Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 387  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

houlu666

Òø³æ (СÓÐÃûÆø)

[ÇóÖú] °ïæ·­Òëлл£¡

Despite the efficacy of the [Pd2(dba)3]/1 catalyst system for the reactions of lithium triisopropyl 2-pyridylborates with arylbromides , more modest yields of the desired biaryls were obtained in the reactions of the corresponding aryl or heteroaryl chlorides.Employing 2 as the supporting ligand, however, provided a more active catalyst for this transformation.For example, the reaction of A with
4-chloroben-zonitrile furnished the desired productin 73% yield (Table3,entry1) .

» ²ÂÄãϲ»¶

ÕÒ¹¤×÷ÖУ¡£¡£¡
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

chemistry2228

Í­³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
sltmac(½ð±Ò+9, ·­ÒëEPI+1): »¶Ó­³£À´~~~ 2011-05-16 20:03:01
ÔÚlithium triisopropyl 2-pyridylborates ºÍäå´ú·¼ÌþµÄ·´Ó¦ÖÐÓÉÓÚ [Pd2(dba)3]/1µÄ´ß»¯Ð§¹ûÒ²ÄÜ´ïµ½Ï൱µÄ²úÂÊ¡£È»¶øÔÚÕâ¸ö¹ý³ÌÖÐÈç¹û¼ÓÈë2×öÅäÌåµÄ»°£¬´ß»¯¼ÁµÄ»îÐÔ»á¼ÓÇ¿¡£±ÈÈ磬AÓë4-chloroben-zonitrileµÄ·´Ó¦²úÂʿθߴï73%¡£
2Â¥2011-05-10 14:29:03
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ houlu666 µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] »úеר˶273ÇëÇóµ÷¼Á +3 ¸ýÉêÈÉÉê 2026-04-07 3/150 2026-04-07 23:28 by Ò»Ö»ºÃ¹û×Ó?
[¿¼ÑÐ] Çóµ÷¼Á +8 ÔÂ@163.com 2026-04-07 10/500 2026-04-07 19:10 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á£¡ +24 RichLi_ 2026-04-06 24/1200 2026-04-07 17:17 by À¶ÔÆË¼Óê
[¿¼ÑÐ] Ò»Ö¾Ô¸Î÷µç085401Çóµ÷¼Á +4 sunw1306 2026-04-07 4/200 2026-04-07 16:40 by à£à£à£0119
[¿¼ÑÐ] 283Çóµ÷¼Á +18 A child 2026-04-04 18/900 2026-04-07 12:30 by 1018329917
[¿¼ÑÐ] Çóµ÷¼Á +12 ÐܶþÏëÉϰ¶ 2026-04-04 12/600 2026-04-07 12:07 by Sammy2
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +10 cs0106 2026-04-05 12/600 2026-04-06 19:41 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 320·ÖÈ˹¤ÖÇÄܵ÷¼Á +8 Õñ¡ªTZ 2026-04-03 8/400 2026-04-05 22:33 by ·¶Ê½Ë¼Î¬
[¿¼ÑÐ] 327Çóµ÷¼Á +4 ʰ¹âÈÎȾ 2026-04-05 4/200 2026-04-05 20:16 by ÄϺ½~ÍòÀÏʦ
[¿¼ÑÐ] ±¾¿Æ211£¬293·ÖÇëÇóµ÷¼Á +8 Á«²Ë¾ÍÊÇź°É 2026-04-03 9/450 2026-04-05 19:12 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +3 Àî¹ã»ð 2026-04-05 3/150 2026-04-05 18:57 by À¶ÔÆË¼Óê
[¿¼ÑÐ] һ־Ըͬ¼Ã´óѧ323·Ö£¨080500£©Çóµ÷¼Á +8 yikeniu 2026-04-01 8/400 2026-04-05 18:15 by cql1109
[¿¼ÑÐ] ¹¤¿Æ277·ÖÇóµ÷¼Á²ÄÁÏ +8 ÉÏÁËÉÏÁËÉÏŶ 2026-04-05 9/450 2026-04-05 13:05 by wwytracy
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +8 ÏàÐűػá¹ââÍòÕ 2026-04-05 10/500 2026-04-05 12:19 by Hdyxbekcb
[¿¼²©] É격 +7 IQwQl 2026-04-04 7/350 2026-04-04 23:32 by mumin1990
[¿¼ÑÐ] 306Çóµ÷¼Á +3 hybÉÏÃû¹¤ 2026-04-02 3/150 2026-04-04 18:12 by ÈÈÇéɳĮ
[¿¼ÑÐ] 0710ÉúÎïѧ336·ÖÇóµ÷¼Á +6 kiyy 2026-04-01 8/400 2026-04-04 10:10 by kiyy
[¿¼ÑÐ] µ÷¼Á0855-288 +5 xÐܶþa 2026-04-03 5/250 2026-04-04 00:19 by Öí»á·É
[¿¼ÑÐ] 08ÉúÎïÓëҽҩר˶³õÊÔ346ÕÒµ÷¼Á +6 dianeeee 2026-04-01 7/350 2026-04-02 08:23 by guoweigw
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄϾ©Ê¦·¶´óѧ¼ÆËã»úר˶£¬³õÊÔ373£¬Áù¼¶Í¨¹ý£¬ +3 ¼ÆËã»ú×·ÃÎÈË 2026-04-01 3/150 2026-04-02 07:57 by fxue1114
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û