Volume 38, Issue 13-14 pp. 1940-1943
Communication

Expanded Radialenes: Modular Synthesis and Characterization of Cross-Conjugated Enyne Macrocycles

Sara Eisler

Sara Eisler

Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2 (Canada), Fax: (+1) 780-492-8231

Search for more papers by this author
Rik R. Tykwinski

Rik R. Tykwinski

Department of Chemistry, University of Alberta, Edmonton, AB T6G 2G2 (Canada), Fax: (+1) 780-492-8231

Search for more papers by this author

Abstract

Stepwise palladium-catalyzed cross-coupling between terminal alkynes and vinyl triflates afforded the first cross-conjugated enyne macrocycles constructed of 3-alkylidene-1-propynyl [−C≡C−C(=CR2)−] building blocks, namely, the expanded radialene 1 and the hybrid radialene 2.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.