Znn3bq.jpeg
²é¿´: 1532  |  »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] 301Çóµ÷¼Á +3 ¾²¾²ÏëÏë 2026-04-05 3/150 2026-04-09 19:12 by Ê«Óë×ÔÓÉ
[¿¼ÑÐ] µ÷¼Á +19 2261744733 2026-04-08 19/950 2026-04-09 19:11 by vgtyfty
[¿¼ÑÐ] 314Çóµ÷¼Á +16 xhhdjdjsjks 2026-04-09 17/850 2026-04-09 18:26 by ºÈ×í¾ÆN
[¿¼ÑÐ] Ò»Ö¾Ô¸Ö£ÖÝ´óѧ 22408 305·ÖÇóµ÷¼Á +3 °²Ð¡Âúzzz 2026-04-08 3/150 2026-04-09 16:16 by wp06
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí³µÁ¾ 281 Çóµ÷¼Á +5 Éϰ¶Ñо¿Éú. 2026-04-07 5/250 2026-04-09 15:56 by onlyÖÜ
[»ù½ðÉêÇë] Óб¬ÁÏ£¬Ò»¸öÇàÄê½ÌʦÂô·¿µÃ400Íò£¬È»ºó»»ÁËÒ»¸öËÄÇàñ×Ó +6 babu2015 2026-04-08 6/300 2026-04-09 08:14 by kudofaye
[¿¼ÑÐ] Çóµ÷¼Á +8 ³Ô¿Ú±ù¼¤Áè 2026-04-07 8/400 2026-04-09 08:03 by 5268321
[¿¼ÑÐ] 285Çóµ÷¼Á +20 ŶßϺôo 2026-04-04 20/1000 2026-04-08 22:23 by yutian743
[¿¼ÑÐ] Çóµ÷¼Á +15 ÐܶþÏëÉϰ¶ 2026-04-06 15/750 2026-04-08 04:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 259Çóµ÷¼Á +5 ¾Í°®³ÔÍÁ¶¹Ñ½Ñ½ 2026-04-07 5/250 2026-04-07 22:40 by JourneyLucky
[¿¼ÑÐ] 304Çóµ÷¼Á +4 luoye0105 2026-04-05 4/200 2026-04-06 21:05 by ľ×Ó¾ý1218
[¿¼ÑÐ] 306·Ö²ÄÁÏÓ뻯¹¤Çóµ÷¼Á +7 Àè°ÉÀ²À²ÄãºÜÓÐà 2026-04-03 7/350 2026-04-05 17:18 by Hdyxbekcb
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358Çóµ÷¼Á +6 cs0106 2026-04-05 6/300 2026-04-05 16:34 by imissbao
[¿¼ÑÐ] ¿¼Ñе÷¼Á +11 СsunÒªºÃÔË 2026-04-04 11/550 2026-04-05 08:02 by qlm5820
[¿¼ÑÐ] 22408Çóµ÷¼Á 354·Ö ¿É¿çרҵ +3 hannnnnnn 2026-04-04 3/150 2026-04-04 14:35 by ÍÁľ˶ʿÕÐÉú
[¿¼ÑÐ] һ־Ը˫·Ç085502£¬267·Ö£¬¹ýËļ¶Çóµ÷¼Á +3 ÔÙæҲҪ³Ô·¹°¡ 2026-04-03 3/150 2026-04-04 05:03 by gswylq
[¿¼ÑÐ] »¯¹¤Çóµ÷¼Á +11 ÀóÏã֥ʿҬÄÌ 2026-04-03 11/550 2026-04-03 22:06 by à£à£à£0119
[¿¼ÑÐ] 322Çóµ÷¼Á +4 FZAC123 2026-04-03 4/200 2026-04-03 20:55 by zhq0425
[¿¼ÑÐ] ר˶085601Çóµ÷¼Á +7 suyifei 2026-04-03 8/400 2026-04-03 14:00 by ÐÀϲ777
[¿¼ÑÐ] 366Çóµ÷¼Á +7 sbdnd 2026-04-03 7/350 2026-04-03 12:40 by cymywx
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û