Technology Process of Carbamic acid, bis(1-methylethyl)-, 4-phenyl-1,3-butadienyl ester,
(E,E)-
There total 6 articles about Carbamic acid, bis(1-methylethyl)-, 4-phenyl-1,3-butadienyl ester,
(E,E)- 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:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) lithiation, 2.) silylation
2: 68 percent / H2 / nickel / cis-hydrogenation by the method of Brown
3: 1.) n-butyllithium, TMEDA, 2.) diisobutylaluminium methanesulfonate (5) / 1.) hexane, ether, 1 h, -78 deg C, 2.) tert.-butyl methyl ether, -78 deg C, 1 h
4: 80 percent / borontrifluoride etherate / CH2Cl2 / 15 h / -78 °C
With
n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisobutylaluminium methanesulfonate (5); boron trifluoride diethyl etherate; hydrogen;
nickel;
In
dichloromethane;
DOI:10.1016/S0040-4039(00)61897-X
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 68 percent / H2 / nickel / cis-hydrogenation by the method of Brown
2: 1.) n-butyllithium, TMEDA, 2.) diisobutylaluminium methanesulfonate (5) / 1.) hexane, ether, 1 h, -78 deg C, 2.) tert.-butyl methyl ether, -78 deg C, 1 h
3: 80 percent / borontrifluoride etherate / CH2Cl2 / 15 h / -78 °C
With
n-butyllithium; N,N,N,N,-tetramethylethylenediamine; diisobutylaluminium methanesulfonate (5); boron trifluoride diethyl etherate; hydrogen;
nickel;
In
dichloromethane;
DOI:10.1016/S0040-4039(00)61897-X