| ²é¿´: 813 | »Ø¸´: 4 | ||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | ||
cmj_1237Òø³æ (³õÈëÎÄ̳)
|
[ÇóÖú]
ÇóºÃÐÄÈ˰ïæ¾«ÐÞNH2
|
|
|
±¾È˷Ǿ§Ìåרҵ£¬ÇëºÃÐÄÈ˰ïæ¾«ÐÞÒ»ÏÂNH2£¬±à¼µÄÒªÇóÈçÏ£º If it is allowed by the quality of the experiment, please refine the amino hydrogens without geometric restrictions. For such prototropic tautomeric systems, the objective positions of the hydrogens are of importance¡£ ºóÀ´Óиö±¾°æµÄºÃÐÄÈ˰ᆱÐÞÁËһϣ¬µ«ºÃÏñûÓа´±à¼µÄÒªÇó¾«ÐÞNH2£¬ Òò´Ë±à¼µÄ´ð¸´ÈçÏ£º I did not understand what you have done with amino hydrogens. Apparently, you did not refine then, neither their N-H bond lengths were taken standard. Please explain your procedure of treating these hydrogens in details. £¨ÕâλºÃÐĵÄÅóÓÑÈÃÎÒÕâô´ð¸´£ºI didn't refine the structure, only using 'afix 3' to ride H atoms on N atom. The distance of N-H was not limited to standard length. £¨¿ÉÊDZà¼ÒªÇóÖØÐÂÉÏ´«fcfÎļþ£¬¿´À´»¹µÃ¾«ÐÞNÉϵÄH£© Çó±ðµÄºÃÐÄÈ˰ïæ°´±à¼µÄÒªÇó×öһϣ¬±¾ÈËÊDzËÄñ¡£Èç¹û°ïæÁË£¬Ò»¶¨¸Ð¼¤²»¾¡£¡£¨ÏÖ½ð¸Ðл¶¼ÐУ¬ºÇºÇ£© Èç¹ûÔ¸Òâ°ïæÇëÁôÏÂÄúµÄÓÊÏä ²ËÄñ |
» ²ÂÄãϲ»¶
ÔÚMOFÖУ¬ÓÐûÓÐôÈ»ù²Î¼ÓÅäλµÄÇé¿ö
ÒѾÓÐ2È˻ظ´
ÕÐ2026ÄêÈëѧÉϺ£½»Í¨´óѧ²©Ê¿Éú£¬¼±£¡£¡£¡
ÒѾÓÐ1È˻ظ´
ÎÞ»ú»¯Ñ§ÂÛÎÄÈóÉ«/·ÒëÔõôÊÕ·Ñ?
ÒѾÓÐ61È˻ظ´
ÀíÂÛ¼ÆËãºÏ×÷
ÒѾÓÐ0È˻ظ´
Çó¸ßУºÏ×÷
ÒѾÓÐ1È˻ظ´
27¼¶ÎÞ»ú»¯Ñ§É격×Ô¼ö
ÒѾÓÐ2È˻ظ´
ChemdrawÃâ·ÑÈí¼þ
ÒѾÓÐ0È˻ظ´
µ¥¾§½á¹¹½âÎö£¬¸÷ÀàÒÉÄѾ§ÌåÊý¾Ý´¦ÀíºÍ´ðÒÉ
ÒѾÓÐ38È˻ظ´
Õâ¸öË®Ïà·´Ó¦ÓÐûÓд߻¯¼Á´Ù½ø·¢Éú
ÒѾÓÐ4È˻ظ´
Mn Me3TACN
ÒѾÓÐ5È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
[wittig·´Ó¦µÄÓ°ÏìÒòËØ]¹ÙÄÜÍŵÄÓ°Ï졪¡ª(-NH2¡¢-COOHÊÇ·ñÐèÒª±£»¤)
ÒѾÓÐ4È˻ظ´
õ£Â±ºÍ°±»ù£¨NH2£©·´Ó¦µÄÌõ¼þÊÇʲô£¿
ÒѾÓÐ14È˻ظ´
ÇóÖúNH3ClÔõôת±äΪNH2£¿
ÒѾÓÐ7È˻ظ´
FITCµÄÒìÁòÇè»ù-N=C=S»á²»»áÓëëÒ»ùÉϵÄ-NH2·´Ó¦£¿
ÒѾÓÐ7È˻ظ´
R-ClÓë R-NH2µÄ·´Ó¦
ÒѾÓÐ25È˻ظ´
¼îÐÔKMnO4ϲ»Óñ£»¤-NH2¼´¿ÉÑõ»¯-CH3µ½-COOHÇÒ·´Ó¦ºó-NH2²»ÆÆ»µ£¿£¿£¿
ÒѾÓÐ3È˻ظ´
¡¾ÇóÖú¡¿¾Ûõ£°·ÖÐ-NH2º¬Á¿µÄ²â¶¨
ÒѾÓÐ10È˻ظ´
¡¾ÇóÖú¡¿ÇëÎÊÈçºÎ²ÉÓû¹Ô¼Á°ÑÕâ¸öµþµª»¹Ô³ÉNH2
ÒѾÓÐ31È˻ظ´
¡¾ÌÖÂÛ¡¿OH/SH/NH2ÊÇÎüµç×Ó»¹Êǹ©µç×Ó
ÒѾÓÐ9È˻ظ´
¡¾ÇóÖú¡¿NH2»ùÍŵķ´Ó¦
ÒѾÓÐ18È˻ظ´
¡¾ÇóÖú¡¿ÇóÖúÖÊÆ×·ÖÎö£¬·Ö×ÓÀë×Ó·åM-NH2¡£
ÒѾÓÐ5È˻ظ´
¡¾ÇóÖú¡¿Çë½Ìõ¥¼üÄܺÍ-NH2·´Ó³Âð
ÒѾÓÐ6È˻ظ´
¡¾ÇóÖú¡¿COOH ÓëNH2·´Ó¦
ÒѾÓÐ15È˻ظ´
cmj_1237
Òø³æ (³õÈëÎÄ̳)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 211.5
- Ìû×Ó: 14
- ÔÚÏß: 49.4Сʱ
- ³æºÅ: 847602
- ×¢²á: 2009-09-14
- רҵ: ÓлúºÏ³É
3Â¥2011-10-11 20:29:24
qianbh
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 10 (Ó×¶ùÔ°)
- ½ð±Ò: 28061.8
- ºì»¨: 1
- Ìû×Ó: 2525
- ÔÚÏß: 238.5Сʱ
- ³æºÅ: 245509
- ×¢²á: 2006-04-23
- ÐÔ±ð: GG
- רҵ: ÀíÂۺͼÆË㻯ѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï
lichun1210(½ð±Ò+1): ¸Ðл»ØÌû½»Á÷£¡ 2011-10-11 23:15:39
cmj_1237(½ð±Ò+20): 2011-10-13 08:18:29
lichun1210(½ð±Ò+1): ¸Ðл»ØÌû½»Á÷£¡ 2011-10-11 23:15:39
cmj_1237(½ð±Ò+20): 2011-10-13 08:18:29
| ºÃÏóÊÇNÉϵÄÖÊ×ÓÒì¹¹»¯£¬ÒòΪÕâ¸öÖÊ×ÓµÄλÖúÜÖØÒª£¬ËùÒÔÏ£ÍûÄã²»Òª½øÐÐÀíÂÛ¼ÓÇâ¡£ |
2Â¥2011-10-11 20:22:47
qianbh
ÖÁ×ðľ³æ (ÖøÃûдÊÖ)
- Ó¦Öú: 10 (Ó×¶ùÔ°)
- ½ð±Ò: 28061.8
- ºì»¨: 1
- Ìû×Ó: 2525
- ÔÚÏß: 238.5Сʱ
- ³æºÅ: 245509
- ×¢²á: 2006-04-23
- ÐÔ±ð: GG
- רҵ: ÀíÂۺͼÆË㻯ѧ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
cmj_1237(½ð±Ò+20): 2011-10-13 08:19:05
| ±¾ÈËÒ²²»ÊǸßÊÖ£¬µ«¿ÉÒÔÊÔÊÔ£¬¿É½«Êý¾Ý·¢µ½qianbh@163.com |
4Â¥2011-10-12 08:01:18
huahua1216
ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)
- CMEI: 1
- Ó¦Öú: 173 (¸ßÖÐÉú)
- ¹ó±ö: 1.712
- ½ð±Ò: 40619.7
- É¢½ð: 1124
- ºì»¨: 22
- ɳ·¢: 1
- Ìû×Ó: 15426
- ÔÚÏß: 449.5Сʱ
- ³æºÅ: 260203
- ×¢²á: 2006-06-17
- ÐÔ±ð: GG
- רҵ: ·ÅÉä·ÖÎö
5Â¥2011-10-12 08:16:26









»Ø¸´´ËÂ¥
ͶƱ:
10