Organometallics p. 2550 - 2559 (1989)
Update date:2022-08-03
Topics:
Tao
Silverberg
Rheingold
Heck
Cyclopalladated N,N-dimethylbenzylamine trifluoromethanesulfonate reacts with diphenylacetylene to form a benzofulvene derivative, VIII. New complexes of two alkyne units with one cyclopalladated chloro dimer were prepared including a bis(dimethyl acetylenedicarboxylate)-cyclopalladated dimethylbenzylamine product and a 3-hexyne-cyclopalladated [(dimethylamino)methyl]ferrocene complex. Several 3:1 alkyne to aryl halide compounds have been formed catalytically from aryl iodides or bromides and alkynes. They are pentaalkylcyclopentadiene derivatives II. Methyl o-iodobenzoate with some alkynes yields isocoumarin derivatives. In some cases hexacyclic or tetracyclic 4:2 alkyne to aryl halide products are formed, also. Mechanisms are suggested to explain these and related reactions.
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(1986)Doi:10.1007/s10562-010-0479-9
(2011)Doi:10.1016/j.tetlet.2008.01.021
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(2008)
