C₂₀H₂₀O₄

Base Information

• Chemical Name: C₂₀H₂₀O₄
• CAS No.: 1256294-17-3
• Molecular Formula: C₂₀H₂₀O₄
• Molecular Weight: 324.376
• Mol file: 1256294-17-3.mol

Synonyms:C₂₀H₂₀O₄

Chemical Property of C₂₀H₂₀O₄

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of C₂₀H₂₀O₄

There total 6 articles about C₂₀H₂₀O₄ which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 74.0%

3-butenyl benzoate (18203-32-2) + acrylic acid methyl ester (292638-85-8,9003-21-8,96-33-3) → (E)-5-methoxy-5-oxopent-3-enyl benzoate (1025728-70-4) + C20H20O4 (1256294-17-3)

Guidance literature:

With [RuCl₂(SIMes)(P(p-Tolyl)3)(3-phenylinden-1-ylidene)]; In dichloromethane; at 20 ℃; for 5h; stereoselective reaction; Inert atmosphere;

DOI:10.1002/chem.201000659

Reference yield: 70.0%

acrylic acid n-butyl ester (141-32-2,9003-49-0) + 3-butenyl benzoate (18203-32-2) → C20H20O4 (1256294-17-3) + C16H20O4 (1433985-13-7)

Guidance literature:

With (1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-yl)((2-ethyl-3-oxo-4-(4-(pyridinium-1-ylmethyl)phenylcarbonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)methylene)ruthenium(II) dichloride hexafluorophosphate(V); In dichloromethane; at 20 ℃; for 3.5h; Inert atmosphere;

DOI:10.1002/chem.201201589

Reference yield: 70.0%

3-butenyl benzoate (18203-32-2) + acrylic acid methyl ester (292638-85-8,9003-21-8,96-33-3) → (Z)-5-methoxy-5-oxopent-3-enyl benzoate + (E)-5-methoxy-5-oxopent-3-enyl benzoate (1025728-70-4) + C20H20O4 (1256294-17-3)

Guidance literature:

With (1,3-bis(2,6-diisopropylphenyl)imidazolidin-2-yl)((2-ethyl-3-oxo-4-(4-(pyridinium-1-ylmethyl)phenylcarbonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazin-8-yl)methylene)ruthenium(II) dichloride immobilized on silica gel functionalized p-toluenesulfonate; In toluene; at 80 ℃; for 1.5h; Schlenk technique; Inert atmosphere;

DOI:10.1002/chem.201201589

upstream raw materials:

allyl n-decyl ether

3-butenyl benzoate

acrylic acid methyl ester

acrylonitrile

Refernces

• 1、 Borre, Etienne,Rouen, Mathieu,Laurent, Isabelle,Magrez, Magaly,Caijo, Frederic,Crevisy, Christophe,Solodenko, Wladimir,Toupet, Loic,Frankfurter, Rene,Vogt, Carla,Kirschning, Andreas,Mauduit, Marc. "A fast-initiating ionically tagged ruthenium complex: A robust supported pre-catalyst for batch-process and continuous-flow olefin metathesis". . p. 16369 - 16382. Retrieved 2013/02/22.
• 2、 Hryniewicka, Agnieszka,Morzycki, Jacek W.,Witkowski, Stanis?aw. "New efficient ruthenium metathesis catalyst containing chromenyl ligand". experimental part. p. 1265 - 1270. Retrieved 2010/06/13.