Znn3bq.jpeg
±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 1522  |  »Ø¸´: 15
µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû

trd_114

ľ³æ (СÓÐÃûÆø)

[½»Á÷] Who can tell me what I should to do?

It¡¯s an unlucky day, I spent almost a month to synthesize a compound, and today I make the final step. It¡¯s worse for me I didn¡¯t get the product after working up the reaction, and I don¡¯t know why. It¡¯s time to delivery and I still missing 700mg product. I don¡¯t know what to do. Oh my god, please tell me, what I should to do!
»Ø¸´´ËÂ¥

» ²ÂÄãϲ»¶

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

dl00bern

ľ³æ (ÕýʽдÊÖ)

6Â¥2012-01-17 02:56:50
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
²é¿´È«²¿ 16 ¸ö»Ø´ð

yieryi

ÖÁ×ðľ³æ (ÖªÃû×÷¼Ò)

¡ï
Сľ³æ(ɳ·¢+1£¬½ð±Ò+0.5):¹§Ï²ÇÀ¸öɳ·¢£¬ÔÙ¸ø¸öºì°ü
best wishes

[ Last edited by yieryi on 2012-1-16 at 20:21 ]
2Â¥2012-01-16 20:19:55
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

poyoro

ľ³æ (ÎÄ̳¾«Ó¢)

calm down ,analysis every step carefully,maybe  a very tiny factor could .......

[ Last edited by poyoro on 2012-1-16 at 23:48 ]
5Â¥2012-01-16 23:47:25
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

sanyecao1984

½ð³æ (ÕýʽдÊÖ)

calm down and find what¡®s the problem, then do the experiment again to solve it
7Â¥2012-01-17 16:56:14
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 328Çóµ÷¼Á +11 lftmya 2026-04-07 12/600 2026-04-07 21:19 by yongzhesheng
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£©×ö¹ý·Ö×ÓʵÑé +4 ÏàÐűػá¹ââÍòÕ 2026-04-07 5/250 2026-04-07 20:41 by Çóµ÷¼Ázz
[¿¼ÑÐ] µ÷¼ÁÇóÖú£¨ÉúÎïÓëÒ½Ò©£© +5 @6952 2026-04-06 5/250 2026-04-07 20:31 by syh9288
[¿¼ÑÐ] ÉúÎïÒ½Ò©µ÷¼Á£üSCIÖпÆÔºÈýÇøÒ»×÷+¶àÏî¿ÆÑгɹû +7 likangxing 2026-04-07 10/500 2026-04-07 17:09 by Ëï¿¡¿¡
[¿¼ÑÐ] 277Çóµ÷¼Á +13 Äß½¨Éè 2026-04-06 13/650 2026-04-07 15:46 by °¡¿¡£¡
[¿¼ÑÐ] 307Çóµ÷¼Á +3 Youth@@ 2026-04-07 3/150 2026-04-07 09:25 by СºÚ²»ÅÂÄÑ
[¿¼ÑÐ] һ־Ը̫ԭÀí¹¤´óѧ¼ÆËã»ú¼¼Êõר˶348£¬Çóµ÷¼ÁÖ¸µ¼ +3 nexious 2026-04-05 3/150 2026-04-07 08:19 by jp9609
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +14 ºôºô£¿~+123456 2026-04-05 14/700 2026-04-06 22:50 by chenzhimin
[˶²©¼ÒÔ°] 0856²ÄÁÏ»¯¹¤Çóµ÷¼Á£¬Ò»Ö¾Ô¸211£¬³õÊԳɼ¨349 +4 ½­»´±±Ô 2026-04-05 4/200 2026-04-06 22:44 by chenzhimin
[¿¼ÑÐ] 322Çóµ÷¼Á +3 àźߺߺã 2026-04-05 3/150 2026-04-05 19:52 by nepu_uu
[¿¼ÑÐ] 22408 ×Ü·Ö320£¬Ò»ÆªÂÛÎĶþ×÷£¬Á½¸ö¹úÈý£¬Çóµ÷¼Á +3 Leomulufu 2026-04-04 5/250 2026-04-05 19:04 by chongya
[¿¼ÑÐ] 288Çóµ÷¼Á£¬Ò»Ö¾Ô¸»ªÄÏÀí¹¤´óѧ071005 +6 ioodiiij 2026-04-04 6/300 2026-04-05 10:09 by guoweigw
[¿¼ÑÐ] Ò»Ö¾Ô¸µç×ӿƼ¼´óѧ085600²ÄÁÏÓ뻯¹¤ 329·ÖÇóµ÷¼Á +10 Naiko 2026-04-04 10/500 2026-04-05 09:40 by sam3303
[¿¼ÑÐ] ÇóÉúÎïѧѧ˶µ÷¼Á¡ª¡ª364·Ö +7 ÔÆ¶äåÞÍäÖ¸ÄÏ 2026-04-04 7/350 2026-04-04 22:49 by zhyzzh
[¿¼ÑÐ] 323Çóµ÷¼Á +8 Àî¼ÑÀÖ1 2026-04-04 8/400 2026-04-04 22:26 by hemengdong
[¿¼ÑÐ] ²ÄÁÏ¿¼Ñе÷¼Á +10 Gs´óÍõ 2026-04-02 10/500 2026-04-03 09:47 by ÒÅÍüÏûʧµÄž™
[¿¼ÑÐ] ũѧ¿¼ÑÐÇóµ÷¼Á +3 dkdkxm 2026-04-01 3/150 2026-04-02 16:04 by wangjagri
[¿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] 318Çóµ÷¼Á +8 ÆßÒä77 2026-04-01 8/400 2026-04-01 10:37 by Jaylen.
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û