Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 298  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

yinjuanchen

Ìú¸Ëľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

dahuihui(½ð±Ò+8, ·­ÒëEPI+1): 2011-05-10 11:06:24
Further examination of the literature indicated that only a few reports of the Suzuki¨CMiyaura reaction of 2-pyridyl nucleophiles with aryl halides have appeared, and in these examples, only aryl iodides have been demonstrated as suitable coupling partners. The difficulty can be attrib-uted tos everal factors:1) Electron-deficient hetero aryl boron derivatives undergo transmetalation at a relatively slow rate, and 2) these reagents rapidly decompose by a protodeboro-nation pathway.
ÎÒÃDzéÔÄÁ˺ܶàÎÄÏ×£¬·¢ÏÖÓкÜÉÙµÄÎÄÏ×±¨µÀ2λßÁऻùµÄ±´ú·¼ÌþÄÜ·¢ÉúSuzuki¨CMiyaura żÁª·´Ó¦£¨Áåľ-¹¬ÆÖ·´Ó¦£©£¬²¢ÇÒÖ»Óеâ´ú·¼ÌþÄÜ×÷ΪºÏÊʵÄżºÏÌå¡£Ô­Òò¿ÉÄÜÊÇ£º1£©µç×ÓȱʧµÄ·¼»ùÅðÑÜÉúÎï·¢ÉúÂýËٵķ´½ðÊô»¯×÷Óã»2£©ÕâЩÊÔ¼Á¾­¹ýÅð»¯Ð§ÓÃѸËٷֽ⡣
ÓлúÒ©Æ··­²»×¼£¬ÆÚ´ý¸ßÊÖ£¬ÐéÐÄѧϰ.....
±Õ¹Ø£¬Ð´Ð´Ð´
2Â¥2011-05-09 11:11:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ dahuihui µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 353Çóµ÷¼Á +5 Çç¿ÕÍòÀïair 2026-04-07 5/250 2026-04-08 09:30 by oooqiao
[¿¼ÑÐ] Çóµ÷¼Á +11 Æâluck 2026-04-07 11/550 2026-04-07 22:59 by lbsjt
[¿¼ÑÐ] ר˶085403£¬291·Ö£¬ÓÐÁ½Æª×¨Àû£¬Ò»¹úÒ»½± +3 ¹þ¼ªßä¹þ¼ªßä 2026-04-07 3/150 2026-04-07 18:21 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 277Çóµ÷¼Á +13 Äß½¨Éè 2026-04-06 13/650 2026-04-07 15:46 by °¡¿¡£¡
[¿¼ÑÐ] 272·ÖÇóµ÷¼Á +4 wangyile2233 2026-04-02 4/200 2026-04-05 22:21 by 286640313
[¿¼ÑÐ] ¼ÆËã»ú11408£¬286·ÖÇóµ÷¼Á +7 ľ×ÓÄî•„ 2026-04-05 7/350 2026-04-05 19:02 by chy09050039
[¿¼ÑÐ] 348Çóµ÷¼Á +6 wukira 2026-04-04 6/300 2026-04-05 18:11 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸µç×ӿƼ¼´óѧ085600²ÄÁÏÓ뻯¹¤ 329·ÖÇóµ÷¼Á +10 Naiko 2026-04-04 10/500 2026-04-05 09:40 by sam3303
[¿¼ÑÐ] 277Çóµ÷¼Á +4 12A3 2026-04-02 5/250 2026-04-04 20:28 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸ÉϺ£´óѧÉúÎïѧ346 +3 ÉϺ£´óѧ346µ÷¼Á 2026-04-03 3/150 2026-04-04 20:20 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +6 cs0106 2026-04-03 6/300 2026-04-04 11:20 by w_xuqing
[¿¼ÑÐ] 0710ÉúÎïѧ336·ÖÇóµ÷¼Á +6 kiyy 2026-04-01 8/400 2026-04-04 10:10 by kiyy
[¿¼ÑÐ] ¿¼Ñе÷¼Á +5 СsunÒªºÃÔË 2026-04-03 5/250 2026-04-03 21:43 by à£à£à£0119
[¿¼ÑÐ] ¿¼Ñе÷¼Á +8 ²»°®ºÈÒûÁÏ 2026-04-03 8/400 2026-04-03 16:40 by Mistake-J
[¿¼ÑÐ] 321Çóµ÷¼Á +17 y-yh 2026-04-01 20/1000 2026-04-03 12:57 by y-yh
[¿¼ÑÐ] 266·Ö£¬Ò»Ö¾Ô¸µçÆø¹¤³Ì£¬±¾¿Æ²ÄÁÏ£¬Çó²ÄÁÏרҵµ÷¼Á +9 ÍÛºôºßºôºß 2026-04-02 9/450 2026-04-03 12:05 by 1753564080
[¿¼ÑÐ] 313Çóµ÷¼Á +3 ¡«Î¢Î¢Á¹¡« 2026-04-03 3/150 2026-04-03 11:25 by à£à£à£0119
[¿¼ÑÐ] ÉúÎïѧ˶341Çóµ÷¼Á +4 ÄãЦÆðÀ´ÏñÔÆ¶ä 2026-04-03 4/200 2026-04-03 10:32 by macy2011
[¿¼²©] É격ÇóÖú +3 Reee1Llll 2026-04-01 3/150 2026-04-02 22:29 by ÕâÊÇÒ»¸öÎÞÁĵÄê
[¿¼ÑÐ] 285Çóµ÷¼Á +8 AZMK 2026-04-02 11/550 2026-04-02 20:16 by yulian1987
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û