Recent advances in functionalizations of helicene backbone

M Jakubec, J Storch - The Journal of Organic Chemistry, 2020 - ACS Publications
Helicenes, chiral members of the family of polyaromatic hydrocarbons, have been
increasingly used in a variety of applications in recent years. Despite their intriguing …

Efficient Narrowband Circularly Polarized Light Emitters Based on 1, 4‐B, N‐embedded Rigid Donor–Acceptor Helicenes

F Zhang, F Rauch, A Swain, TB Marder… - Angewandte …, 2023 - Wiley Online Library
Narrow‐band emission is essential for applicable circularly polarized luminescence (CPL)
active materials in ultrahigh‐definition CP‐OLEDs. One of the most promising classes of …

Modular synthesis of organoboron helically chiral compounds: cutouts from extended helices

J Full, SP Panchal, J Götz, AM Krause… - Angewandte Chemie …, 2021 - Wiley Online Library
Two types of helically chiral compounds bearing one and two boron atoms were synthesized
by a modular approach. Formation of the helical scaffolds was executed by the introduction …

Helically Chiral Donor–Acceptor Double Hetero [4] helicenes with Circularly Polarized Thermally Activated Delayed Fluorescence

C Qu, Y Zhu, L Liang, K Ye, Y Zhang… - Advanced Optical …, 2023 - Wiley Online Library
Although helically chiral heterohelicenes are widely adopted in chiroptical studies, those
with circularly polarized thermally activated delayed fluorescence (CP‐TADF), which are …

Triarylborane-based [5] helicenes with full-color circularly polarized luminescence

ZH Zhao, X Liang, MX He, MY Zhang, CH Zhao - Organic letters, 2019 - ACS Publications
The efficient synthetic route was disclosed to prepare optically active triarylborane-based [5]
helicenes, 7B-PhHC and 7B5N-PhHC. Their emission wavelengths are tunable by both the …

Computationally Guided Molecular Design to Minimize the LE/CT Gap in D‐π‐A Fluorinated Triarylboranes for Efficient TADF via D and π‐Bridge Tuning

AK Narsaria, F Rauch, J Krebs, P Endres… - Advanced Functional …, 2020 - Wiley Online Library
In this combined experimental and theoretical study, a computational protocol is reported to
predict the excited states in D‐π‐A compounds containing the B (FXyl) 2 (FXyl= 2, 6‐bis …

Synthesis and Structure of an o‐Carboranyl‐Substituted Three‐Coordinate Borane Radical Anion

J Krebs, M Haehnel, I Krummenacher… - … A European Journal, 2021 - Wiley Online Library
Abstract Bis (1‐(4‐tolyl)‐carboran‐2‐yl)‐(4‐tolyl)‐borane [(1‐(4‐MeC6H4)‐closo‐1, 2‐
C2B10H10‐2‐) 2 (4‐MeC6H4) B](1), a new bis (o‐carboranyl)‐(R)‐borane was synthesised …

Design and Synthesis of Far‐Red to Near‐Infrared Chromophores with Pyrazine‐Based Boron Complexes

H Takahashi, H Watanabe, S Ito… - Chemistry–An Asian …, 2023 - Wiley Online Library
We synthesized new binuclear boron complexes based on pyrazine with ortho and para
substitution patterns. It was demonstrated that the para‐linked complexes possess a …

Highly stable, readily reducible, fluorescent, trifluoromethylated 9‐borafluorenes

F Rauch, S Fuchs, A Friedrich, D Sieh… - … A European Journal, 2020 - Wiley Online Library
Three different perfluoroalkylated borafluorenes (FBf) were prepared and their electronic
and photophysical properties were investigated. The systems have four trifluoromethyl …

Oxygen-bridged boron derivatives as electron transport and thermally activated delayed fluorescence host materials for high-performance phosphorescent organic …

SH Jeong, JS Im, DR Lee, HJ Ahn, JY Kim… - Journal of Materials …, 2023 - pubs.rsc.org
Oxygen-bridged boron (BO) derivatives, 3, 11-di (9H-carbazol-9-yl)-5, 9-dioxa-13b-
boranaphtho [3, 2, 1-de] anthracene (p-BO-2Cz) and 2, 12-di (9H-carbazol-9-yl)-5, 9-dioxa …