Total syntheses of angular [7]-, [8]-, and [9]phenylene by triple cobalt-catalyzed cycloisomerization: remarkably flexible heliphenes.
Center for New Directions in Organic Synthesis, Department of Chemistry, University of California at Berkeley and the Chemical Sciences Division, Lawrence Berkeley National Laboratory, CA 94720-1460, USA.
Sangdon
S
Han
D Ryan
DR
Anderson
Andrew D
AD
Bond
Hiufung V
HV
Chu
Raymond L
RL
Disch
Daniel
D
Holmes
Jerome M
JM
Schulman
Simon J
SJ
Teat
K Peter C
KP
Vollhardt
Glenn D
GD
Whitener