| ²é¿´: 934 | »Ø¸´: 5 | |||
| µ±Ç°Ö»ÏÔʾÂú×ãÖ¸¶¨Ìõ¼þµÄ»ØÌû£¬µã»÷ÕâÀï²é¿´±¾»°ÌâµÄËùÓлØÌû | |||
Ìì¿ÕϵÄΨһ½ð³æ (СÓÐÃûÆø)
|
[ÇóÖú]
Çó°ïæ¸ÄÒëÒ»ÏÂÕâ¾ä»°
|
||
| Therefore, the incorporation of a metal center into a crown creates a metallacrown ether. Metallacrown ethers have a chemistry that can be significantly different from that of either the metal center or the crown ether.ÇóÄǸö´óÉñ°ïæ¸ÄÒ»ÏÂÕâ¾ä»°Òâ˼һÑù»»Ò»ÖÖ˵·¨ лл |
» ²ÂÄãϲ»¶
ÕÐÊÕÉúÎïѧ/ϸ°ûÉúÎïѧµ÷¼Á
ÒѾÓÐ5È˻ظ´
300Çóµ÷¼Á£¬²ÄÁÏ¿ÆÑ§Ó¢Ò»Êý¶þ
ÒѾÓÐ7È˻ظ´
070305¸ß·Ö×Ó»¯Ñ§ÓëÎïÀí 304·ÖÇóµ÷¼Á
ÒѾÓÐ7È˻ظ´
289Çóµ÷¼Á
ÒѾÓÐ13È˻ظ´
299Çóµ÷¼Á
ÒѾÓÐ7È˻ظ´
Ò»Ö¾Ô¸¹þ¶û±õ¹¤Òµ´óѧ²ÄÁÏÓ뻯¹¤·½Ïò336·Ö
ÒѾÓÐ9È˻ظ´
081200-11408-276ѧ˶Çóµ÷¼Á
ÒѾÓÐ6È˻ظ´
µ÷¼ÁÇóԺУÕÐÊÕ
ÒѾÓÐ5È˻ظ´
µ÷¼Á310
ÒѾÓÐ8È˻ظ´
Ò»Ö¾Ô¸±±¾©Àí¹¤´óѧ±¾¿Æ211²ÄÁϹ¤³Ì294Çóµ÷¼Á
ÒѾÓÐ5È˻ظ´
» ±¾Ö÷ÌâÏà¹Ø¼ÛÖµÌùÍÆ¼ö£¬¶ÔÄúͬÑùÓаïÖú:
¸ÄÔõôÀí½âÕâ¾ä»°
ÒѾÓÐ8È˻ظ´
Õâ¾ä»°Ôõô·Ò룿
ÒѾÓÐ9È˻ظ´
Âé·³°ïæ·Òë¹þÏÂÃæÕâ¾ä»°°¡£¬°ÑËü·ÒëΪӢÓлл£¡
ÒѾÓÐ6È˻ظ´
¶ÔÕâ¾ä»°µÄÒâ˼²»È·¶¨£¬Çë´ó¼Ò°ïæ·ÒëÏÂ
ÒѾÓÐ8È˻ظ´
°ï濴һϼ¸¾ä»°µÄÓ¢ÎÄ·Ò롣лл£¡Ë®´¦ÀíÀà¡£°ïæ¸ÄÒ»ÏÂÓï·¨ºÍ½á¹¹¡£BB
ÒѾÓÐ5È˻ظ´
°ïæ·ÒëÒ»ÏÂÕâ¾ä»°°É
ÒѾÓÐ5È˻ظ´
ÇóÖú£ºÂé·³°ï·ÒëÏÂÏÂÃæÕâ¾ä»°£¬Ð»Ð»~~
ÒѾÓÐ1È˻ظ´
Çó ÕªÒª ÒýÑÔ ½áÂÛ·Òë £¨ÎÒÒѾ×Ô¼º·ÒëÁËÒ»±é£¬Ï£Íû¸ßÈ˰ïæÐÞ¸Äһϣ©
ÒѾÓÐ1È˻ظ´
Çó°ïæÀí½âÒ»ÏÂÕâ¾ä»°µÄÒâ˼ Óйص°°×ÕÛµþµÄ
ÒѾÓÐ1È˻ظ´
¹òÇó¸ßÈ˰ïæ·ÒëÒ»ÏÂÕâ¾ä»°
ÒѾÓÐ2È˻ظ´
Çë°ïÖúÐÞ¸ÄÏÂÕâ¾ä»°µÄ·Òë
ÒѾÓÐ2È˻ظ´
ÎÒÕâ¶Î»°ÒѾÓÐÒ»¸ö·Òë°æ±¾ÁË£¬µ«¾õµÃÓÐЩ²»ºÃ£¬ÏëÇë¸÷λ³æÓÑÃǰïæÐÞ¸Äһϡ£
ÒѾÓÐ1È˻ظ´
´ó¼Ò°ïÎÒ¿´¿´Õâ¾ä»°¶ÔÂð¡£Èç¹û²»¶ÔÔõô¸ÄÄØ£¿
ÒѾÓÐ7È˻ظ´
Çó°ïæÐÞ¸ÄÒ»¸ö¾ä×Ó
ÒѾÓÐ2È˻ظ´
´ó¼Ò°ï°ï棬ÐÞ¸ÄÒ»ÏÂÕâ¾ä»°
ÒѾÓÐ2È˻ظ´
´ó¼Ò°ï°ï棬ÐÞ¸ÄÏÂÕâ¾ä»°
ÒѾÓÐ3È˻ظ´
Õâ¾ä»°ÔõôÐÞ¸Ä
ÒѾÓÐ2È˻ظ´
¼±£¡ÐÞ¸ÄÖÐÒëÓ¢£¬ÎÒÒѾ·ÒëÁË£¬Çë¸÷λ¸ßÊÖ°ïæÐÞ¸ÄÏ¡£
ÒѾÓÐ4È˻ظ´
ÐÞ¸ÄÖÐÒëÓ¢·Òë¡£¼±Óã¡Çë¸ßÊÖ°ï°ïæ
ÒѾÓÐ1È˻ظ´
°ïæÐÞ¸ÄÓ¢ÎÄÕªÒªÒëÎÄ£¬Ð»Ð»
ÒѾÓÐ3È˻ظ´
°ïæ·ÒëÕâ¾ä»°
ÒѾÓÐ3È˻ظ´

hijack520
½ð³æ (СÓÐÃûÆø)
ß÷ÐÇ´ïÈË
- Ó¦Öú: 6 (Ó×¶ùÔ°)
- ½ð±Ò: 1320.2
- ºì»¨: 7
- Ìû×Ó: 255
- ÔÚÏß: 196.4Сʱ
- ³æºÅ: 2161386
- ×¢²á: 2012-12-02
- ÐÔ±ð: GG
- רҵ: ¿ó´²µØÇò»¯Ñ§ºÍÓлúµØÇò»¯
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ìì¿ÕϵÄΨһ: ½ð±Ò+6 2013-04-08 12:26:20
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
Ìì¿ÕϵÄΨһ: ½ð±Ò+6 2013-04-08 12:26:20
| Thus, incorporation of a metal in the center of a crown creates a metallacrown ether that is chemically significantly different from either the metal center or the crown ether. |

6Â¥2013-04-04 10:29:39
bwshanxi
ÖÁ×ðľ³æ (ÎÄ̳¾«Ó¢)
- Ó¦Öú: 292 (´óѧÉú)
- ½ð±Ò: 17072.6
- ºì»¨: 18
- Ìû×Ó: 15794
- ÔÚÏß: 878.9Сʱ
- ³æºÅ: 454546
- ×¢²á: 2007-11-09
- ÐÔ±ð: GG
- רҵ: Óлú·Ö×Ó¹¦ÄܲÄÁÏ»¯Ñ§
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, ¸ÐлӦÖú~~»¶Ó³£À´~~ 2013-04-01 20:58:19
Ìì¿ÕϵÄΨһ: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-01 21:27:08
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, ¸ÐлӦÖú~~»¶Ó³£À´~~ 2013-04-01 20:58:19
Ìì¿ÕϵÄΨһ: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2013-04-01 21:27:08
| Therefore, the metal centered into a crown forms metallacrown ether. Metallacrown ether is a kind of Chemical structure which is significantly different from that of either the metal center or the crown ether. |

2Â¥2013-04-01 20:22:58
kong870608
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 1 (Ó×¶ùÔ°)
- ½ð±Ò: 2325.8
- ºì»¨: 1
- Ìû×Ó: 89
- ÔÚÏß: 214.1Сʱ
- ³æºÅ: 2314359
- ×¢²á: 2013-03-03
- ÐÔ±ð: GG
- רҵ: ʵÑ鶯Îïѧ
3Â¥2013-04-02 09:43:12
hookhans
Ìú¸Ëľ³æ (ÖøÃûдÊÖ)
Farmer
- Ó¦Öú: 186 (¸ßÖÐÉú)
- ¹ó±ö: 0.142
- ½ð±Ò: 8012.5
- É¢½ð: 576
- ºì»¨: 51
- Ìû×Ó: 2085
- ÔÚÏß: 400.4Сʱ
- ³æºÅ: 2260260
- ×¢²á: 2013-01-25
- רҵ: ´ß»¯»¯Ñ§
¡¾´ð°¸¡¿Ó¦Öú»ØÌû
¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, Ó¦ÖúµÄ½±Àø~~~ 2013-04-02 13:41:36
Ìì¿ÕϵÄΨһ: ½ð±Ò+4, ¡ïÓаïÖú 2013-04-02 19:26:57
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
hanches: ½ð±Ò+2, Ó¦ÖúµÄ½±Àø~~~ 2013-04-02 13:41:36
Ìì¿ÕϵÄΨһ: ½ð±Ò+4, ¡ïÓаïÖú 2013-04-02 19:26:57
| Ref: Therfore, the metallacrown ethers, which are crown ethers incorporated with a metal center, may have significantly different chemical properties compared with those of the incorporated metal itself or the crown ethers. |

4Â¥2013-04-02 13:19:35














»Ø¸´´ËÂ¥