期刊
INORGANICA CHIMICA ACTA
卷 359, 期 2, 页码 497-504出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2005.09.054
关键词
indium; pyrrole; ring-opening polymerization; caprolactone
The reactions of InCl3 with two and three equivalents of lithium (2-dimethylaminomethyl)pyrrolate (1) in diethyl ether solutions afford In[C4H3N(CH2NMe2)](2)CI (2) and III [C4H3N(CH2NMe2)](3) (3) in 92% and 50% yield, respectively. Subsequent reactions of 2 with MeLi and Li(C equivalent to CPh) yield In[C4H3N(CH2NMe2)](2)Me (4) and In[C4H3N(CH2NMe2)](2)(C equivalent to CPh) (5), respectively. All compounds were confirmed by H-1 and C-13 NMR spectroscopy and compounds 3, 4, and 5 were further characterized by single-crystal X-ray crystallography. Compounds 2, 3, and 4 showed moderate catalytic activity toward the ring-opening polymerization of E-caprolactone. (c) 2005 Elsevier B.V. All rights reserved.
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