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机构地区:[1]渝州大学化学系,重庆400033 [2]四川省日用化学工业研究所,重庆400065
出 处:《重庆大学学报(自然科学版)》2001年第3期146-149,共4页Journal of Chongqing University
基 金:重庆市科学基金资助的攻关项目! (99 5 85 6 )
摘 要:报道了一种绿色合成胡椒基丙酮 [55418 52 5]的方法。这种不污染环境的合成方法是用香桂叶油制备的胡椒烯丙酮 [3160 37 0 ]用 5%的Pd/C催化剂催化加氢。香桂叶油是植物香桂 (Cin namomumPetrophilumNeesChao .)的树叶含有的香精油。胡椒基丙酮是一种名贵的单体香料和一些药物的合成中间体。该工艺无生产废水和废渣排放 ,由洋茉莉醛能合成 85.A green route to the synthesis of piperonyl acetone [55418-52-5] is reported. This environmental-pollutionfree synthesis of piperonyl acetone involves the hydrogenation of piperonylene- acetone {4-(1,3-benzedioxole)-3-buten-2-one [3160-37-0]} from Cinnamomum Petrophilum Leaves Oil catalyzed by 5% Pd/C. The Cinnamomum Petrophilum Leaves Oil is an essential oil from leaves of a plant of Cinnamomum Petrophilum Nees Chao. The piperonyl acetone is a perfume and an intermediate of some medicines. Thus, a mixt. of 1 908.0 grams (purity 99.6%) of piperonyleneacetone, 15 grams of 5% Pd/C, and 6 000 mL of ethanal was stirred for 3.0 hours at 120℃ under hydrogen pressure of 1.5 MPa to give 1 671.5 grams of piperonyl acetone (purity 98.9%, yield 86.1%). This process can be given 85.8% yield of piperonyl acetone from piperonal[120-57-0] without any waste and waste water.
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