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The process of U.S. Pat. NO. 1716082 results in oxy-Tobias acid salts which can be converted by amination into Tobias acid, but the yields of salts are only 85 to 90% of theory and the reaction times of 4 to 6 hours lead to poor space-time yields.
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anjianping(½ð±Ò+1):thank you !!~ 2010-07-01 08:36:00
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2. space-time yieldsÊÇʱ¿ÕÊÕÂÊ£¬Ô­ÎÄÒâ˼ÊÇ˵ÏÓ4~6h·´Ó¦Ê±¼äÓе㳤£¬Ì«ºÄʱ¡£
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anjianping

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Originally posted by noleg at 2010-06-25 18:08:47:
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2. space-time yieldsÊÇʱ¿ÕÊÕÂÊ£¬Ô­ÎÄÒâ˼ÊÇ˵ÏÓ4~6h·´Ó¦Ê±¼äÓе㳤£¬Ì«ºÄʱ¡£

ÎÒÈÏΪÕâÀïÊDz»ÊǸüÓ¦¸ÃÊÇÀíÂÛ²úÂÊΪ85-90%£¬ÒòΪËûºóÃæÒ»¾ä˵4-6СʱµÄ·´Ó¦£¬»áµ¼Ö¸üÉÙµÄÊÕÂÊ£¬Ò²¾ÍÊÇ˵±¾À´ÊÕÂʾͲ»¸ã£¬µ«ÊÇ£¬Èç¹ûÏñÄã˵µÄÊÇÀíÂÛÊÕÂʵÄ85-90%£¬ÕâÔÚÓлú·´Ó¦ÀïÃæ£¬ÒѾ­Ó¦¸ÃÊÇÒ»¸ö½Ï¸ßµÄÊÕÂÊ£¬ÔÙ¾ÍÊÇSpace-time yield ¾ÍÊÇÊÕÂÊ
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