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To a solution of ethyl (E)-3-ethyl-6,6-(ethylenedioxy)- 2-hexen-1-oate (2, 1.9 g, 8.3 mmol) in 400 mL of CH2Cl2 at reflux was added FeCl3â6H2O (6.3 g, 2.8 equiv). ÔÚÕâ»°ÖУ¬2.8 equivÊÇĦ¶û±È»¹ÊDZðµÄÒâ˼£¿ |
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Ftian
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7Â¥2010-07-16 01:46:44
zhanglejie
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3Â¥2010-07-13 21:44:50
chenrui7838
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4Â¥2010-07-13 21:46:26
chenrui7838
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5Â¥2010-07-13 21:47:25













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