| ²é¿´: 332 | »Ø¸´: 3 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
| ±¾Ìû²úÉú 1 ¸ö ·ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴 | |||
fengzhengdxlͳæ (³õÈëÎÄ̳)
|
[½»Á÷]
°ïæ·ÒëÒ»¾ä»°
|
||
|
A process for the preparation of calcium salts£¨¸ÆÑΣ© of ketocarboxylic acids£¨ÍªËᣩ comprising reacting ketocarboxylic acids with an amine£¨°·£©, to afford a salt, said salt being soluble in the reaction medium, treating said salt with a source of calcium ion£¨¸ÆÀë×Ó£© to afford the calcium salt of the ketocarboxylic acid, said salt being substantially insoluble in said reaction medium, and isolating said calcium salt from the reaction medium. ÔÚ°ïæ·ÖÎöϾä×ӽṹ ºÃ³¤ºÃ¸´ÔÓµÄÒ»¾ä»° ¸ã²»Çå³þÄǸöÊÇνÓïÀ² |
» ²ÂÄãϲ»¶
±¾¿Æ211£¬293·ÖÇëÇóµ÷¼Á
ÒѾÓÐ6È˻ظ´
085600²ÄÁÏÓ뻯¹¤µ÷¼Á
ÒѾÓÐ25È˻ظ´
±¾9Ò»Ö¾Ô¸2 0854µÍ·Öר˶286Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
085600£¬320·ÖÇóµ÷¼Á
ÒѾÓÐ9È˻ظ´
316Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
0856µ÷¼Á
ÒѾÓÐ8È˻ظ´
278Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
0703Çóµ÷¼Á383·Ö
ÒѾÓÐ3È˻ظ´
400·ÖÇóµ÷¼Á
ÒѾÓÐ3È˻ظ´
085701Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
slowstar
ľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 13
- Ó¦Öú: 12 (СѧÉú)
- ½ð±Ò: 16738.5
- ºì»¨: 2
- Ìû×Ó: 3382
- ÔÚÏß: 803Сʱ
- ³æºÅ: 712881
- ×¢²á: 2009-03-02
- ÐÔ±ð: GG
- רҵ: ÈÈÁ¦Ñ§
¡ï ¡ï
sirljz(½ð±Ò+2):лл½»Á÷ 2010-04-14 19:41
fengzhengdxl(½ð±Ò+2, ·ÒëEPI+1):лл 2010-04-15 08:45
sirljz(½ð±Ò+2):лл½»Á÷ 2010-04-14 19:41
fengzhengdxl(½ð±Ò+2, ·ÒëEPI+1):лл 2010-04-15 08:45
|
A process for the preparation of calcium salts£¨¸ÆÑΣ© of ketocarboxylic acids£¨ÍªËᣩ comprising£º Ò». reacting ketocarboxylic acids with an amine£¨°·£©, to afford( ÒÔ»ñµÃ£© a salt, said salt£¨ËùµÃµÄÑÎ ) being soluble in the reaction medium, ¶þ. treating said salt with a source of calcium ion£¨¸ÆÀë×Ó£© to afford the calcium salt of the ketocarboxylic acid, said salt being substantially insoluble in said reaction medium, Èý. and isolating said calcium salt from the reaction medium. ¸Ã¶Î¶¨Óï¶ÌÓïµÄÖÐÐĴʾÍÊÇA process £¬ÆäËû¶¼ÊÇÃèÊöÏÞÖÆÕâ¸öprocessµÄ¡£ |

2Â¥2010-04-14 17:41:25
fengzhengdxl
ͳæ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 124.5
- Ìû×Ó: 48
- ÔÚÏß: 1.2Сʱ
- ³æºÅ: 432146
- ×¢²á: 2007-08-12
- ÐÔ±ð: MM
- רҵ: ºÏ³ÉÒ©Îﻯѧ
ÔÚ°ïÎÒ¿´¿´Õâ¾ä»°
|
There are a number of methods for preparing calcium salts of carboxylic acids that are well known in the art and that could be initially considered in the instant situation. ÇëÎÊ£º artÔÚÕâÀï ÊÇʲôÒâ˼£¿¿ÉÒÔ·ÒëΪ¡°¹¤ÒÕ¡±Âð and that could be initially considered in the instant situation.ÕâÀïthatÖ¸´úµÄÊÇÄĸö´Ê£¿ instant situation ʲôÒâ˼ |
3Â¥2010-04-15 09:07:27
slowstar
ľ³æ (Ö°Òµ×÷¼Ò)
- ·ÒëEPI: 13
- Ó¦Öú: 12 (СѧÉú)
- ½ð±Ò: 16738.5
- ºì»¨: 2
- Ìû×Ó: 3382
- ÔÚÏß: 803Сʱ
- ³æºÅ: 712881
- ×¢²á: 2009-03-02
- ÐÔ±ð: GG
- רҵ: ÈÈÁ¦Ñ§
|
There are a number of methods for preparing calcium salts of carboxylic acids that are well known in the art and that could be initially considered in the instant situation. ÇëÎÊ£º artÔÚÕâÀï ÊÇʲôÒâ˼£¿¿ÉÒÔ·ÒëΪ¡°¹¤ÒÕ¡±Âð and that could be initially considered in the instant situation.ÕâÀïthatÖ¸´úµÄÊÇÄĸö´Ê£¿ instant situation ʲôÒâ˼ artȷʵ¾ÍÊÇ ¹¤ÒÕ ¡£and that could be initially considered in the instant situation.ÕâÀïthatÖ¸´úµÄÊÇin the art £¬Ò²¾ÍÊÇÖÆ±¸calcium salts of carboxylic acids µÄÕâÖÖ¹¤ÒÕ art ¡£ in the instant situationÎÒÒ²²»¹»Çå³þ£¬²»¹ý¾õµÃÓ¦¸ÃÊÇÖ¸ ÔÚĿǰ¹¤ÒÕ¼¼Êõˮƽ»òÌõ¼þÏ£¬¸Ã¹¤ÒÕÓ¦¸ÃÓÅÏÈ¿¼ÂÇ¡£ |

4Â¥2010-04-15 10:27:56














»Ø¸´´ËÂ¥