Synthesis p. 537 - 550 (1996)
Update date:2022-08-05
Lange, Tim
Van Loon, Jan-Dirk
Tykwinski, Rik R.
Schreiber, Martin
Diederich, Francois
Synthetic routes towards tetraethynylallene (4), a perethynylated modular entity for the construction of three-dimensional all-carbon networks and all-carbon backbone polymers with a stepladder or helical structure, are presented. They comprise propargylic rearrangements, cyclopropanations with carbenes, Peterson and Wittig-type olefinations, and alkylations of ketones with α-bromovinyl anions.
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