Znn3bq.jpeg
ÉÇÍ·´óѧº£Ñó¿ÆÑ§½ÓÊܵ÷¼Á
²é¿´: 578  |  »Ø¸´: 5
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

war3202063

Òø³æ (ÕýʽдÊÖ)


[½»Á÷] °ïæ·­ÒëÒ»¾ä»°£¡£¡ÊÇÒ»¸öºó´¦Àí²Ù×÷£¡µ¹×°ÒëµÄ²»ºÃ£¬´óϺ°ï°ï棡£¡

Evaporation gave 4.48 g of a clear liquid, which was further purified  by recrystallization from hexane/acetone (95:5) to obtain 3.52 g of the
acid derivative as white crystals (72.9%).

» ²ÂÄãϲ»¶

» ÇÀ½ð±ÒÀ²£¡»ØÌû¾Í¿ÉÒԵõ½:

²é¿´È«²¿É¢½ðÌù

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
war3202063(½ð±Ò+1):лл£¡ 2010-11-20 21:56:59
¾­Õô·¢µÃµ½µÃµ½4.48g³ÎÇåÈÜÒº£¬½øÒ»²½ÔÚ£¨Å¨¶ÈΪ95%Õý¼ºÍ飩Õý¼ºÍéÓë±ûͪ»ìºÏÈܼÁÖо­ÖؽᾧµÃµ½3.52g°×É«ËáÐÔÑÜÉúÎïµÄ¾§Ì壬Æäʵ¼ÊµÃÂÊ72.9%¡£
4Â¥2010-11-20 21:51:13
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 6 ¸ö»Ø´ð
Evaporation gave a clear liquid(4.48 g), which was further purified  by recrystallization from hexane/acetone (95:5) to obtain the acid derivative as white crystals (3.52 g ,72.9%).
2Â¥2010-11-20 21:49:46
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²úÂÊÓÐЧÊý×ÖÓÐÁ½Î»¾Í¿ÉÒÔÁË ºÇºÇ ºÜ¶à²Ù×÷´øÀ´µÄÎó²î´ó¹ýÁãµã¼¸µÄ
3Â¥2010-11-20 21:51:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
war3202063(½ð±Ò+3, ·­ÒëEPI+1):лл£¡ 2010-11-20 21:56:48
Evaporation gave 4.48 g of a clear liquid, which was further purified  by recrystallization from hexane/acetone (95:5) to obtain 3.52 g of the
acid derivative as white crystals (72.9%).
ÒÔΪ¸ÄÓ¢ÎÄÄØ ·­ÒëÈçϹþ
Õô·¢ÈܼÁµÃµ½4.48gÇåÁÁÒºÌ壬¸ÃÒºÌå¾­ÖØ½á¾§£¨»·¼ºÍé/±ûͪ£º95£º5£©¿ÉÒԵõ½3.52 g¸ÃËáµÄÑÜÉúÎΪ°×É«¾§Ì壨²úÂÊ72.9%£©
5Â¥2010-11-20 21:55:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 085400µç×ÓÐÅÏ¢Àࣨ´¨´ó¿ØÖƹ¤³Ì£©Çóµ÷¼Á¿É¿çרҵ ÇóÀÏʦÁªÏµ +6 626776879 2026-04-08 6/300 2026-04-14 20:09 by gwjxiaolang
[¿¼ÑÐ] ¿ÒÇëÓÐѧУÊÕÁô +3 ¿Â»´È» 2026-04-12 3/150 2026-04-14 16:25 by ÄæË®³Ë·ç
[¿¼ÑÐ] ¸÷λÀÏʦºÃ£¬Çóµ÷¼Á£¬±¾¿Æ211£¬Ò»Ö¾Ô¸Ìì½ò´óѧÉúÎïÓëҽҩѧ˶£¬²îÁ½Ãû¼ȡ¡£ +11 ·ÁùÁùjjj 2026-04-13 11/550 2026-04-14 16:01 by zs92450
[¿¼ÑÐ] 071000ÉúÎïѧµ÷¼ÁÇóÖú +18 zzzzwww 2026-04-09 21/1050 2026-04-14 15:39 by zs92450
[¿¼ÑÐ] 271Çóµ÷¼Á +35 2261744733 2026-04-11 41/2050 2026-04-14 15:36 by zs92450
[¿¼ÑÐ] Çóµ÷¼Á +16 Ñ©·ê¶¬ 2026-04-10 16/800 2026-04-14 14:27 by ÄæË®³Ë·ç
[¿¼ÑÐ] 105500ҩѧÇóµ÷¼Á +4 x_skys 2026-04-12 4/200 2026-04-14 13:37 by rndfc
[¿¼ÑÐ] ¿¼ÑÐÓ¢Ò»ÊýÒ»338·Ö +9 ³¤½­´óѧ¶«Ð£Çø 2026-04-13 10/500 2026-04-14 00:41 by Íõ¬Bè±
[¿¼ÑÐ] 293Çóµ÷¼Á +16 ÎÒ°®¸ßÊý¸ßÊý°®Î 2026-04-12 18/900 2026-04-13 21:47 by ѧԱJpLReM
[¿¼ÑÐ] ±¾¿ÆÄÏ·½Ò½¿Æ´óѧ Ò»Ö¾Ô¸985 ҩѧѧ˶284·Ö Çóµ÷¼Á +5 ÈõË®ÌýÎÄ 2026-04-09 5/250 2026-04-12 13:16 by shengxi123
[¿¼ÑÐ] µçÆø×¨Ë¶320Çóµ÷¼Á +6 СÂé×Ó111 2026-04-10 6/300 2026-04-12 10:54 by lemon6009
[¿¼ÑÐ] ²ÄÁÏÓ뻯¹¤300Çóµ÷¼Á +39 Ф¿ªÎÄ 2026-04-09 43/2150 2026-04-12 01:30 by Çï¶¹²ËÑ¿
[¿¼ÑÐ] 284Çóµ÷¼Á +11 archer.. 2026-04-09 12/600 2026-04-11 20:23 by À¶ÔÆË¼Óê
[¿¼ÑÐ] 283Çóµ÷¼Á +22 ÄǸöàà×Ó 2026-04-09 22/1100 2026-04-11 10:41 by ÄæË®³Ë·ç
[¿¼ÑÐ] ũѧ0904 312Çóµ÷¼Á +6 Say Never 2026-04-10 6/300 2026-04-11 10:33 by wwj2530616
[¿¼ÑÐ] 0854µ÷¼Á +8 950824he@ 2026-04-09 8/400 2026-04-11 10:11 by zhq0425
[¿¼ÑÐ] 281Çóµ÷¼Á +11 ¾õµÃºÃµÄ°É 2026-04-10 11/550 2026-04-11 09:35 by ÄæË®³Ë·ç
[¿¼ÑÐ] Ò»Ö¾Ô¸¶«±±´óѧ¿ØÖƹ¤³Ì085406Êý¶þÓ¢¶þ385£¬Çóµ÷¼Á +8 Ezra_Zhang 2026-04-09 8/400 2026-04-11 09:15 by Öí»á·É
[¿¼ÑÐ] Ò»Ö¾Ô¸¾©Çø985£¬085401µç×ÓÐÅÏ¢£¬±¾¿Æµç×ÓÐÅÏ¢ +3 Ñô¹â¿ªÀʵÄÄк¢ 2026-04-10 3/150 2026-04-10 16:29 by sophia_93
[¿¼ÑÐ] 292Çóµ÷¼Á +9 ЦЦԬ 2026-04-09 9/450 2026-04-10 10:05 by LHGeng
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û