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594306435

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½«aÓë3mL Eaton ÊÔ¼Á»ìºÏ, ÔÚ80 ¡æÓÍÔ¡Ìõ¼þϼÓÈÈ·´Ó¦3 h,ÀäÈ´, ½Á°èϵ¹Èë±ùË®ÖÐ, ÓÃÀäµÄ±¥ºÍ̼ËáÇâÄÆË®ÈÜÒºÖкÍÖÁpHΪ6×óÓÒ, ÓÃÒÒÃÑÌáÈ¡Îå´Î, ºÏ²¢ÌáȡҺ, Óñ¥ºÍ̼ËáÇâÄÆË®ÈÜҺϴµÓÁ½´Î, ÔÙÓÃˮϴÁ½´Î, ·Ö³öÓлú²ã, ÓÃÎÞË®ÁòËáÄÆ¸ÉÔï, ¼õѹ»Ó·¢ÈܼÁ, ²ÐÁô¹ÌÌåÓÃ90%µÄÒÒ´¼ÖؽᾧµÃÂÌÉ«Õë×´¾§Ìå

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594306435(½ð±Ò+5, ·­ÒëEPI+1): thanks 2011-03-10 19:35:19
½«aÓë3mL Eaton ÊÔ¼Á»ìºÏ, ÔÚ80 ¡æÓÍÔ¡Ìõ¼þϼÓÈÈ·´Ó¦3 h,ÀäÈ´, ½Á°èϵ¹Èë±ùË®ÖÐ, ÓÃÀäµÄ±¥ºÍ̼ËáÇâÄÆË®ÈÜÒºÖкÍÖÁpHΪ6×óÓÒ, ÓÃÒÒÃÑÌáÈ¡Îå´Î, ºÏ²¢ÌáȡҺ, Óñ¥ºÍ̼ËáÇâÄÆË®ÈÜҺϴµÓÁ½´Î, ÔÙÓÃˮϴÁ½´Î, ·Ö³öÓлú²ã, ÓÃÎÞË®ÁòËáÄÆ¸ÉÔï, ¼õѹ»Ó·¢ÈܼÁ, ²ÐÁô¹ÌÌåÓÃ90%µÄÒÒ´¼ÖؽᾧµÃÂÌÉ«Õë×´¾§Ìå
a was mixed with 3 mL of Eaton and heated at 80 ¡æ in an oil bath for 3hrs, cooled down, poured into the ice-water, make pH=6 with saturared NaHCO3 aq,
extracthed with ether for 5 times. the oganic layer was combined and washed with saturated NaHCO3 aq twice adn water twice,the organic was then dried with anhydrous sodium sulfate,evaporated and the residue was recrystallized with ethanol(90%) to get a green acicular crystal .
2Â¥2011-03-10 19:24:51
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