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. Author manuscript; available in PMC: 2006 Sep 25.
Published in final edited form as: J Am Chem Soc. 2003 Oct 1;125(39):11956–11963. doi: 10.1021/ja0361547

Table 6.

Hydroamination of Allene 10 Using Zirconium Complexes (5 Mol % of Catalyst in C6D6)

yield (NMR, %)
entry cat. T/°C t/h 11 12
1 Cp2ZrMe2 (23) 135 18 16 3
2 Cp2ZrMe2 (23)/B(C6F5)3 135 18 34 66
3 Zr(NMe2)4 (22) 75 24 35 2
20 75 3 10 –
4 135 3 84 12
5 21 75 4 94 6