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Ethyleneoligomerizationand polymerizationcatalyzedbyα diiminePd(Ⅱ )orNi(Ⅱ )complexeshavebeenreported[1,2 ].Recently ,anewfamilyofcatalys
Ethyleneoligomerizationand polymerizationcatalyzedbyα diiminePd (Ⅱ) orNi (Ⅱ) complexeshavebeenreported [1,2] .Recently, anewfamilyofcatalys