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A solution of carboxylic acid (0.10 mol), alcohol (0.15 mol) in appropriate dichloromethane containing active carbon supported MSA (1.2 g) was stirred at room tem- perature ÒÔÉÏÊÇÔÎÄÎÄÏ×£¬ÎÒÏëÎÊÏÂÕâÀïÃæÒª¼Ó»îÐÔ̼£¬Ä¿µÄÊÇʲô£¬²Ù×÷ÉÏÓÐʲôÐèҪעÒâµÄÂ𣿠|
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2Â¥2011-05-09 15:03:10
kiss121137
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jiangchunyong: ÇëÎð¹àË®£¡Ð»Ð»ºÏ×÷£¡ 2011-05-09 20:23:03
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3Â¥2011-05-09 15:05:42
wanggch123
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novus(½ð±Ò+1): ллָ½Ì£¬»¶Ó³£À´Ò©Ñ§°æ£¡ 2011-05-09 19:21:01
kiss121137(½ð±Ò+20): 2011-05-10 14:31:27
novus(½ð±Ò+1): ллָ½Ì£¬»¶Ó³£À´Ò©Ñ§°æ£¡ 2011-05-09 19:21:01
kiss121137(½ð±Ò+20): 2011-05-10 14:31:27
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½é¸ö»îÐÔ̼²»ÊÇÖ±½Ó¼ÓµÄÎÄÕÂÖÐ˵active carbon supported MSA (1.2 g) ¾ÍÊÇ»îÐÔ̼ÊÇMSAµÄÔØÌ壬ÖÁÓÚMSAÊÇʲôÎÒ²»ÏþµÃ£¬Ó¦¸ÃÊÇÂòÀ´µÄʱºò£¬MSA¾ÍÊǺͻîÐÔ̼ÔÚÒ»ÆðÂòÀ´µÄ¡£ÊÇÒ»¸ö»ìºÏÎï¡£ Õâ¸öºÜÏëpd/c¡£ÊǰÑpdÎü¸½ÔÚ̼µÄÔØÌåÉÏ£¬´Ó¶ø¸üÎȶ¨£¬´ß»¯»îÐÔ¸ü¸ß¡£ |

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