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:473-13-2
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
Cas:473-13-2
Min.Order:1 Gram
Negotiable
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:473-13-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
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
Cas:473-13-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryJ&H CHEM 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. J&H CHEM has some Manufacturing base in Jia
Cas:473-13-2
Min.Order:0
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:473-13-2
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiry1, High quality with competitive price:2, Fast and safe delivery3.Excellent pre-sales and after-sales service4. Well-trained and professional technologist and sales with rich experience in the field for 5-10 yearsAppearance:see detailed specification
Cas:473-13-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryLower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe
Cas:473-13-2
Min.Order:0
Negotiable
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:473-13-2
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:473-13-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
Good Quality Package:1kg/bag Application:Medical or chemical Transportation:Air/Train/Sea Port:Shenzhen
factory?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
Best 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
Naphthalene,1,2,3,4,4a,5,6,8a-octahydro-4a,8-dimethyl-2-(1-methylethenyl)-, (2R,4aR,8aR)- Storage:keep in dry and cool condition Package:25kg or according to cutomer's demand Application:Chemical research/pharma intermediate Transportation:By Sea,by
Cas:473-13-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryFINETECH INDUSTRY LIMITED is a LONDON based CRO company providing drug discovery & development services to worldwide clients. FINETECH INDUSTRY LIMITED supplies the ALPHA-SELINENE, CAS:473-13-2 with the most competitive price and the best quality. We
High Purity, Supplement, Prompt shipment Application:intermediate of liquid crystal
(-)-3α-chloro-4βH-eudesm-11,12-ene
α-selinene
Conditions | Yield |
---|---|
With lithium carbonate; lithium bromide In N,N-dimethyl-formamide at 138 - 140℃; for 5h; | 86% |
(R)-(+)-germacrene A
A
5α,7αH-eudesm-11(13)-en-4α-ol
B
α-cyperene
C
α-selinene
D
beta-selinene
Conditions | Yield |
---|---|
With silica gel In diethyl ether at 20℃; for 24h; | A 23% B n/a C n/a D n/a |
selina-4(15),7(11)-diene
α-selinene
Conditions | Yield |
---|---|
With formic acid |
(-)-dihydro-α-cyperol
α-selinene
Conditions | Yield |
---|---|
(i) H3BO3, toluene, (ii) (pyrolysis); Multistep reaction; | |
Multi-step reaction with 2 steps 1: 88 percent / PPh3-NCS / tetrahydrofuran / 3 h 2: 86 percent / LiBr, Li2CO3 / dimethylformamide / 5 h / 138 - 140 °C View Scheme | |
Multi-step reaction with 2 steps 1: Py 2: 400 °C View Scheme |
Dihydro-α-cyperyl-ethylcarbonat
α-selinene
Conditions | Yield |
---|---|
at 400℃; |
2-(4-nitro-benzoyloxy)-2-((1R)-4c-methyl-4t-vinyl-3c-isopropenyl-cyclohexyl-(r))-propane
α-selinene
Conditions | Yield |
---|---|
at 195 - 200℃; |
α-selinene
Conditions | Yield |
---|---|
With potassium hydroxide at 30 - 70℃; | |
With aniline at 100 - 140℃; |
(R)-(+)-germacrene A
A
α-cyperene
B
α-selinene
C
beta-selinene
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 0.116667h; |
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: 86 percent / Li, liq.NH3 / diethyl ether / 25 h / -78 °C 2: 92 percent / LAH, t-BuOH / tetrahydrofuran / 18 h / 0 - 20 °C 3: 88 percent / PPh3-NCS / tetrahydrofuran / 3 h 4: 86 percent / LiBr, Li2CO3 / dimethylformamide / 5 h / 138 - 140 °C View Scheme | |
Multi-step reaction with 2 steps 1: Na, nPrOH 2: (i) H3BO3, toluene, (ii) (pyrolysis) View Scheme | |
Multi-step reaction with 3 steps 1: Na, nPrOH 2: Py 3: 400 °C View Scheme | |
Multi-step reaction with 3 steps 1: LiNH2, liq. NH3 / diethyl ether 2: LiAlH4, tBuOH / tetrahydrofuran 3: (i) H3BO3, toluene, (ii) (pyrolysis) View Scheme | |
Multi-step reaction with 4 steps 1: LiNH2, liq. NH3 / diethyl ether 2: LiAlH4, tBuOH / tetrahydrofuran 3: Py 4: 400 °C View Scheme |
(-)-Dihydro-α-cyperone
α-selinene
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 92 percent / LAH, t-BuOH / tetrahydrofuran / 18 h / 0 - 20 °C 2: 88 percent / PPh3-NCS / tetrahydrofuran / 3 h 3: 86 percent / LiBr, Li2CO3 / dimethylformamide / 5 h / 138 - 140 °C View Scheme | |
Multi-step reaction with 2 steps 1: LiAlH4, tBuOH / tetrahydrofuran 2: (i) H3BO3, toluene, (ii) (pyrolysis) View Scheme | |
Multi-step reaction with 3 steps 1: LiAlH4, tBuOH / tetrahydrofuran 2: Py 3: 400 °C View Scheme |
α-selinene
beta-selinene
A
4α(H)-eudesmane
B
4β(H)-eudesmane
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation; |
α-selinene
A
2,3,4,4a,5,6-hexahydro-1,4a-dimethyl-7-(1-methylethyl)-naphthalene
B
1.4a-dimethyl-7-isopropyl-1.2.3.4.4a.5-hexahydro-naphthalene
Conditions | Yield |
---|---|
With sulfuric acid |
Conditions | Yield |
---|---|
at 310 - 315℃; Leiten des Dampfes ueber Platin-Kohle; |
α-selinene
4α(H)-eudesmane
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation; | |
With ethyl acetate; platinum Hydrogenation; | |
With hydrogen; platinum(IV) oxide |
Conditions | Yield |
---|---|
With hydrogen; platinum(IV) oxide |
sulfuric acid
α-selinene
A
2,3,4,4a,5,6-hexahydro-1,4a-dimethyl-7-(1-methylethyl)-naphthalene
Conditions | Yield |
---|---|
With acetic acid; platinum Hydrogenation; |
Conditions | Yield |
---|---|
at 205℃; |
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