ethanol / 15 h / Heating 3: 1.) HMDS, 3.) ZnCl2 4: 94 percent / 50percent aq. HF / acetonitrile / 2 h / Ambient temperature 5: Et3N / toluene / 24 h / 80 °C 6: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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-
164414-37-3
(3S,4aR,5R,6R)-(+)-6-(tert-butyldimethylsiloxy)-3-(1-hydroxy-1-methylethyl)-4a,5-dimethyl-4,4a,5,6,7,8-hexahydro-3H-naphthalen-2-one
-
-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 3 steps 1: 94 percent / 50percent aq. HF / acetonitrile / 2 h / Ambient temperature 2: Et3N / toluene / 24 h / 80 °C 3: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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-
26577-85-5
Petasin
| Conditions | Yield |
|---|---|
| Multi-step reaction with 5 steps 1: ethanol / 15 h / Heating 2: 1.) HMDS, 3.) ZnCl2 3: 94 percent / 50percent aq. HF / acetonitrile / 2 h / Ambient temperature 4: Et3N / toluene / 24 h / 80 °C 5: 69 percent / (CF3SO2)O, i-Pr2NEt / CH2Cl2 / 1 h / -78 °C View Scheme |
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