As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem's R&D center offer custom synthesis services. DayangChem can provide different quantities of custom synthesis ch
Cas:5707-96-0
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiry1.In No Less 10 years exporting experience. you can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specializ
Nsc254665 CAS:5707-96-0 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,
Cas:5707-96-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
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
Cas:5707-96-0
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryWe are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov
Cas:5707-96-0
Min.Order:100 Gram
FOB Price: $100.0 / 2000.0
Type:Lab/Research institutions
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
Cas:5707-96-0
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:5707-96-0
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:5707-96-0
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryWe are a Union of chemistry in China, consists of chemists,engineers, laboratories,factories in China. We organize surplus capacity of R&D and production as well as custom synthesis for chemical products and chemical business project. We are supp
Cas:5707-96-0
Min.Order:1 Metric Ton
FOB Price: $1.0
Type:Trading Company
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
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
Justicidin B CAS NO.5707-96-0 Application:Justicidin B CAS NO.5707-96-0
Justicidin B cas 5707-96-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
1. Timely and efficient service to ensure communication with customers2. Produce products of different specifications and sizes according to your requirements.3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures sta
Hangzhou ZeErRui Chemical Co., Ltd. is focused on customization, research and development and production of APIs and advanced intermediates, which can effectively compensate for the deficiencies of traditional CRO and CMO. Priority of high-tech barri
Justicidin B CAS NO.5707-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:By express (Door to door) such as FEDEX, DHL, EMS for small amount
Cas:5707-96-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
Stable supply of goods and provision of high-quality services Application:As raw materials in the field of medicine and biology
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We
Cas:5707-96-0
Min.Order:10 Kilogram
Negotiable
Type:Trading Company
inquiryShaanxi Cuicheng Biomedical Technology Co., Ltd. is located in Chuangzhi Industrial Park, Economic and Technological Development Zone, Hanzhong City, Shaanxi Province, China. It is a company specializing in natural medicines and high-throughput sc
Cas:5707-96-0
Min.Order:20 Milligram
Negotiable
Type:Trading Company
inquiry1,Best Quality: Our products have exported to Germany, Spain, UK, USA, Australia, Middle East, and so on other countries, and we have got very good feedback from our customers.so
Cas:5707-96-0
Min.Order:10 Gram
FOB Price: $1.0 / 2.0
Type:Trading Company
inquiryWe are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Justicidin B CAS NO.5707-96-0Appearance:off-white fine crystalline powder Storage:Dry and ventilated Package:Standard or as customer's require Application:intermediates Transportation:Delivery by EMS, DHL, FEDEX, UPS, TNT
We are a trading company aiming at providing high-quality services to customers. Established for many years, with good reputation in the industry Storage:Sealed and preserved Application:Fine chemical intermediates, used as the main raw material for
Cas:5707-96-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry4-(3',4'-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxy-3,4-dihydro-2-naphthoic acid γ-lactone
retrochinensin
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In chloroform; benzene for 48h; Heating; | 100% |
2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
retrochinensin
Conditions | Yield |
---|---|
With 1-Phenylbut-1-en-3-one; dihydridotetrakis(triphenylphosphine)ruthenium In toluene for 10h; Heating; | 94% |
With manganese(IV) oxide In dichloromethane at 20℃; for 48h; | 91% |
2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
A
1-(3,4-dimethoxyphenyl)-3-hydroxymethyl-6,7-methylenedioxynaphthalene-2-carboxylic acid lactone
B
retrochinensin
Conditions | Yield |
---|---|
With barium permanganate In dichloromethane at 20℃; for 48h; | A 19% B 80% |
With bis(pyridine)silver permanganate In benzene for 2h; Heating; | A 18.2% B 56.6% |
With pyridinium chlorochromate In chloroform for 12h; Ambient temperature; | A 53.2% B 25.3% |
With silica gel; silver carbonate In benzene for 3h; Heating; | A 14 mg B 58 mg |
6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylic acid 2-ethyl ester
retrochinensin
Conditions | Yield |
---|---|
With lithium borohydride; sodium hydride In tetrahydrofuran; 1,4-dioxane for 28h; Heating; | 72% |
α-(trans-3',4'-methylenedioxybenzylidene)-β-(3,4-dimethoxybenzyl)-γ-butyrolactone
retrochinensin
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 24h; Heating; | 70% |
erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone
retrochinensin
Conditions | Yield |
---|---|
With trifluoroacetic acid for 2h; Heating; | 62% |
With trifluoroacetic acid | 60% |
Conditions | Yield |
---|---|
In dichloromethane at 0℃; for 0.166667h; Diels-Alder Cycloaddition; Flow reactor; Irradiation; regioselective reaction; | A 17.3% B 52.2% |
1-(3',4'-dimethoxyphenyl)-6,7-methylenedioxynaphthalene-2,3-dicarboxylic anhydride
retrochinensin
Conditions | Yield |
---|---|
With sodium tetrahydroborate | 49.5% |
3,4-methylenedioxyphenylethyne
carbon dioxide
3,4-dimethoxyphenylpropargyl chloride
A
justicidin B
B
retrochinensin
Conditions | Yield |
---|---|
With 18-crown-6 ether; silver(I) iodide In N,N-dimethyl acetamide at 100℃; under 760.051 Torr; for 5h; Molecular sieve; | A 16% B 16% |
erythro-3-<3'',4''-dimethoxy-α,α-bis(phenylthio)benzyl>-2-(α-hydroxy-3',4'-methylenedioxybenzyl)-γ-butyrolactone
A
retrochinensin
threo-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
erythro-3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
Conditions | Yield |
---|---|
With tin(IV) chloride In dichloromethane for 1h; Product distribution; Ambient temperature; attempted cyclisations of further derivatives with various acids; |
3-(1',3'-benzodioxol-5'-ylmethylene)-4-(3'',4''-dimethoxybenzyl)dihydrofuran-2(5H)-one
retrochinensin
Conditions | Yield |
---|---|
With 2,3-dicyano-5,6-dichloro-p-benzoquinone In benzene for 24h; Heating; | 16 mg |
dimethyl 6,7-methylenedioxy-(3',4'-dimethoxyphenyl)naphthalene-2,3-dicarboxylate
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 2: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 2: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C View Scheme | |
Multi-step reaction with 2 steps 1: 220 mg / LiAlH4 / tetrahydrofuran / 6 h / Heating 2: 58 mg / silica gel - silver carbonate / benzene / 3 h / Heating View Scheme |
3,4-dimethoxybenzyl-(6-formylbenzo[1,3]dioxol-5-yl)methanone
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C 2: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 3: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C View Scheme | |
Multi-step reaction with 3 steps 1: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C 2: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 3: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C View Scheme |
(3,4-dimethoxyphenyl)-(6-hydroxymethyl-benzo[1,3]dioxol-5-yl)methanol
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 65 percent / pyridinium chlorochromate; Al2O3 / CH2Cl2 / 0.5 h / 20 °C 2: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C 3: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 4: 80 percent / BaMnO4 / CH2Cl2 / 48 h / 20 °C View Scheme | |
Multi-step reaction with 4 steps 1: 65 percent / pyridinium chlorochromate; Al2O3 / CH2Cl2 / 0.5 h / 20 °C 2: 53 percent / NaOMe / methanol; tetrahydrofuran / 3 h / 0 °C 3: 74 percent / LiAlH4 / tetrahydrofuran / 1.5 h / -78 - 0 °C 4: 91 percent / MnO2 / CH2Cl2 / 48 h / 20 °C View Scheme |
diethyl 6,7-methylenedioxy-1-(3,4-dimethoxyphenyl)naphthalene-2,3-dicarboxylate
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 94 percent / potassium trimethylsilanolate / tetrahydrofuran / 5 h / 20 °C 2: 72 percent / NaH; LiBH4 / dioxane; tetrahydrofuran; various solvent(s) / 28 h / Heating View Scheme |
(S)-2-[1-Benzo[1,3]dioxol-5-yl-meth-(E)-ylidene]-3-(3,4-dimethoxy-benzyl)-butane-1,4-diol
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 4.0 mg / MnO2 / acetone / 20 h 2: 16 mg / DDQ / benzene / 24 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 60 percent / NaOMe / methanol / 2 h / Heating 2: 66 percent / Na, ethanol / 6 h / Ambient temperature 3: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) / benzene / 24 h / Heating View Scheme |
(2E,3E)-3-(methoxycarbonyl)-2-((benzo[d][1,3]-dioxol-6-yl)methylene)-4-(3,4-dimethoxyphenyl)but-3-enoic acid
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 66 percent / Na, ethanol / 6 h / Ambient temperature 2: 70 percent / 2,3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) / benzene / 24 h / Heating View Scheme |
α-piperonylidene-β-veratralidenesuccinic anhydride
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 2: 220 mg / LiAlH4 / tetrahydrofuran / 6 h / Heating 3: 58 mg / silica gel - silver carbonate / benzene / 3 h / Heating View Scheme |
((3,4-dimethoxyphenyl)methylene)bis(phenylsulfane)
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) BuLi / 1.) THF, - 78 deg C, 30 min; 2.) THF, -78 deg C, 90 min; 3.) THF, -78 deg C, 2 h 2: 62 percent / trifluoroacetic acid / 2 h / Heating View Scheme | |
Multi-step reaction with 2 steps 2: 60 percent / TFA View Scheme |
3-(3'',4''-dimethoxybenzoyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)butyrolactone
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 95 percent / NaBH4 / methanol / 4 h / 0 °C 2: 86 percent / BuLi / tetrahydrofuran / 2 h / -78 deg C to room temperature 3: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature 4: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating View Scheme | |
Multi-step reaction with 3 steps 1: 95 percent / NaBH4 / methanol / 4 h / 0 °C 2: 50 percent / FSO3Me / CH2Cl2 / 18 h / Ambient temperature 3: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating View Scheme |
erythro-3-(α-benzoyloxy-3'',4''-dimethoxybenzyl)-2-(3',4'-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature 2: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating View Scheme |
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 69 percent / HCl gas / CHCl3 / 1 h / 0 °C 2: 1.) BuLi / 1.) THF, - 78 deg C, 30 min; 2.) THF, -78 deg C, 90 min; 3.) THF, -78 deg C, 2 h 3: 62 percent / trifluoroacetic acid / 2 h / Heating View Scheme |
erythro-3-(α-hydroxy-3'',4''-dimethoxybenzyl)-2-(3,4-methylenedioxy-α-phenylthiobenzyl)-γ-butyrolactone
retrochinensin
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 86 percent / BuLi / tetrahydrofuran / 2 h / -78 deg C to room temperature 2: 15 mg / K2CO3, FSO3Me / CH2Cl2 / 20 h / Ambient temperature 3: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating View Scheme | |
Multi-step reaction with 2 steps 1: 50 percent / FSO3Me / CH2Cl2 / 18 h / Ambient temperature 2: 100 percent / DDQ / benzene; CHCl3 / 48 h / Heating View Scheme |
retrochinensin
2,3-bis-(hydroxymethyl)-6,7-methylenedioxy-1-(3',4'-dimethoxyphenyl)-naphthalene
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; for 6h; | 65% |
About|Contact|Cas|Product Name|Molecular|Country|Encyclopedia
Message|New Cas|MSDS|Service|Advertisement|CAS DataBase|Article Data|Manufacturers | Chemical Catalog
©2008 LookChem.com,License: ICP
NO.:Zhejiang16009103
complaints:service@lookchem.com Desktop View