3 article(s) from Wegner, Hermann A
- Full Research Paper
- Published 29 May 2018
-
PDF -
Album-
![]()
Graphical Abstract
-
![]()
Scheme 1: Half-lives for the thermal Z→E isomerization of all-meta-alkyl-substituted azobenzenes 1–3 in DMSO ...
-
![]()
Scheme 2: Isomerization of N-substituted Z-azobenzenes (a). Rotational equilibrium of (Z)-4 allowing intramol...
-
![]()
Figure 1: a) Optimized geometry of open conformer (R,S)-4 c0. b) NCI plot of the most stable conformer of (R,S...
-
-
Supp. Info
- Full Research Paper
- Published 13 Mar 2018
-
PDF -
Album-
![]()
Graphical Abstract
-
![]()
Scheme 1: Bidentate bisborane Lewis acids.
-
![]()
Scheme 2: Complexation reaction of 5,10-dimethyl-5,10-dihydroboranthrene (A) with Lewis bases analyzed by NMR...
-
![]()
Figure 1: Time-dependent 1H NMR spectra of the air-exposed complex B.
-
![]()
Scheme 3: Synthetic procedures of bisboranes A and B.
-
![]()
Figure 2: ORTEP drawing (50% probability) of complex B.
-
![]()
Figure 3: UV–vis spectrum of complex B was measured in CHCl3 and compared with pyridazine and bisborane A (co...
-
-
Supp. Info
- Full Research Paper
- Published 13 Jun 2012
-
PDF -
Album-
![]()
Graphical Abstract
-
![]()
Figure 1: para-Substituted bisazobiphenyls 1 investigated by Hecht (R1, R2 = H, Me, R3 = t-Bu) and by Woolley...
-
![]()
Figure 2: Synthetic strategy for the assembly of meta-substituted oligo-azobiphenyls 2.
-
![]()
Scheme 1: Synthesis of 2-nitro-4-tert-butyl-6-bromobenzoic acid (6).
-
![]()
Scheme 2: Preparation of nitroso derivative 10.
-
![]()
Scheme 3: Assembly of oligomer 2 by Suzuki cross-coupling and site-selective Mills reaction.
-
![]()
Figure 3: Isomerization studies of compound 13 (a), 15 (b), 16 (c) and 2 (d) (Irradiation at 356 nm in CHCl3)....
-
![]()
Figure 4: Comparison of the absorption as well as the photostationary state of compounds 13, 15, 16, 2.
-
![]()
Figure 5: Four different isomers of 2.
-
-
Supp. Info
