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ChemicalBook CAS DataBase List 1,4-Piperidinedicarboxylic acid, 4-methyl-, 1-(1,1-dimethylethyl) 4-methyl ester

1,4-Piperidinedicarboxylic acid, 4-methyl-, 1-(1,1-dimethylethyl) 4-methyl ester synthesis

6synthesis methods
-

Yield:724790-59-4 100%

Reaction Conditions:

Stage #1: 1-tert-Butyl 4-methyl piperidine-1,4-dicarboxylatewith potassium hexamethylsilazane in tetrahydrofuran;toluene at -78; for 1 h;Inert atmosphere;
Stage #2: methyl iodide in tetrahydrofuran;toluene at 20; for 20 h;Inert atmosphere;

References:

Atobe, Masakazu;Blakemore, David C.;Bond, Paul S.;Chan, Ngai S.;De Fusco, Claudia;Downes, Thomas D.;Firth, James D.;Hubbard, Roderick E.;Jones, S. Paul;Klein, Hanna F.;O'Brien, Peter;Roughley, Stephen D.;Vidler, Lewis R.;Waddelove, Laura;Whatton, Maria Ann;Wheldon, Mary C.;Woolford, Alison J.-A.;Wrigley, Gail L. [Chemistry - A European Journal,2020] Location in patent:supporting information