Effect of Samarium Iodide on Isocyanate-Polymerization by Alkyllithiums [in Japanese]
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An addition of samarium iodide (SmI<SUB>2</SUB> or SmI<SUB>3</SUB>) drastically suppressed the trimerization of isocyanates during the polymerization with alkyllithiums, providing the polymer with high molecular weight in good yield.
- Chemistry Letters
Chemistry Letters 1996(10), 909-910, 1996-10
The Chemical Society of Japan