Navigation

0 Hits

  • Previous / Next

You are using Science Of Synthesis as a Guest.
Please login to access the full content or check if you have access via
1.1.1.2 Diene–Diene Cycloadditions

DOI: 10.1055/sos-SD-001-00002

Montgomery, J.Science of Synthesis, (2001113.

The most widely used application of nickeldiene 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 HoubenWeyl, Vol.E18, pp93 and 932937). 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 79 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.[‌88‌‌88‌] 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 (888ee, 8.888eeee), eeeeeee (888eM), eeeeeeeeeee (88μM, MM eeeeeeee eeeeeeee), eee eeee(eeeeeeee-8-ee) eeeeeeeee (888ee, 8.888eeee) ee eeeeeee (88eM) eeeee eeeee. Mee eeeee eee eeee eeeeee ee 88°M eee 8.88M [Me(eee)8] (8) ee eeeeeee (8.88eM) 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 (8e). Mee eeeeeeee eee eeeeeee ee eeee eee eeee eeeeeeee ee eeeeeeee ee eee eee 8e. 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, 88ee×88ee, eeeeee) eeeeeeee (8M*,88M*)-88 eee (8M*,88M*)-88 ee eeeee eeee; eeeeee: 88.8ee (88%) eee 88.8ee (8%), eeeeeeeeeeee.

References


Cookie-Einstellungen