Zibo 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:627-53-2
Min.Order:10 Gram
FOB Price: $100.0
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:627-53-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryProduct Description Description & Specification Category Pharmaceutical Raw Materials, Fine Chemicals, Bulk drug Standard Medical standard
Cas:627-53-2
Min.Order:1 Kilogram
FOB Price: $112.0
Type:Trading Company
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:627-53-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryChangzhou Extraordinary Pharmatech co., LTD. As a leading chemical manufacturer and supplier in China.DAS authentication is passed.We can provide the popular precursor chemicals, we have our own strong R & D team, have our own laboratories and fa
Ethane, 1,1'-selenobis-(9CI)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 Air,By c
Supply top quality products with a reasonable price Application:api
Conditions | Yield |
---|---|
With potassium hydroxide; selenium; hydrazine hydrate at 40 - 50℃; | 99% |
diethyl selenoxide
diethylselenium
Conditions | Yield |
---|---|
With hexamethyldisilathiane In dichloromethane at 40℃; for 2h; | 97% |
Conditions | Yield |
---|---|
With potassium hydroxide; selenium; hydrazine hydrate at 35 - 40℃; | 83% |
With piazselenole; magnesium 1.) diethyl ether, 2.) diethyl ether, reflux, 15 min; Yield given. Multistep reaction; |
ethyl bromide
A
diethylselenium
B
divinyl selenide
C
vinyl ethyl selenide
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; tin(ll) chloride; acetylene at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
ethyl bromide
acetylene
A
diethylselenium
B
divinyl selenide
C
vinyl ethyl selenide
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; tin(ll) chloride at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
acetylene
A
diethylselenium
B
divinyl selenide
C
vinyl ethyl selenide
Conditions | Yield |
---|---|
With potassium hydroxide; red selenium; water; ethidium Bromide; tin(ll) chloride at 105 - 115℃; under 9120 Torr; for 5h; | A 4% B 21% C 44% |
Conditions | Yield |
---|---|
With molybdenum (IV) sulfide; selen(o) hydrogen at 220℃; |
ethaneselenol
sodium ethanolate
A
diethylselenium
B
triselenoorthoformic acid triethyl ester
Conditions | Yield |
---|---|
folgendes Behandeln mit CCl4; |
Conditions | Yield |
---|---|
With selenium(IV) oxide at 50℃; |
Conditions | Yield |
---|---|
With selenium(IV) oxide |
Conditions | Yield |
---|---|
With potassium hydroxide; phosphorus selenide |
4-ethylselanyl-but-1-en-3-yne
diethylcalcium
A
3-buten-1-yne
B
diethylselenium
Conditions | Yield |
---|---|
With water |
4-ethylselanyl-but-1-en-3-yne
diethylstrontium
A
3-buten-1-yne
B
diethylselenium
Conditions | Yield |
---|---|
With water |
Conditions | Yield |
---|---|
at 300 - 350℃; |
Conditions | Yield |
---|---|
at 50℃; |
ethyl bromide
A
Diethyl disulfide
B
diethyl sulphide
C
diethylselenium
D
ethyl ethylselenosulfenate
Conditions | Yield |
---|---|
With sodium hydroxide; selenium; sulfur; hydrazine hydrate In water at 52 - 56℃; Product distribution; Further Variations:; Reagents; |
ethyl bromide
A
Diethyl disulfide
B
diethyl diselenide
C
diethyl sulphide
D
diethylselenium
Conditions | Yield |
---|---|
With sodium hydroxide; selenium; sulfur; hydrazine hydrate In water at 35℃; Product distribution; Further Variations:; Reagents; | A 29.7 % Chromat. B 36.2 % Chromat. C 2.2 % Chromat. D 5.5 % Chromat. |
ethyl bromide
A
Diethyl disulfide
B
diethyl diselenide
C
diethylselenium
D
ethyl ethylselenosulfenate
Conditions | Yield |
---|---|
With sodium hydroxide; selenium; sulfur; hydrazine hydrate In water at 35℃; Further byproducts given; | A 29.7 % Chromat. B 36.2 % Chromat. C 5.5 % Chromat. D 25.9 % Chromat. |
propionic acid
diethylselenium
Conditions | Yield |
---|---|
With sodium selenite; sodium selenate In water UV-irradiation; |
Conditions | Yield |
---|---|
With ethanol; phosphan In ethanol | |
With ethanol In ethanol at 150°C in an autoclave;; | |
With PH3; ethanol In ethanol | |
With ethanol In ethanol at 150°C in an autoclave;; |
Conditions | Yield |
---|---|
at 460℃; | 100% |
In methanol at 440℃; for 1.28333h; | 89.5% |
With Diethyl disulfide at 510℃; | |
With methanol thermolysis; | |
With methanol Thermolysis; |
Conditions | Yield |
---|---|
In hexane Ar-atmosphere; stoich. amts.; removal of volatiles, sublimation; elem. anal.; | 96% |
diethylselenium
(N,N'-bis(2-phenylethyl)-2,6-pyridinedicarboxamidato)(η1-acetonitrile)palladium(II)
[N,N'-bis(2-phenylethyl)-2,6-pyridinedicarboxamidato](diethylselenide)palladium(II)
Conditions | Yield |
---|---|
In dichloromethane (N2); dissolving of Pd(NCMe)(C5H3N(CONCH2CH2Ph)2) in CH2Cl2; addn. of SeEt2; stirring overnight; addn. of heptane, filtration of suspn., washing with heptane, drying in vac., elem. anal.; | 81% |
In chloroform-d1 (N2); dissolving of Pd(NCMe)(C5H3N(CONCH2CH2Ph)2) in CDCl3; addn. of SeEt2; monitoring by NMR; |
diethylselenium
N-tosyl-2-vinylbenzamide
Conditions | Yield |
---|---|
With lithium perchlorate In acetonitrile at 20℃; for 0.0166667h; Electrochemical reaction; Green chemistry; | 78% |
Conditions | Yield |
---|---|
In dichloromethane under N2 atm. to suspn. ZrI4 in CH2Cl2 Et2Se was added and stirred for 24 h; soln. was filtered and evapd. in vacuo, residue was washed with hexane and dried in vacuo; elem. anal.; | 31% |
Conditions | Yield |
---|---|
In dichloromethane under N2 atm. to suspn. ZrCl4 in CH2Cl2 Et2Se was added and stirred for 96 h; ppt. was dried in vacuo; elem. anal.; | 30% |
Conditions | Yield |
---|---|
In toluene under N2 atm. to suspn. HfI4 in toluene Et2Se was added and stirred for 24 h; ppt. was filtered and dried in vacuo; elem. anal.; | 21% |
diethylselenium
benzaldehyde
A
biphenyl
B
ethyl phenyl selenide
C
diphenylselenide
D
diphenyl diselenide
Conditions | Yield |
---|---|
In gas at 500℃; | A 14% B 9% C 19% D 8% |
diethylselenium
Diethylselenium dibromide
Conditions | Yield |
---|---|
With tetrachloromethane; bromine |
Conditions | Yield |
---|---|
und man zerlegt das Bromid durch Silberoxyd; |
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