Dayangchem's R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities
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inquiryThe above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi
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inquiry1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s
Cas:7158-25-0
Min.Order:1 Gram
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Type:Manufacturers
inquiry1. Product advantages ♦ High purity, all above 98.5%, no impurities after dissolution ♦ We will test each batch to ensure quality ♦ OEM and private brand services designed for free ♦ Various cap colors available ♦ W
Cas:7158-25-0
Min.Order:1 Kilogram
FOB Price: $7.0 / 9.0
Type:Trading Company
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
Cas:7158-25-0
Min.Order:1 Gram
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Type:Lab/Research institutions
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
Cas:7158-25-0
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWe are leading fine chemicals supplier in China with ISO certificate, Our main business covers the fields below: 1.Noble Metal Catalysts (Pt.Pd...) 2.Organic Phosphine Ligands (Tert-butyl-phosphine.Cyclohexyl-phosphine...) 3.OLED
Cas:7158-25-0
Min.Order:1 Gram
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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:7158-25-0
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
Cas:7158-25-0
Min.Order:0
Negotiable
Type:Manufacturers
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
Cas:7158-25-0
Min.Order:0
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Type:Lab/Research institutions
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:7158-25-0
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Type:Lab/Research institutions
inquirybest seller Application:API
Cas:7158-25-0
Min.Order:0
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Type:Manufacturers
inquirybulk productiongoods in stockswe have the best competitive price in the marketmeantime,we are committed to service to our every customer Chemsigma International Co.,Ltd. is a chemical manufacturer, specialize in custom synthesis and organic chemical
Cas:7158-25-0
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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:7158-25-0
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Type:Lab/Research institutions
inquirybest seller Application:API
Cas:7158-25-0
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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:7158-25-0
Min.Order:0
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Type:Lab/Research institutions
inquiryGood Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
best seller Application:API
Cas:7158-25-0
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Type:Trading Company
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:7158-25-0
Min.Order:0
Negotiable
Type:Trading Company
inquiryPrice, 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
BaiFuChem is a Professional chemical raw material supplier in China, our main products include Biochemical , Pharma Intermediate and Organic chemical etc. BaiFuChem have wealth of products,experience , expertise and state-of-the-art
Cas:7158-25-0
Min.Order:1 Kilogram
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Type:Other
inquiryBest quality & Attractive price & Professional service; Trial & Pilot & CommercialHenan Fine Chemicals Co., LTD. is a diversified technology - oriented integrated company, which mainly concentrates on fine chemicals. Our company is committed to becom
instock with good quality and offer wholesale priceAppearance:standard Storage:Keep in a cool & dry place Package:Packing material and QTY as your request Application:Pharma;Industry;other application Transportation:Express or as your request Port:A
Cas:7158-25-0
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryIKGCHEM is a leading manufacturer and supplier of chemical in China.As a Professional chemical raw material supplier,our products are produced in accordance with ISO 9001:2015 Quality Management System and ISO14001:15203 Environmental Management Syst
Cas:7158-25-0
Min.Order:0
Negotiable
Type:Trading Company
inquiry3A,4,4A,5,8,8A,9,9A-Octahydro-4,9:5,8-Dimethano-1H-Benz[F]Indene Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by Air,By courier like DHL o
Cas:7158-25-0
Min.Order:0
Negotiable
Type:Trading Company
inquirygood quality and best price Application:intermediates
Cas:7158-25-0
Min.Order:0
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Type:Lab/Research institutions
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid or powder Storage:keep sealed and keep from direct light Package:According client's requirements Applic
Cas:7158-25-0
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Type:Lab/Research institutions
inquirybi(cyclopentadiene)
cyclopenta-1,3-diene
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 130℃; under 3800 Torr; for 12h; stainless steel tube; | 10% |
at 150℃; under 15001.5 Torr; for 12h; Diels-Alder reaction; Inert atmosphere; | 67 g |
endo-Dicyclopentadien
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 150 - 160℃; |
cyclopenta-1,3-diene
buta-1,3-diene
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 170 - 210℃; |
tetracyclo<4.4.12,5.17,10.01,6>dodec-3-ene
A
norborn-2-ene
B
ethene
C
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
D
cyclopenta-1,3-diene
Conditions | Yield |
---|---|
at 240 - 300℃; Kinetics; Thermodynamic data; ΔH(excit), ΔS(excit); retro dien reaction; |
norborn-2-ene
cyclopenta-1,3-diene
A
tetracyclo<4.4.12,5.17,10.01,6>dodec-3-ene
B
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
C
endo,exo,endo,exo-hexacyclo<6.6.12,7.13,6.09,14.110,13>heptadec-4-ene
Conditions | Yield |
---|---|
With 2,6-di-tert-butyl-4-methyl-phenol at 60 - 140℃; Kinetics; Thermodynamic data; ΔH(excit), ΔS(excit); |
bi(cyclopentadiene)
allyl alcohol
A
1,2,3,4,4a,5,8,8a-octahydro-1,4:5,8-dimethanonaphthalene-2-methanol
B
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
C
Δ1,7-dodecahydro-4,11;5,10;6,9-trimethano-cyclopenta[b]anthracene
D
5-hydroxymethyl-2-norbornene
Conditions | Yield |
---|---|
at 200℃; for 3h; |
bi(cyclopentadiene)
A
3-ethyl-3-(5-norbornene-2-methoxy)methyloxetane
B
C19H28O2
C
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 170℃; |
bi(cyclopentadiene)
trimethylol propane diallyl ether
D
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 180℃; |
1,4-butenediol
bi(cyclopentadiene)
A
octahydrodimethanonaphtalenedimethanol
B
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
C
Δ1,7-dodecahydro-4,11;5,10;6,9-trimethano-cyclopenta[b]anthracene
D
5,6-bis(hydroxymethyl)bicyclo<2.2.1>hept-2-ene
Conditions | Yield |
---|---|
at 195 - 200℃; for 6h; |
bi(cyclopentadiene)
cyclopenta-1,3-diene
A
pentacyclo[6.5.1.13.6.0 2, 7.0 9,13]pentadecane-4,10-diene
B
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
at 155 - 160℃; under 1500.15 Torr; for 10h; Alder-Ene Reaction; |
2-methylfuran
bi(cyclopentadiene)
A
pentacyclo[6.5.1.13.6.0 2, 7.0 9,13]pentadecane-4,10-diene
B
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
With acidic zeolite at 150℃; under 3750.38 Torr; for 5h; Reagent/catalyst; Temperature; Diels-Alder Cycloaddition; Autoclave; Inert atmosphere; |
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
exo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadec-4-ene
Conditions | Yield |
---|---|
With allylchloro[1,3-bis(2,6-di-isopropylphenyl)imidazol-2-ylidine]palladium(II); hydrogen In dichloromethane at -78 - 25℃; under 15001.5 Torr; for 12h; Solvent; Pressure; Reagent/catalyst; Autoclave; | 100% |
Stage #1: endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene In dichloromethane Inert atmosphere; Stage #2: With allylchloro[1,3-bis(2,6-di-isopropylphenyl)imidazol-2-ylidine]palladium(II); hydrogen In dichloromethane under 15001.5 Torr; regioselective reaction; |
carbon monoxide
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
hydrogen
Conditions | Yield |
---|---|
With triphenyl phosphite; (acetylacetonato)dicarbonylrhodium (l) In toluene at 130℃; under 52505.3 Torr; for 3h; | 99.2% |
With (acetylacetonato)dicarbonylrhodium (l); tris(2,4-di-tert-butylphenyl)phosphite In 1,2-diisopropylbenzene at 130℃; under 7 Torr; for 3h; | 99.4% |
With (acetylacetonato)dicarbonylrhodium (l); tris(2,4-di-tert-butylphenyl)phosphite In 2,2,4-trimethylpentane at 130℃; under 52505.3 Torr; for 3h; | 99.2% |
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
pentacyclo<9.2.1.02,10.13,9.04,8>pentadecane
Conditions | Yield |
---|---|
With bis(cyclopentadienyl)titanium dichloride; n-butyllithium In hexane; benzene-d6 at -78 - 20℃; for 5h; | |
With hydrogen at 120℃; under 7500.75 Torr; for 6h; Catalytic behavior; Reagent/catalyst; |
endo,exo,endo-pentacyclo<6.5.1.02,7.13,6.09,13>pentadeca-4,10-diene
Conditions | Yield |
---|---|
With 3-chloro-benzenecarboperoxoic acid In chloroform at -10 - 20℃; for 12h; Large scale; | 2.8 kg |
With peracetic acid; sodium acetate In water at 10 - 30℃; for 39h; Reagent/catalyst; | |
With 3-chloro-benzenecarboperoxoic acid In chloroform at -10 - 20℃; for 12h; Large scale; | 2.8 kg |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate at 100℃; for 7h; Inert atmosphere; |
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: boron trifluoride diethyl etherate / 7 h / 100 °C / Inert atmosphere 2: triethylamine / tetrahydrofuran / 24 h / 60 °C View Scheme |
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