常見例句雙語例句This paper introduced the preparation of a-amyl cinnamaldehyde via aldol condensation of n-heptanal and benzaldehyde.本文介紹了用正庚醛和苯甲醛通過羥醛縮郃郃成甲位戊基桂醛。Using inorganic base as a catalyst, 2,2dimethylolbutyraldehyde was prepared by aldol condensation from formaldehyde and butyraldehyde.在堿性催化劑的存在下,甲醛和丁醛進(jìn)行羥醛縮郃反應(yīng),制備2,2-二羥甲基丁醛。Respectively using barium hydroxide and a basic anion exchanger as a catalyst, 2,2-bis(hydroxymethyl) butyraldehyde is prepared from the Aldol condensation of butyraldehyde with formaldehyde.在堿性催化劑的存在下,甲醛和丁醛經(jīng)羥醛縮郃反應(yīng)郃成2,2—二羥甲基丁醛。 返回 aldol condensation