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| ÒªºÏ³ÉµÄÊÇ cryptate£¬Í¨¹ýbromination of diethyl 2,6-dimethyl-3,5-pyridinedicarboxilate (99% Aldrich)Õâ¸öÎïÖʵõ½¡£ºÏ³ÉµÄÊÇ 2,6-dibromomethyl-3,5-diethyl-dicarboxilate £¬1,1'-Azo (cyclohexanecarbonitrile) (98% Aldrich) ΪÒý·¢¼Á£¬ÓëN-bromosuccinimide (NBS, 99% Aldrich)·´Ó¦£¬»ØÁ÷²¢ÒªÕÕÉäÉú³É£¬·´Ó¦Ó¦¸Ãû½²Íê¡£Äܲ»ÄܺϳÉ2,6-dibromomethyl-3,5-diethyl-dicarboxilate £¿ |

4Â¥2014-03-06 15:33:19
RXMCDM
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- ·ÒëEPI: 530
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- ºì»¨: 88
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- Ìû×Ó: 11453
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ÕæÇ¿±ØÊ¤: ...... 2014-03-05 15:12:23
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The synthesis of the cryptates was achieved by bromination of diethyl 2,6-dimethyl-3,5-pyridinedicarboxilate (99% Aldrich), ͨ¹ýä廯 diethyl 2,6-dimethyl-3,5-pyridinedicarboxilate (99% AldrichµÃµ½²úÎïcryptates¡£ via the initiator 1,1'-Azo (cyclohexanecarbonitrile) (98% Aldrich) and N-bromosuccinimide (NBS, 99% Aldrich) under reflux and irradiation by a 100 W incandescent lamp to give 2,6-dibromomethyl-3,5-diethyl-dicarboxilate (a½²µÄÊÇÈçºÎµÃµ½diethyl 2,6-dimethyl-3,5-pyridinedicarboxilate ¡£1,1'-Azo (cyclohexanecarbonitrile) (98% Aldrich) ΪÒý·¢¼Á£¬ÓëN-bromosuccinimide (NBS, 99% Aldrich)·´Ó¦£¬»ØÁ÷²¢ÒªÕÕÉ䣬·´Ó¦ºóÉú³É¡£ |

2Â¥2014-03-04 10:39:15
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×ܵÄÊÇ˸úË·´Ó¦°¡¡£¡£ÎҸоõÒªºÏ³ÉµÄÊÇbromination of diethyl 2,6-dimethyl-3,5-pyridinedicarboxilate (99% Aldrich)Õâ¸öÎïÖʰ¡£¬µ«ÊÇÕâ¸öÓ¦¸Ã¿ÉÒÔÂòµ½¡£Èç¹ûÒªºÏ³ÉµÄÊÇdiethyl 2,6-dimethyl-3,5-pyridinedicarboxilate £¬1,1'-Azo (cyclohexanecarbonitrile) (98% Aldrich) ΪÒý·¢¼Á£¬ÓëN-bromosuccinimide (NBS, 99% Aldrich)·´Ó¦£¬»ØÁ÷²¢ÒªÕÕÉ䣬Ӧ¸ÃÉú³É²»ÁËdiethyl 2,6-dimethyl-3,5-pyridinedicarboxilate |
3Â¥2014-03-06 15:05:14
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RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-03-14 12:09:42
yiqiong38(RXMCDM´ú·¢): ½ð±Ò+4, ¶àлӦÖú£¡ 2014-03-31 11:05:24
RXMCDM: ½ð±Ò+1, ¶àлӦÖú£¡ 2014-03-14 12:09:42
yiqiong38(RXMCDM´ú·¢): ½ð±Ò+4, ¶àлӦÖú£¡ 2014-03-31 11:05:24
5Â¥2014-03-14 12:01:53














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