Diastereomeric cyclic tris-allenes

作者：Mustafa Hussein H; Baird Mark S^*; Al Dulayymi Juma' a R; Tverezovskiy Viacheslav V

来源：Chemical communications, 2013, 49(25): 2497-2499.

DOI：10.1039/c3cc40354h

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 D-3 symmetry, and is the smallest hydrocarbon synthesised to have this symmetry, and the second has C-2 symmetry.

• 出版日期2013