Synthesis Route for 1095822-21-1

1095822-20-0
ethyl 2-(4-hydro...
~58%
1095822-21-1
ethyl 2-(4,6-dic...

Reference:

Shepherd, Timothy Alan; Dally, Robert Dean; Joseph, Sajan Patent: US2010/120801 A1, 2010 ; Location in patent: Page/Page column 61 ;