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ChemicalBook CAS DataBase List ETHYL 3-BUTYNOATE
53841-07-9

ETHYL 3-BUTYNOATE synthesis

3synthesis methods
-

Yield: 65%

Reaction Conditions:

Stage #1:ethyl acetoacetate with lithium hexamethyldisilazane in tetrahydrofuran at -78; for 0.75 h;Inert atmosphere;
Stage #2: with trifluoromethylsulfonic anhydride in tetrahydrofuran at -78; for 1.25 h;Ineret atmosphere;Further stages;

References:

Maity, Pradip;Lepore, Salvatore D. [Journal of Organic Chemistry,2009,vol. 74,# 1,p. 158 - 162] Location in patent:supporting information; experimental part