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The solution was refluxed for 3 h, cooled, poured onto 200 g of ice, and allowed to stand overnight. The yellow solid was crystallized from a small volume of acetone cooled with dry ice, to give 14.5 g

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С¾²Ð¡Öí: ½ð±Ò+5, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú 2013-10-08 10:51:50
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2Â¥: Originally posted by phu_grassman at 2013-10-08 10:46:21
ÈÜÒº»ØÁ÷3 hºóÀäÈ´£¬µ¹Èë200 g±ù¿éÖУ¬¾²ÖùýÒ¹¡£ÔڸɱùÀäÈ´Ï£¬¼ÓÈëÉÙÁ¿±ûͪºóÓлÆÉ«¹ÌÌå½á¾§³öÀ´£¬²úÁ¿Îª14.5 g.

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