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Please login to access the full content or check if you have access via1.1.1.2 Diene–Diene Cycloadditions
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Montgomery, J., Science of Synthesis, (2001) 1, 13.
The most widely used application of nickel–diene complexes is the dimerization of 1,3-dienes. Pioneering studies by Wilke demonstrated many different modes of coupling, including dimerization, trimerization, and oligomerization of 1,3-dienes.[5,7] An overview of the product classes that may be obtained from 1,3-dienes is provided in Scheme 4 (see also Houben–Weyl, Vol. E 18, pp 93 and 932–937). The initially formed nickel complexes 5 and 6 have not been isolated. However, the complexes may be stabilized by the addition of phosphines, and π-allyl complexes 7–9 have been prepared and characterized.
Meeeee 8 Meeeeeee ee Meeeee-Meeeeeeee Meeeeeeee Meeeeeeeeeee eee Meeeeeeeeeeee[8,8]
Meeeeee eee eeeeee ee eeeee eeee eeeeeee eee eeee eeeeeee, eee eeeeeeeee eeeeeee ee eeeeeee eeeee ee eee eee eeeee- eee/ee eeeeeeeeeeeeeeeee ee eeeeeeeee ee eeeeeeeeeeeee eeeeee. Meee eeeeeeeeee eee eeeeeeee ee eeeeeee ee Meeeee, ee eee eeeeeeeeeeeeee eeeeeee.[88–88] Me eeeeeeeeee eeeeeee ee eeeeeeeeeeee eeeeeee eeeee-eeeeeeee eeeee eee ee eeeeeeeeeee ee eee eeeeee-eeeeeeeee [8 + 8]-eeeeeeeeeeeee eeeeeeee (Meeeee 8). Meee eeeeee eeeeeeee eee ee eee eeee eeeeee eee eeeeeeeee eeeeeeeeee eee eeeeeeeeeeee eeeee-eeeeeeee eeeee.
Meeeee 8 M Meeeeeeee Meeeeeeeeee ee e Meeeee-Meeeeeeee [8 + 8] Meeeeeeeeeeee[88]
Meeeeeeeeeee Meeeeeeee
(8M*,88M*)-88-(eeee-Meeeeeeeeeeeeeeeeee)-8-eeeeeeeeeeeee[8.8.8]eeeeee-8,8-eeeee [(8M*,88M*)-88] eee (8M*,88M*)-88-(eeee-Meeeeeeeeeeeeeeeeee)-8-eeeeeeeeeeeee[8.8.8]eeeeee-8,8-eeeee [(8M*,88M*)-88]:[88]
Me e 888-eM Meeeeee eeeee eeee eeeee eee(eeeee) 88 (888 ee, 8.888 eeee), eeeeeee (888 eM), eeeeeeeeeee (88 μM, MM eeeeeeee eeeeeeee), eee eeee(eeeeeeee-8-ee) eeeeeeeee (888 ee, 8.888 eeee) ee eeeeeee (88 eM) eeeee eeeee. Mee eeeee eee eeee eeeeee ee 88 °M eee 8.88 M [Me(eee)8] (8) ee eeeeeee (8.88 eM) eee eeeee ee eeeeeee eeee e eeeee eeee, eee eee eeeee eee eeeeee. Meeeeeeeee ee eee eeeeeeeeeee/eeeeeee eeeee ee MM eeeeeeeee eee eeeeeeeeee ee eee eeeeeeee (8 e). Mee eeeeeeee eee eeeeeee ee eeee eee eeee eeeeeeee ee eeeeeeee ee eee eee 8 e. Meeeeeeeee ee eee eeeeeee eeee eeeeeee e eeee ee eeeeee eee eee eeeeeee eeee Me8M eeeeeee eee eeeeee eeeee. Meeeeeeeeeeee ee eeeee eeeeeeee ee eeeee eeeeeeeeeeeeee (eeeeee eee, 88 ee × 88 ee, eeeeee) eeeeeeee (8M*,88M*)-88 eee (8M*,88M*)-88 ee eeeee eeee; eeeeee: 88.8 ee (88%) eee 88.8 ee (8%), eeeeeeeeeeee.
References
[5] | Meeee, M., Meeee. Meee., (8888) 888, 888; Meeee. Meee. Mee. Me. Meee., (8888) 88, 888. |
[7] | Meee, M., Meeee. Meee., (8888) 888, 888; Meeee. Meee. Mee. Me. Meee., (8888) 88, 888. |
[16] | Meeeee, M. M.; Meee, M. M., Meeeeeeeeee Meee., (8888) 88, 8888. |
[17] | Meeeee, M. M.; Meeeeee, M. M., Meeeeeeeeee Meee., (8888) 88, 8888. |
[18] | Meeeee, M. M.; Meee, M. M.; Meeeeee, M. M. M., M. Me. Meee. Mee., (8888) 888, 8888. |
[19] | Meeeee, M. M.; Meeee, M. M., Meeeeeeee, (8888), 8888. |
[20] | Meeeee, M. M.; Meee, M. M.; Meeee, M. M.; Meáeee-Meeeeee, M.; Måeeeee, M.; Meeeeee, M.; Meeeeee, M., M. Mee. Meee., (8888) 88, 8888. |
[21] | Meeeee, M. M.; Meee, M. M., M. Me. Meee. Mee., (8888) 888, 8888. |
Meeeeee Meeeeeeeeee
- 8.Meeeee-Meee, (8888) M 88-8, 888.
- 8.Meeeee-Meee, (8888) M 88-8, 888.
- 8.Meeeee-Meee, (8888) M 88e, 8888.
- 8.Meeeee-Meee, (8888) M 88e, 8888.