Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 437  |  »Ø¸´: 2
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

123Îâ¶¹¶¹

ľ³æ (ÖøÃûдÊÖ)

[ÇóÖú] Çó°ÑÕâÁ½¾ä»°·­Òë³ÉººÓï

This low-field shift is compatible with the existence of a hydrogen bonding to the carbonyl group of the ester, and the large vicinal coupling is consistent with a
trans-periplanar relationship between the vicinal hydrogens.

The lack of formation of the 1,2-hygrogen migration product which is frequently formed in the Lewis acid-catalyzed azirination renders support to the cat-ion radical mechanism.

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

ÓÀÔ¶µÄNO.1

½û³æ (ÎÄ̳¾«Ó¢)

±¾ÌûÄÚÈݱ»ÆÁ±Î

3Â¥2014-02-23 16:32:42
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 3 ¸ö»Ø´ð

wangjun890

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
°®ÓëÓêÏÂ: ½ð±Ò+1 2014-02-15 14:12:31
123Îâ¶¹¶¹: ½ð±Ò+10, ·­ÒëEPI+1 2014-02-24 10:13:47
µÍ³¡Î»ÒÆÓëõ¥ÉÏôÈ»ùÇâ¼üÊÇÒ»Öµģ¬´óµÄÁÚ½üñîºÏÒ²ÓëÁÚλÇâÖ®¼äµÄ·´µþ¹ØÏµ.

ÔÚ·Ò×˹Ëá-´ß»¯µÄ Azirination·´Ó¦Öо­³£³öÏÖµÄ1,2-ÇâÇ¨ÒÆ²úÎïÐγɵÄȱ·¦ÌṩÁ˶ÔÕýÀë×Ó×ÔÓÉ»ù»úÀíµÄÖ§³Ö¡£
2Â¥2014-02-15 13:43:22
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] ¼ÆËã»ú11408 287 Çóµ÷¼Á +3 LiLe5 2026-04-07 3/150 2026-04-07 23:15 by shanqishi
[¿¼ÑÐ] 331Çóµ÷¼Á +5 ÕÅÔªÒ» 2026-04-07 6/300 2026-04-07 22:13 by hemengdong
[¿¼ÑÐ] ũѧ£¬Çóµ÷¼Á£¬314·Ö +4 ·Ã¿Í¼Ç¼¿É°® 2026-04-04 4/200 2026-04-07 21:07 by µÈ°¶
[¿¼ÑÐ] Ò»Ö¾Ô¸ÄϿƴóÉúÎïѧ297·Ö£¬Çóµ÷¼ÁÍÆ¼ö +8 Y-yyusx 2026-04-06 9/450 2026-04-07 19:38 by biomichael
[¿¼ÑÐ] ÉúÎ﹤³ÌÇóµ÷¼Á +13 ϲ»¶»¹ÊDz»¸ÊÐÄ 2026-04-05 13/650 2026-04-07 16:55 by Ecowxq666£¡
[¿¼ÑÐ] 277Çóµ÷¼Á +13 Äß½¨Éè 2026-04-06 13/650 2026-04-07 15:46 by °¡¿¡£¡
[¿¼ÑÐ] 26×ÔÈ»µØÀíѧ303·ÖÇóµ÷¼Á +4 Ò»Õ½³É˶°¡°¡°¡° 2026-04-06 9/450 2026-04-06 20:35 by lin-da
[¿¼ÑÐ] ÉúÎïÓëÒ½Ò©Çóµ÷¼Á +7 heguanhua 2026-04-05 8/400 2026-04-06 18:41 by macy2011
[¿¼ÑÐ] 085405Èí¼þ¹¤³Ì301·ÖÇóµ÷¼Á£¬×¨Ë¶¿É¿çרҵ£¬ËÄÁù¼¶Òѹý +3 ¾²¾²ÏëÏë 2026-04-05 3/150 2026-04-06 15:23 by nepu_uu
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +5 asdasdassda 2026-04-05 5/250 2026-04-06 09:32 by dongzh2009
[¿¼ÑÐ] Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ085600Ó¢Ò»Êý¶þ337·ÖÇóµ÷¼Á +12 lyz0427 2026-04-03 12/600 2026-04-06 06:37 by houyaoxu
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] 358Çóµ÷¼Á +7 Çïgk 2026-04-04 7/350 2026-04-05 13:29 by huangmoli
[¿¼ÑÐ] 298·Ö 070300Çóµ÷¼Á +15 zwen03 2026-04-02 15/750 2026-04-05 12:52 by Hdyxbekcb
[¿¼ÑÐ] 11408 Ò»Ö¾Ô¸Î÷µç£¬277·ÖÇóµ÷¼Á +4 zhouzhen654 2026-04-03 4/200 2026-04-04 18:10 by Öí»á·É
[¿¼ÑÐ] 283·Ö²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +29 ÂÞKAKA 2026-04-02 29/1450 2026-04-03 23:56 by userper
[¿¼ÑÐ] ѧ˶288µ÷¼Á!!! +3 СÍõxw123 2026-04-03 3/150 2026-04-03 21:20 by à£à£à£0119
[¿¼ÑÐ] 294Çóµ÷¼Á +6 Grey_Ey 2026-04-03 6/300 2026-04-03 20:46 by ÐÀϲ777
[¿¼ÑÐ] 320Çóµ÷¼Á +3 ũҵ¹¤³ÌÓëÐÅÏ¢¼ 2026-04-03 3/150 2026-04-03 11:40 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] 338Çóµ÷¼Á£¬Ò»Ö¾Ô¸ÄÜÔ´¶¯Á¦£¬ÍâÓïÊÇÈÕÓï203 +5 zzz£¬£¬r 2026-04-02 5/250 2026-04-03 09:45 by À¶ÔÆË¼Óê
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û