| ²é¿´: 159 | »Ø¸´: 2 | |||
| µ±Ç°Ö÷ÌâÒѾ´æµµ¡£ | |||
[½»Á÷]
±½»·È¡´ú»ùλÖùæÔò¡£¼±¡£
|
|||
|
±½»·ÉÏÈ¡´ú»ùÊýÄ¿ºÍλÖõÄÈ·¶¨¡£ÓÃʲô·½·¨ÄØ¡£ÏÂÃæÊÇÎÄÏ×ÉÏдµÄ¡£ÎÒ²»Àí½â°¡¡£Çë´ó¼ÒÖ¸½Ì¡£Ð»Ð»¡£ wherein m is 0,1,or 2. n is 0,1,2,3or 4.and n+m>0. the r1and ,r2 group are attached at the 2,3,or 5 position relative to the carbonyl group; when n+m is 3,the groups are preferably at the 2,3,5,positions;when n+m is 2,the groups are preferably at the 3and 5position. most preferably m is 0 and n is 2 . most preferably there are two groups in total, substituted at the 3,and 5 positions. ×î¼ÑÈ¡´ú»ùµÄλÖÃÊÇÔõôȷ¶¨µÄÄØ¡£Õâ·½ÃæµÄ·½·¨ÊÇÊ²Ã´ÄØ¡£ ÕæÊÇÀ§»ó°¡¡£ÕâÊDz»ÊÇÒ©»¯ÖÐ×î»ù±¾µÄ¶«¶«ÄØ¡£¿ÉÔÀ´Ã»½Ó´¥¹ý°¡¡£ |
» ²ÂÄãϲ»¶
315Çóµ÷¼Á
ÒѾÓÐ8È˻ظ´
312Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
Ò»Ö¾Ô¸Ö£ÖÝ´óѧ²ÄÁÏÓ뻯¹¤085600£¬Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
315·Ö 085602 Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
298·Ö 070300Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
349Çóµ÷¼Á
ÒѾÓÐ9È˻ظ´
302Çóµ÷¼Á
ÒѾÓÐ4È˻ظ´
»¯¹¤µ÷¼Á303·Ö£¬¹ýËļ¶
ÒѾÓÐ10È˻ظ´
321Çóµ÷¼Á
ÒѾÓÐ14È˻ظ´
296²ÄÁÏר˶Çóµ÷¼Á
ÒѾÓÐ14È˻ظ´
ܰÏã
Ìú³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 302.3
- Ìû×Ó: 134
- ÔÚÏß: 75.9Сʱ
- ³æºÅ: 348211
- ×¢²á: 2007-04-17
- ÐÔ±ð: MM
- רҵ: Ò©ÎïѧÆäËû¿ÆÑ§ÎÊÌâ

2Â¥2009-03-27 22:17:47
ºÄ×ÓÅÂè
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 731.3
- Ìû×Ó: 297
- ÔÚÏß: 2.1Сʱ
- ³æºÅ: 439221
- ×¢²á: 2007-10-09
- ÐÔ±ð: MM
- רҵ: Ò©Îï·ÖÎö
3Â¥2009-03-27 22:54:46














»Ø¸´´ËÂ¥