反应 #2978315
相关文献 (1)
openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US04450296
反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: A process for preparing 2-methyl-2-phenyl-4-hexanone having the structure: ##STR47## comprising the step of intimately admixing propionic anhydride having the structure: ##STR48## with neophymagnesium chloride having the structure: ##STR49## in the presence of an inert solvent selected from the group consisting of diethylether, toluene and tetrahydrufuran, the reaction taking place in the presence of or in the absence of a cuprous chloride catalyst; the mole ratio of propionic anhydride:neophylmagnesium chloride being from 0.5:1 up to about 2:1; the temperature of reaction being from -10° C. up to 0° C.; the concentration of propionic anhydride in solvent being from about 1 up to about 5 moles of propionic anhydride per liter of solvent; the time of addition of one reactant to the other varying from 0.5 hours up to 4 hours and the time of aging of the reaction mass being from 0.5 up to 4 hours. the temperature of reaction being from -10° C. up to 0° C. the time of addition of one reactant to the other varying from 0.5 hours up to 4 hours being from 0.5 up to 4 hours
来源 ID: ord-99778318ba0c486382fd533fe8c46591