中华医学超声杂志

应用化学 ›› 1992, Vol. 0 ›› Issue (2): 33-37.

• 研究论文 • 上一篇    下一篇

固相配位化学反应研究ⅩⅩⅩⅩⅢ.[Co(NH3)4CO3]Cl、[Co(en)2CO3]Cl与NH4SCN的固相取代反应

庄稼, 成全, 忻新泉, 郑丽敏   

  1. 南京大学配位化学研究所, 南京 210008
  • 收稿日期:1991-04-08 修回日期:1991-06-26 出版日期:1992-04-10 发布日期:1992-04-10
  • 基金资助:
    国家教委博士点基金;国家自然科学基金

SOLID STATE REACTIONS OF COORDINATION COMPOUNDS ⅩⅩⅩⅩⅢ. THE SOLID STATE SUBSTITUTION REACTION OF (Co(NH3)4CO3)Cl and (Co(en)2CO3)Cl WITH NH4SCN

Zhuang Jia, Cheng Quan, Xin Xinquan, Zheng Limin   

  1. Department of Chemistry, Nanjing University, Nanjing 210008
  • Received:1991-04-08 Revised:1991-06-26 Published:1992-04-10 Online:1992-04-10

PDF

514

摘要： 本文研究了[Co(NH3)4CO3]Cl、[Co(en)2CO3]C1分别与NH4SCN在100℃发生的固相取代反应.[Co(NH3)4CO3]Cl与NH4SCN反应生成trans-[Co(NH3)4(NCS)2]+;[Co(en)2CO3]Cl与NH4SCN反应先生成cis-[Co(en)2(NCS)2]+,然后转化成trans-(Co(en)2(NCS)2]+。采用气相色谱、红外光谱、X粉末衍射和核磁共振法对相应反应体系及其产物进行了测试,推测反应按SN2机理进行。

关键词: 固相, 取代反应, [Co(NH3)4CO3]Cl, [Co(en)2CO3]Cl

Abstract: Solid state substitution reactions take place between (Co(NH3)4CO3)Cl or (Co(en)2CO3) Cl with NH4SCN at 100℃, with the non-volatized CO32- being substituted outside the inner coordination sphcrc by SCN-. Trans-(Co(NH3)4(NCS)2)Cl is formed in the reaction of (Co(NH3)4CO3)Cl with NH4SCN. However, in the reaction bctwccn(Co(en)2CO3)Cl and NHSCN, Cis-Co(en)2(NCS)2Cl is at first formed transforming into trans-isomer ultimately. Two reactions are believed to proceed through SN2 mechanism.

Key words: solid state reaction, substitution, (Co(NH3)4CO3)Cl, (Co(en)2CO3)Cl

网站版权 © 应用化学     本网站备案：吉ICP备12000082号