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Cas:137688-20-1
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
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:137688-20-1
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
A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc
Cas:137688-20-1
Min.Order:4 Kilogram
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:137688-20-1
Min.Order:1 Metric Ton
FOB Price: $7.0 / 8.0
Type:Trading Company
inquiryThe process is mature and can be mass produced to 100 kg, with good quality and purity up to 99%.The product has a large stock and can be supplied stably. Package:bottle Application:Drug R&D Transportation:Sealed drying(25℃) Port:ShangHai
Cas:137688-20-1
Min.Order:1 Gram
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.
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
Supply top quality products with a reasonable price Application:api
(R)-(+)-1,2-EPOXY-5-HEXENECASAppearance: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
Cas:137688-20-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryGood 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
Best Seller, High Quality, Competitive Price, Fast Delivery, Quick ResponseAppearance:powder, or liquid Storage:Stored in room temperature, ventilated place Package:Bottle, barrel, cargo, container, etc. Application:Pharmaceuticals, intermediates, AP
Cas:137688-20-1
Min.Order:0
Negotiable
Type:Trading Company
inquiryZhengzhou Kingorgchem Chemical Technology Co., Ltd. was founded on the basis of Organophosphorus Chemistry Lab of Institute of Chemistry Henan Academy of Sciences in 2015. The laboratory covers 600 m2 and the pilot plant covers 2000 m2. Kingorgchem i
Cas:137688-20-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
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
United 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
Shanghai AngewChemCo., Ltd. is an innovative enterprise on fine chemicals and pharmaceuticals. Based on Shanghai R&D center and Hunan chemical manufacturing plant, we offer chemical research, process development, and large-scale production. Complete
Cas:137688-20-1
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiry(2R)-2-(BUT-3-EN-1-YL)OXIRANEAppearance:yellow to white solid 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 or F
(+)-1,2-epoxyhex-5-ene 137688-20-1 99%+ Storage:dry and ventilated place Package:suitable for shipping Application:(+)-1,2-epoxyhex-5-ene 137688-20-1 99%+ Transportation:air or sea shipping Port:shanghai
Cas:137688-20-1
Min.Order:0 Metric Ton
Negotiable
Type:Trading Company
inquiryKnown for its best quality and competitve price, this chemicals we offered is widely appreciated by our customers.Appearance:yellow to white solid Storage:keep sealed and keep from direct light Package:According client's requirements Application:Phar
(+)1,2-Epoxyhex-5-eneAppearance: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. Protect them
high purity Application:Drug intermediates Materials intermediates and active molecules
1,2-epoxy-5-hexene
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With (R,R) Co(salen); water Jacobsen kinetic racemate resolution; | 86% |
With (1R,2R)-(-)-N,N'-bis(3,5-di-tert-butylsalicydene)-1,2-cyclohexanediaminocobalt(II); acetic acid In tetrahydrofuran; water at 0 - 20℃; for 23h; Inert atmosphere; | 49% |
With (-)-chloro((1R,2R)-4,4',6,6'-tetra-tert-butyl-2,2'-[cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolato)manganese(III) In water at 20℃; Jacobsen Asymmetric Epoxidation; | 40% |
1,2-epoxy-5-hexene
A
(S)-hex-5-ene-1,2-diol
B
(R)-2-(but-3-en-1-yl)oxirane
C
(-)-(S)-2-(but-3-enyl)oxirane
Conditions | Yield |
---|---|
With (1R,2R)-(-)-N,N'-bis(3,5-di-tert-butylsalicydene)-1,2-cyclohexanediaminocobalt(II); air; acetic acid In tetrahydrofuran at 0 - 20℃; | A 44% B n/a C n/a |
1,2-epoxy-5-hexene
A
(R)-1,2-dihydroxy-5-hexene
B
(R)-2-(but-3-en-1-yl)oxirane
C
(-)-(S)-2-(but-3-enyl)oxirane
Conditions | Yield |
---|---|
With [(S,S)-N,N’-bis(3,5-di-tertbutylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(II); air; acetic acid In tetrahydrofuran at 0 - 20℃; | A 44% B n/a C n/a |
1,2-epoxy-5-hexene
A
(S)-hex-5-ene-1,2-diol
B
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With (1R,2R)-(-)-N,N'-bis(3,5-di-tert-butylsalicydene)-1,2-cyclohexanediaminocobalt(II); air; acetic acid In tetrahydrofuran at 0 - 20℃; for 10h; | A 44% B n/a |
With (1R,2R)-(-)-N,N'-bis(3,5-di-tert-butylsalicydene)-1,2-cyclohexanediaminocobalt(II); air; acetic acid In tetrahydrofuran at 20℃; for 16h; | A n/a B 43% |
1,2-epoxy-5-hexene
A
(S)-hex-5-ene-1,2-diol
B
(R)-1,2-dihydroxy-5-hexene
C
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With (1R,2R)-(-)-N,N'-bis(3,5-di-tert-butylsalicydene)-1,2-cyclohexanediaminocobalt(II); air; acetic acid In tetrahydrofuran at 20℃; for 16h; | A n/a B n/a C 43.1% |
1,2-epoxy-5-hexene
B
(R)-2-(but-3-en-1-yl)oxirane
C
(-)-(S)-2-(but-3-enyl)oxirane
Conditions | Yield |
---|---|
C64H74Cl2Co2N4O4; bis(triphenylphosphoranylidene)-ammonium acetate In toluene at 0℃; for 0.183333h; Product distribution / selectivity; | A 35% B n/a C n/a |
1,2-epoxy-5-hexene
A
(R)-2-(but-3-en-1-yl)oxirane
B
(-)-(S)-2-(but-3-enyl)oxirane
Conditions | Yield |
---|---|
With Rhodotorula glutinis CIMW 147 cells In phosphate buffer at 30℃; pH=7.5; kinetic resolution; Title compound not separated from byproducts; |
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With methanol; potassium carbonate In diethyl ether Cyclization; |
1,5-Hexadien
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
Multi-step reaction with 4 steps 1: AD-mix-β 2: PPTS 3: CH3COBr; Et3N 4: K2CO3; MeOH / diethyl ether View Scheme |
(R)-1,2-dihydroxy-5-hexene
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: PPTS 2: CH3COBr; Et3N 3: K2CO3; MeOH / diethyl ether View Scheme |
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: CH3COBr; Et3N 2: K2CO3; MeOH / diethyl ether View Scheme |
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With [(R,R)-N,N'-bis(3,5-di-tert-butylsalicylidene)-1,2-cyclohexanediaminato(2-)]cobalt(III) acetate In diethyl ether; water at 0 - 20℃; | 672 mg |
methanol
carbon monoxide
(R)-2-(but-3-en-1-yl)oxirane
methyl (R)-(-)-3-hydroxyhepr-6-enoate
Conditions | Yield |
---|---|
With 3-HYDROXYPYRIDINE; dicobalt octacarbonyl In tetrahydrofuran at 60℃; under 31028.9 Torr; for 9h; | 95% |
N-benzylmethanesulfonamide
(R)-2-(but-3-en-1-yl)oxirane
N-benzyl-N-(2-hydroxy-hex-5-enyl)-methanesulfonamide
Conditions | Yield |
---|---|
tetraethylammonium chloride; potassium carbonate In 1,4-dioxane at 100℃; | 94% |
n-butyllithium
(R)-2-(but-3-en-1-yl)oxirane
(5S)-dec-1-en-5-ol
Conditions | Yield |
---|---|
With copper(I) cyanide In tetrahydrofuran at 20℃; for 3h; Inert atmosphere; | 90% |
N-benzylpropane-1-sulfonamide
(R)-2-(but-3-en-1-yl)oxirane
Propane-1-sulfonic acid benzyl-((R)-2-hydroxy-hex-5-enyl)-amide
Conditions | Yield |
---|---|
tetraethylammonium chloride; potassium carbonate In 1,4-dioxane at 100℃; | 87% |
Conditions | Yield |
---|---|
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique; Stage #2: (R)-2-(but-3-en-1-yl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78℃; for 1h; Schlenk technique; | 87% |
Stage #1: prop-1-yne With n-butyllithium In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique; Stage #2: With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78℃; for 0.5h; Schlenk technique; Stage #3: (R)-2-(but-3-en-1-yl)oxirane In tetrahydrofuran; hexane at -78℃; for 1h; Schlenk technique; | 87% |
(R)-2-(but-3-en-1-yl)oxirane
(1R,2R,5S)-bicyclo[3.1.0]hexan-2-ol
Conditions | Yield |
---|---|
Stage #1: (R)-2-(but-3-en-1-yl)oxirane With n-hexyllithium; 2,2,6,6-tetramethyl-piperidine In hexane; tert-butyl methyl ether at -5 - 0℃; for 8h; Stage #2: With hydrogenchloride In hexane; tert-butyl methyl ether; water at 0℃; Product distribution / selectivity; | 86% |
Stage #1: (R)-2-(but-3-en-1-yl)oxirane With 2,2,6,6-tetramethyl-piperidine; n-hexyllithium In hexanes; tert-butyl methyl ether at -5 - 0℃; for 4h; Stage #2: With hydrogenchloride In hexanes; tert-butyl methyl ether; water at 0℃; | 86% |
With 2,2,6,6-tetramethylpiperidinyl-lithium In hexane at 20℃; for 16h; | 72% |
5-chloro-2-fluorobenzene-1-sulfonyl chloride
benzylamine
(R)-2-(but-3-en-1-yl)oxirane
C19H20ClNO3S
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 84% |
4-(trimethylsilyl)morpholine
carbon monoxide
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
Stage #1: 4-(trimethylsilyl)morpholine; carbon monoxide; (R)-2-(but-3-en-1-yl)oxirane With dicobalt octacarbonyl In ethyl acetate at 25℃; under 760 Torr; for 24h; Stage #2: With hydrogenchloride In ethyl acetate at 20℃; for 0.166667h; | A n/a B 80% |
Conditions | Yield |
---|---|
Stage #1: (R)-2-(but-3-en-1-yl)oxirane; benzylmagnesium chloride With copper(l) chloride In tetrahydrofuran at -10 - 0℃; Stage #2: With hydrogenchloride In tetrahydrofuran; methanol; water at 0 - 10℃; for 1h; regioselective reaction; | 80% |
4-chloro-2-fluorobenzenesulfonyl chloride
benzylamine
(R)-2-(but-3-en-1-yl)oxirane
C19H20ClNO3S
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 76% |
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 76% |
(S)-3-(tert-butyldimethylsilyloxy)but-1-yne
(R)-2-(but-3-en-1-yl)oxirane
(5R,9S)-9-(tert-Butyl-dimethyl-silanyloxy)-dec-1-en-7-yn-5-ol
Conditions | Yield |
---|---|
Stage #1: (S)-3-(tert-butyldimethylsilyloxy)but-1-yne With n-butyllithium In tetrahydrofuran; hexane at 0℃; for 0.333333h; Stage #2: (R)-2-(but-3-en-1-yl)oxirane With boron trifluoride diethyl etherate In tetrahydrofuran; hexane at -78 - 20℃; for 1.16667h; | 74% |
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With Co(dimethylglyoximate)2(py)iPr; potassium tert-butylate In methanol at 34℃; for 24h; Jacobsen Rearrangement; Inert atmosphere; Irradiation; regioselective reaction; | 74% |
2-chloro-6-methylbenzenesulfonyl chloride
benzylamine
(R)-2-(but-3-en-1-yl)oxirane
C20H24ClNO3S
Conditions | Yield |
---|---|
With potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 59% |
2-fluorobenzenesulfonyl chloride
benzylamine
(R)-2-(but-3-en-1-yl)oxirane
C19H21NO3S
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 58% |
Conditions | Yield |
---|---|
With potassium carbonate In 1,4-dioxane at 100℃; for 72h; | 48% |
t-butylsulfonamide
(R)-2-(but-3-en-1-yl)oxirane
2-Methyl-propane-2-sulfonic acid ((R)-2-hydroxy-hex-5-enyl)-amide
Conditions | Yield |
---|---|
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In 1,4-dioxane at 90℃; for 16h; | 45% |
With N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate In 1,4-dioxane at 90℃; for 16h; | 45% |
benzylamine
(R)-2-(but-3-en-1-yl)oxirane
2-chlorophenylsulfonyl chloride
C19H21NO3S
Conditions | Yield |
---|---|
With tetrabutylammomium bromide; potassium carbonate In N,N-dimethyl-formamide at 120℃; for 72h; | 25% |
Conditions | Yield |
---|---|
With hydrogen; toluene-4-sulfonic acid; dicobalt octacarbonyl 1.) 1000 psi; Yield given; Multistep reaction. Yields of byproduct given; |
N-benzylhydroxylamine hydrochloride
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With sodium methylate In methanol at 20℃; for 0.25h; Ring cleavage; | |
With triethylamine In methanol at 20℃; for 96h; Inert atmosphere; | |
With triethylamine In methanol at 20℃; for 96h; Inert atmosphere; |
(hex-5-enyl)magnesium bromide
(R)-2-(but-3-en-1-yl)oxirane
(S)-5-hydroxydodeca-1,11-diene
Conditions | Yield |
---|---|
With copper(l) iodide Ring cleavage; |
1-morpholino-2-trimethylsilyl acetylene
(R)-2-(but-3-en-1-yl)oxirane
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In dichloromethane at 0 - 5℃; for 0.5h; |
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