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. 2013 Mar 28;49(25):2497-9.
doi: 10.1039/c3cc40354h.

Diastereomeric cyclic tris-allenes

Hussein H Mustafa  1 , Mark S Baird, Juma'a R Al Dulayymi, Viacheslav V Tverezovskiy
Affiliations

Diastereomeric cyclic tris-allenes

Hussein H Mustafa et al. Chem Commun (Camb). .

Abstract

Both diastereomers of the tris-allene, cyclododeca-1,2,5,6,9,10-hexaene have been obtained using a triple cyclopropylidene-allene rearrangement. On the NMR timescale, one has D3 symmetry, and is the smallest hydrocarbon synthesised to have this symmetry, and the second has C2 symmetry.

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