Adding a certain compound to certain chemical reactions, such as: 33993-24-7, name is Cyclopropanecarboxylic anhydride, belongs to esters-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 33993-24-7, Computed Properties of C8H10O3
[0410] A solution of 315D (50.6 mg, 0.19 mmol) and cyclopropanecarboxylic acid anhydride (302 mg, 1.96 mmol) in dioxane (2 mL) was heated to 93 C. overnight. The mixture was concentrated in vacuo, diluted with EtOAc and washed with satd. Aq. KHCO3 solution (2×). The organic extract was dried (Na2SO4), filtered and concentrated. The residue was triturated with ether to obtain the title compound (11 mg, 17%) as a white solid.
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Reference:
Patent; Das, Jagabandhu; Padmanabha, Ramesh; Chen, Ping; Norris, Derek J.; Doweyko, Arthur M.P.; Barrish, Joel C.; Wityak, John; Lombardo, Louis J.; Lee, Francis Y.F.; US2004/54186; (2004); A1;,
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