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:33300-85-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s
Cas:33300-85-5
Min.Order:1 Kilogram
FOB Price: $40.0 / 50.0
Type:Lab/Research institutions
inquiryZhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed
Cas:33300-85-5
Min.Order:1 Kilogram
FOB Price: $2.0
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:33300-85-5
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
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.
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryAppearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Trading Company
inquirySupply top quality products with a reasonable price Application:api
factory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
home-produced Application:medicine
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Price, service, company and transport advantage: 1. Best service, place of origin China, high quality, and reasonable price. 2. It's customers' right to choose the package (EMS, DHL, FEDEX, UPS). 3. It's customers' right
Henan Wising Chem specializes in sourcing chemicals in China. We are associated with many trusted manufacturers each having different areas of expertise required for meeting the needs of our local as well as overseas buyers. We have access to custom
Cas:33300-85-5
Min.Order:10 Gram
Negotiable
Type:Lab/Research institutions
inquiryUnited Scientific Company Located in Shanghai of China , is a competitive player in the global specialty and fine chemical market. Fenghua has both the expertise and flexibility to produce a wide range of chemicals. Focusing on developing the innovat
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry5H-Benzo[b]phosphindole, 5-chloro-Appearance:Off white to slight yellow solid Storage:Store in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/Pharmaceutical intermediates Transportation:By Sea,by Ai
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Trading Company
inquiry5H-Benzo[b]phosphindole, 5-chloro-Appearance:Off white to slight yellow solid Storage:Stored in shaded, cool and dry places Package:1L 5L 10L 25L bottle Application:pharma intermediate Transportation:Handle with cares to avoid damaging the packages.
Cas:33300-85-5
Min.Order:0
Negotiable
Type:Trading Company
inquirybiphenyl-2,2'-diyl-bis-lithium
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
With phosphorus trichloride In tetrahydrofuran | 69% |
5-oxo-5H-5λ5-dibenzophosphol-5-ol
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
(i) PCl5, (ii) P; Multistep reaction; |
2-Phenylphen-1-oxydichlorphosphan
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
(pyrolysis); |
(1,1'-biphenyl)-2-diazonium tetrafluoroborate
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
(i) PCl3, CuBr, EtOAc, (ii) Al; Multistep reaction; |
2,2'-dibromobiphenyl
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
Stage #1: 2,2'-dibromobiphenyl With tert.-butyl lithium In tetrahydrofuran; pentane at -78℃; for 4h; Inert atmosphere; Stage #2: With phosphorus trichloride In tetrahydrofuran; pentane at -198 - 20℃; Inert atmosphere; | |
Stage #1: 2,2'-dibromobiphenyl With n-butyllithium In diethyl ether at 0 - 20℃; for 1h; Stage #2: With phosphorus trichloride In diethyl ether at -196 - 20℃; | |
Stage #1: 2,2'-dibromobiphenyl With n-butyllithium In diethyl ether at 0 - 20℃; for 1h; Stage #2: With phosphorus trichloride at -196 - 20℃; |
Conditions | Yield |
---|---|
Stage #1: 2,2'-dibromobiphenyl With n-butyllithium In diethyl ether; hexane at 0 - 25℃; for 1h; Inert atmosphere; Schlenk technique; Stage #2: With phosphorus trichloride In diethyl ether; hexane at -198 - 25℃; for 0.25h; Inert atmosphere; Schlenk technique; |
4,5-dibromo-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene
9-Chlorodibenzophosphole
4,5-bis(9-dibenzo[b,d]phospholyl)-2,7-di-tert-butyl-9,9-dimethylxanthene
Conditions | Yield |
---|---|
With n-butyllithium In tetrahydrofuran 1.) -60 deg C, 1 h, 2.) -60 deg C, 1 h; 20 deg C, 16 h; | 67% |
Stage #1: 4,5-dibromo-2,7-di-tert-butyl-9,9-dimethyl-9H-xanthene With n-butyllithium In tetrahydrofuran at -60℃; for 2h; Stage #2: 9-Chlorodibenzophosphole In toluene at -60 - 20℃; | 52% |
Conditions | Yield |
---|---|
Stage #1: C16H11BrN2 With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 2h; Stage #2: 9-Chlorodibenzophosphole In tetrahydrofuran; hexane at 20℃; | 67% |
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
Stage #1: 5-bromo-5H-dibenzophosphole; 9-Chlorodibenzophosphole With sulfur In toluene at 110℃; for 16h; Inert atmosphere; Schlenk technique; Stage #2: With sodium monohydrogen sulfide x-hydrate In water at 90℃; for 1h; Inert atmosphere; Schlenk technique; Stage #3: With hydrogenchloride In water Acidic conditions; | 54% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; dichloromethane at -78 - 20℃; for 16h; Inert atmosphere; | 46% |
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
Stage #1: bis(tert-butyl-η5-cyclopentadienyl)iron With N,N,N,N,-tetramethylethylenediamine; tert.-butyl lithium In pentane at 0 - 20℃; Inert atmosphere; Schlenk technique; Stage #2: 9-Chlorodibenzophosphole In tetrahydrofuran at -80 - 20℃; Inert atmosphere; Schlenk technique; diastereoselective reaction; | 42% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; dichloromethane at -78 - 20℃; for 16h; Inert atmosphere; | 34% |
Conditions | Yield |
---|---|
With triethylamine In chlorobenzene at 0 - 20℃; Inert atmosphere; Schlenk technique; | 31% |
9-Chlorodibenzophosphole
Conditions | Yield |
---|---|
Stage #1: 1,1’-diisopropylferrocene With N,N,N,N,-tetramethylethylenediamine; tert.-butyl lithium In pentane at -78 - 20℃; Inert atmosphere; Schlenk technique; Stage #2: 9-Chlorodibenzophosphole In tetrahydrofuran at -80 - 20℃; Inert atmosphere; Schlenk technique; diastereoselective reaction; | 27% |
Conditions | Yield |
---|---|
With triethylamine In tetrahydrofuran; dichloromethane at -78 - 20℃; for 16h; Inert atmosphere; | 24% |
2,6-bis<(tetrahydro-2H-2-pyranyloxy)methyl>phenyl bromide
9-Chlorodibenzophosphole
5-(2,6-bis-tetrahydropyran-2-yloxymethyl-phenyl)-5H-benzo[b]phosphindole
methylmagnesium bromide
9-Chlorodibenzophosphole
5-methyl-5H-dibenzophosphole
2,6-bis<(tetrahydro-2H-2-pyranyloxy)methyl>phenyl bromide
sodium tetraphenyl borate
9-Chlorodibenzophosphole
methyl iodide
Conditions | Yield |
---|---|
(i) nBuLi, (ii) /BRN= 513811/, (iii) MeI, /BRN= 3599783/; Multistep reaction; |
9-Chlorodibenzophosphole
5-oxo-5H-5λ5-dibenzophosphol-5-ol
Conditions | Yield |
---|---|
With dihydrogen peroxide | |
With dihydrogen peroxide |
9-Chlorodibenzophosphole
5-chloro-5H-benzo[b]phosphindole 5-sulfide
Conditions | Yield |
---|---|
With sulfur |
9-Chlorodibenzophosphole
(S)-2-hydroxy-3,3,N-trimethyl-butyramide
Conditions | Yield |
---|---|
With n-butyllithium; diisopropylamine 1.) THF, hexane, -78 deg C, 1 h, 2.) THF, hexane, -78 deg C, 1 h; Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
Stage #1: C9H13BrO2 With tert.-butyl lithium In tetrahydrofuran Stage #2: 9-Chlorodibenzophosphole In tetrahydrofuran |
9-Chlorodibenzophosphole
5-phenyl-5H-dibenzophosphole-5-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: aq. H2O2 View Scheme |
9-Chlorodibenzophosphole
5,5-dimethyl-5H-benzo[b]phosphindolium; iodide
9-Chlorodibenzophosphole
5-methyl-5-phenyl-5H-benzo[b]phosphindolium; iodide
9-Chlorodibenzophosphole
5-methyl-5H-dibenzophosphole 5-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: aq. H2O2 View Scheme |
9-Chlorodibenzophosphole
5-phenyl-5H-benzo[b]phosphindole 5-sulfide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: sulfur View Scheme |
9-Chlorodibenzophosphole
5-methyl-5H-benzo[b]phosphindole 5-sulfide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 2: sulfur View Scheme |
9-Chlorodibenzophosphole
5-oxo-5H-5λ5-benzo[b]phosphindole-5-thiol
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: sulfur 2: H2O / acetone; ethanol View Scheme |
9-Chlorodibenzophosphole
5-chloro-5H-benzo[b]phosphindole 5-oxide
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: aq. H2O2 2: PCl5 View Scheme |
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