Chemistry Reference
In-Depth Information
178. Mac´as-Ruvalcaba NA, Evans DH (2007) Electron transfer and structural change:
distinguishing concerted and two-step processes. Chem Eur J 13:4386-4395
179. Ahlberg E, Hammerich O, Parker VD (1981) Electron-transfer reactions accompanied by
large structural changes. 1. Lucigenin - 10,10
0
-dimethyl-9,9
0
-biacridylicene redox system. J
Am Chem Soc 103:844-849
180. Mills NS, Benish M (2006) The aromaticity/antiaromaticity continuum. 1. Comparison of the
aromaticity of the dianion and the antiaromaticity of the dication of tetrabenzo[5,5]fulvalene
via magnetic measures. J Org Chem 71:2207-2213
181. Eliel EL, Wilen SH, Mander LN (1994) Stereochemistry of organic compounds. Wiley, New
York, pp 546-548
182. Oki M (1985) Olefins in which the transition state for rotation is selectively stabilized. In: Oki
M (ed) Methods in stereochemical analysis, vol 4, Applications of dynamic NMR spectros-
copy to organic chemistry. VCH, Deerfield Beach, pp 108-111
183. Sutherland IO (1971) The Investigation of the kinetics of conformational changes by nuclear
magnetic resonance spectroscopy. Annu Rep NMR Spectrosc 4:71-235
184. Gault IR, Ollis WD, Sutherland IO (1970) Conformational behavior of bisfluorenylidenes.
Chem Commun 269-271
185. Agranat I, Tapuhi Y (1976) Fast thermal
E,
Z isomerization in symmetrical overcrowded
ethylenes. Low barriers due to ground-state destabilization. J Am Chem Soc 98:615-616
186. Kuhn R, Zahn H, Scholler KL (1953)
¨
ber stereoisomere 2,2
0
-Diamino-bisdiphenylen-
¨thylene. Justus Liebigs Ann Chem 582:196-217
187. Jager WF, de Lange B, Feringa BL (1992) Chiroptical molecular switches 2; Resolution,
properties and applications of
inherent dissymmetric alkenes. Mol Cryst Liq Cryst
217:133-138
188. Feringa BL, Jager WF, de Lange B (1992) Resolution of sterically overcrowded ethylenes; a
remarkable correlation between bond lengths and racemization barriers. Tetrahedron Lett
33:2887-2890
189. Agranat
isomerization of 5,5
0
-bis-5H-dibenzo[a, d]
I, Suissa MR (1993) Syn, anti
cyclohepten-5-ylidene. Struct Chem 4:59-66
190. Kalinowski HO, Kessler H (1973) Fast isomerizations about double bonds. Top Stereochem
7:295-383
191. Doering WvE, Roth WR, Bauer F, Breuckmann R, Ebbrecht T, Herbold M, Schmidt R,
Lennartz HW, Lenoir D, Boese R (1989) Rotationsbarrieren gespannter Olefine. Chem Ber
122:1263-1275
192. Leigh WJ, Arnold DR (1981) Merostabilization in radical ions, triplets, and biradicals. 5. The
thermal cis-trans isomerization of para-substituted tetraphenylethylenes. Can J Chem
59:609-620
193. Agranat I, Tapuhi Y (1977) Double edged steric effects in fast thermal
Z, E
-isomerization of
overcrowded ethylenes. Evidence against an orthogonal biradical transition state. Noveau J
Chim 1:361-362
194. Sch
¨
nberg A, Sodtke U, Praefcke K (1969) Darstellung, Reaktionen und Stereochemie der
2.3;6.7;2
0
.3
0
;6
0
.7
0
-tetrabenzo-heptafulvalene. Chem Ber 102:1453-1467
195. Sch
¨
nberg A, Sodtke U, Praefcke K (1968)
¨
ber Stereoisomere und Photochemie des
2.3;6.7;2
0
.3
0
;6
0
.7
0
-Tetrabenzo-heptafulvalens. Tetrahedron Lett 9:3253-3256
196. Bergmann ED, Rabinovitz M, Agranat I (1968) The spatial structure of tetrabenzohepta-
fulvalene. Chem Commun 334-335
197. Pullman B, Pullman A, Berthier G, Points J (1952) Fulv`nes et ´thyl`nes thermochromes
(21e parite). Structure et spectres d'absorption de la bianthrone, de la benzhydrylid`ne-
anthrone et de la fluor´nylid`ne-anthrone. Bull Soc Chim France 271-275
198. Kazama S, Kamiya M, Akahori Y (1981) Study of conformation of anion radicals of some
thermochromic ethylenes by electron spin resonance spectroscopy and semi-empirical
molecular orbital calculations. Chem Pharm Bull 29:3375-3378
