期刊
TETRAHEDRON
卷 66, 期 47, 页码 9182-9186出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tet.2010.09.073
关键词
Imido; Titanium; Carbodiimide; Urea; Isocyanate; Heterocumulene metathesis
资金
- University of Nottingham University College London
- Flexible Foam Research Ltd
An efficient it synthesis of carbodiimides or ureas from the combination of a titanium imido complex 2 and a range of 12 aryl and aliphatic isocyanates is described Control experiments suggest that carbodimide formation is via heterocumulene metathesis through a transient intermediate eta(2)-ureato-N O metallacycle 8 (C) 2010 Elsevier Ltd All rights reserved
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