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of nonaromatic cyclic π-electron systems. 3. The perimeter model for low-symmetry “Unaromatic” and “Ambiaromatic” molecules derived from 4N-electron [n]annulenes. J Phys Chem
A 104:7762–7775; (c) Fleischhauer J, Höweler U, Spanget-Larsen J, Raabe G, Michl J (2004)
Magnetic circular dichroism of nonaromatic cyclic π-electron systems. 5. Biphenylene and its
aza analogues. J Phys Chem A 108:3225–3234
Chan JYM, Kawata T, Kobayashi N, Ng DKP (2019) Boron(III) carbazosubphthalocyanines: coreexpanded antiaromatic boron(III) subphthalocyanine analogues. Angew Chem Int Ed 58:2272–
2277
Chen Z, Wannere CS, Corminboeuf C, Puchta R, PvR Schleyer (2005) Nucleus-independent
chemical shifts (NICS) as an aromaticity criterion. Chem Rev 105:3842–3888
Geuenich D, Hess K, Köhler F, Herges R (2005) Anisotropy of the induced current density (ACID),
a general method to quantify and visualize electronic delocalization. Chem Rev 105:3758–3772
(a) Shimizu S, Kobayashi N (2014) Structurally-modified subphthalocyanines: molecular design
towards realization of expected properties from the electronic structure and structural features
of subphthalocyanine. Chem Commun 50:6949–6966; (b) Shimizu S, Furuta H (2015) Coremodified phthalocyanines and subphthalocyanines: a synthetic strategy towards core-modification
and novel properties arising from the inner ring-expansion. Macroheterocycles 8:332–342
S. Shimizu
of nonaromatic cyclic π-electron systems. 3. The perimeter model for low-symmetry “Unaromatic” and “Ambiaromatic” molecules derived from 4N-electron [n]annulenes. J Phys Chem
A 104:7762–7775; (c) Fleischhauer J, Höweler U, Spanget-Larsen J, Raabe G, Michl J (2004)
Magnetic circular dichroism of nonaromatic cyclic π-electron systems. 5. Biphenylene and its
aza analogues. J Phys Chem A 108:3225–3234
Chan JYM, Kawata T, Kobayashi N, Ng DKP (2019) Boron(III) carbazosubphthalocyanines: coreexpanded antiaromatic boron(III) subphthalocyanine analogues. Angew Chem Int Ed 58:2272–
2277
Chen Z, Wannere CS, Corminboeuf C, Puchta R, PvR Schleyer (2005) Nucleus-independent
chemical shifts (NICS) as an aromaticity criterion. Chem Rev 105:3842–3888
Geuenich D, Hess K, Köhler F, Herges R (2005) Anisotropy of the induced current density (ACID),
a general method to quantify and visualize electronic delocalization. Chem Rev 105:3758–3772
(a) Shimizu S, Kobayashi N (2014) Structurally-modified subphthalocyanines: molecular design
towards realization of expected properties from the electronic structure and structural features
of subphthalocyanine. Chem Commun 50:6949–6966; (b) Shimizu S, Furuta H (2015) Coremodified phthalocyanines and subphthalocyanines: a synthetic strategy towards core-modification
and novel properties arising from the inner ring-expansion. Macroheterocycles 8:332–342