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1H NMRÖÐd=8.15ppmºÍd=7.31ppm¸½½ü·Ö±ðÓÐÁ½¸öË«ÖØ·å£¬ÕâÊDZ½»·ÏàÁÚÁ½¸öÇâµÄñîºÏ²úÉúµÄ£¬ÇÒÁ½Õ߸öÊýÏàµÈ£¬¶¼ÊÇ12¸öH. d=10.19ppmΪ²®°·HµÄ»¯Ñ§Î»ÒÆ£¬ÔÚd=7.31ppm ºÍ7.10ppm ÊDZ½»·ÉÏHµÄÎ»ÒÆ£¬¸÷ÓÐÒ»¸öË«ÖØ·å£¬±íÃ÷±½»·É϶ÔλµÄÏõ»ùÈ«²¿±»È¡´úÁË¡£ |
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qfzcom
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 40
- Ó¦Öú: 34 (СѧÉú)
- ¹ó±ö: 0.062
- ½ð±Ò: 4748.6
- É¢½ð: 56
- ºì»¨: 8
- ɳ·¢: 11
- Ìû×Ó: 2122
- ÔÚÏß: 207.6Сʱ
- ³æºÅ: 2081714
- ×¢²á: 2012-10-23
- רҵ: »·¾³¹¤³Ì
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Carena: ½ð±Ò+1, ¸ÐлӦÖú 2013-01-12 21:55:08
qq156437683: ½ð±Ò+8, ¡ïÓаïÖú 2013-01-23 10:45:14
Carena: ½ð±Ò+1, ¸ÐлӦÖú 2013-01-12 21:55:08
qq156437683: ½ð±Ò+8, ¡ïÓаïÖú 2013-01-23 10:45:14
| In 1H NMR there exists two double peaks with the same H of 12 produced by coupling of two adjacent H on benzene at diameter of 8.15 and 7.31 ppm. Diameter of 10.19 ppm is chemical shift of H of primary amine. There exist two double peaks that belong to H on benzene at diameter of 7.31 and 7.10 ppm£¬indicating that contrapuntal nitro on benzene is replaced. |
2Â¥2013-01-10 20:21:42
nwsuafliu
ľ³æ (ÖøÃûдÊÖ)
- ·ÒëEPI: 144
- Ó¦Öú: 42 (СѧÉú)
- ½ð±Ò: 2406.9
- É¢½ð: 1449
- ºì»¨: 18
- Ìû×Ó: 1437
- ÔÚÏß: 315.6Сʱ
- ³æºÅ: 136928
- ×¢²á: 2005-12-17
- רҵ: ×÷Îï·Ö×ÓÓýÖÖ
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
Carena: ½ð±Ò+1, ¸ÐлӦÖú 2013-01-12 21:55:16
qq156437683: ½ð±Ò+7, ·ÒëEPI+1, ¡ïÓаïÖú 2013-01-23 10:45:07
Carena: ½ð±Ò+1, ¸ÐлӦÖú 2013-01-12 21:55:16
qq156437683: ½ð±Ò+7, ·ÒëEPI+1, ¡ïÓаïÖú 2013-01-23 10:45:07
| 1H NMR spectrum showed two doublets around d=8.15ppm and d=7.31ppm, respectively. They were yielded from coupling of two neighboring H on benzene, both of which with 12 H. d=10.19 ppm indicates the chemical shift of H on primary amine, whereas d=7.31 ppm and 7.10ppm is the H shift on benzene. The presence of doublet at each shift indicated that contrapuntal nitro on benzene is substituted. |

3Â¥2013-01-10 21:05:50














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