Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 442  |  »Ø¸´: 1
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

jcfcau

ľ³æ (ÕýʽдÊÖ)


[½»Á÷] µÂÓï·­Òë »¯Ñ§ÊµÑé²Ù×÷Ò»¶Î

» ²ÂÄãϲ»¶

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

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

zhonghu

ľ³æ (ÖøÃûдÊÖ)


jcfcau(½ð±Ò+15, ·­ÒëEPI+1): лл 2011-04-13 15:50:47
2-Êå¶¡»ù-4-(ÂÈôÊ»ù£©-2£¬3-¶¡¶þÏ©ËáÒÒõ¥£¨13a£©£º2.12g£¨10mmol£©ÂÖÏ©°ëõ¥£¨£¿£©12aͶÈëµ½Ò»¸ö´ø¹ÄÅÝÆ÷µÄ50mlÔ²µ×ÉÕÆ¿ÖУ¬ÓÚ½Á°èÏÂÈÜÓÚ4mlÐÂÕôÁóµÄSOCl2£¬ÉÔºó£¬ÓÐÆøÌå·Å³ö£¨¿ÉÒÔÓÃÒ»¸öµç´µ·ç¶Ìʱ¼ÓÈÈÀ´Òý·¢£©¡£È»ºóÔÚÊÒνÁ°è£¬Ö±µ½²»ÔٷųöÆøÌå¡££¨Ô¼2-3Сʱ£©¡£ÎªÊ¹·´Ó¦ÍêÈ«£¬¿ÉÔÚ´ËʱÓõ紵·ç¶Ìʱ¼ÓÈÈһϣ¬²»Òª³¬¹ý30C¡£¼õѹ³ýÈ¥¹ýÁ¿µÄSOCl2£¬Í¨¹ý¼ÓÈë»·¼ºÍéÐýתÕô·¢Á½´Î£¨Ã¿´Î10mL£©³ýÈ¥²ÐÁôµÄºÛÁ¿SOCl2¡£µÃµ½Ç³»ÆÓÍ×´õ£ÂÈ13a¡£Èç¹û±£³Öζȣ¬¿ÉµÃµ½³ÎÇåµÄ»·¼ºÍéÈÜÒº¡£--1HNMR£¨90MHz£©£ºÂÔ
2Â¥2011-04-13 14:50:02
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ jcfcau µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 266Çóµ÷¼Á +9 ÑôÑôÍÛÈû 2026-04-07 9/450 2026-04-07 22:43 by À´¿´Á÷ÐÇÓê10
[¿¼ÑÐ] ²ÄÁϹ¤³Ì322·Ö +14 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 14/700 2026-04-07 16:14 by ¾²»¨¶ù
[¿¼ÑÐ] Çóµ÷¼Á +12 ÐܶþÏëÉϰ¶ 2026-04-04 12/600 2026-04-07 12:07 by Sammy2
[¿¼ÑÐ] Èí¹¤Ñ§Ë¶299Çóµ÷¼Á +6 useryy 2026-04-07 6/300 2026-04-07 09:50 by vgtyfty
[¿¼ÑÐ] »úеר˶274Çóµ÷¼Á£¬²»ÌôרҵѧУ +6 ·º·º2333 2026-04-05 8/400 2026-04-06 18:06 by ·º·º2333
[¿¼ÑÐ] ²ÄÁϹ¤³Ì310ר˶µ÷¼Á +14 ÀÌÀÌÎÒ¡­. 2026-04-04 15/750 2026-04-06 14:18 by lqwchd
[¿¼ÑÐ] »¯Ñ§µ÷¼ÁÇóÖú +8 LULONG1 2026-04-03 8/400 2026-04-06 10:26 by dongzh2009
[¿¼ÑÐ] 323Çóµ÷¼Á +8 Àî¼ÑÀÖ1 2026-04-04 8/400 2026-04-04 22:26 by hemengdong
[¿¼ÑÐ] 325Çóµ÷¼Á +4 ´º·ç²»½èÒâ 2026-04-04 4/200 2026-04-04 22:08 by à£à£à£0119
[¿¼ÑÐ] ²ÄÁϵ÷¼Á +10 ÀÁÑòÑòÇáÖÃÓñÍÎ 2026-04-02 11/550 2026-04-04 21:56 by laoshidan
[¿¼ÑÐ] µ÷¼Á +9 19945159693 2026-04-03 10/500 2026-04-04 20:16 by dongzh2009
[¿¼ÑÐ] ²ÄÁÏרҵ383Çóµ÷¼Á +8 ¹ùÑôÑôÑô³É 2026-04-03 8/400 2026-04-04 10:29 by Rednal.
[¿¼ÑÐ] ¿¼ÑÐÇóµ÷¼Á +3 ľÐÄÏë¼ÌÐøÉîÔì 2026-04-03 3/150 2026-04-03 21:56 by à£à£à£0119
[¿¼ÑÐ] 335Çóµ÷¼Á +7 ÉòÇåÁ§ 2026-04-03 7/350 2026-04-03 18:55 by lijunpoly
[˶²©¼ÒÔ°] ÇóÀÏʦÊÕÁô +9 lllq123 2026-04-03 9/450 2026-04-03 13:48 by ºôÎü¶¼ÊǼõ·Ê
[¿¼ÑÐ] 295Çóµ÷¼Á +7 Ô¸ÂÃ;ÓÀԶ̹Ȼ 2026-04-02 7/350 2026-04-03 08:22 by fangshan711
[¿¼ÑÐ] ²ÄÁÏר˶322·Ö +11 ¹þ¹þ¹þºðºðºð¹þ 2026-04-01 11/550 2026-04-02 10:52 by lnilvy
[¿¼ÑÐ] »¯Ñ§¹¤³Ìר˶324·Ö£¬Ò»Ö¾Ô¸Öйú¿óÒµ´óѧÇóµ÷¼Á +7 ¹¢¹¢1314 2026-04-01 7/350 2026-04-02 07:40 by ÉÐË®¸óÖ÷
[¿¼ÑÐ] ½­ËտƼ¼´óѧÕвÄÁÏÑо¿Éú +4 Su032713. 2026-04-01 5/250 2026-04-01 22:03 by cccchenso
[¿¼ÑÐ] °²È«¹¤³Ì 285 Çóµ÷¼Á +3 Xinyu56 2026-04-01 4/200 2026-04-01 21:50 by ¾²¾²¾²¾²¾²¾²¾²¾
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û