Results 81 to 90 of about 72,846 (301)

Iron‐Photocatalyzed C(sp3)–H Phosphonylation of Alkanes

Angewandte Chemie, EarlyView.
Alkyl phosphonates are valuable motifs that can be prepared by phosphonylations of various common functional groups. However, direct phosphonylations of C(sp3)–H bonds are limited to activated positions. Herein, we report an iron‐photocatalyzed phosphonylation of unactivated C(sp3)–H bonds using a novel phosphite radical trap, which is equipped with an
Ya Dong, Wangyujing Han, Hanwen Zhang, Santosh K. Pagire, Harry Meats, Adam Noble, Varinder K. Aggarwal   +6 more
wiley   +2 more sources

Threefold Spiral Structure Constructed by 1D Chains of [[M(NCS)₂(bpa)₂]·biphenyl]_n (M = Fe, Co; bpa = 1,2-bis(4-pyridyl)ethane)

Crystals, 2019
Assembled complexes [[M(NCS)2(bpa)2]·biphenyl]n (M = Fe, Co; bpa = 1,2-bis(4-pyridyl)ethane) have been synthesized because [Fe(NCBH3)2(bpa)2·biphenyl]n has a novel threefold spiral structure and shows stepwise spin-crossover phenomenon.
Satoshi Tokinobu, Haruka Dote, Satoru Nakashima   +2 more
doaj   +1 more source

Carboxyphenolate Coordination Frameworks for High‐Voltage Calcium Storage

Advanced Science, EarlyView.
A hexaanionic carboxyphenolate coordination framework, Ca2‐M‐THBPD (M = Mg, Ca, Ba), exhibits ligand‐centered enolate‐quinonoid redox activity enabling tunable, high‐voltage Ca2+ storage (3.5 V vs Ca2+/Ca) modulated by spectator cations. The amorphous structure accommodates reversible divalent‐ion insertion, contributing to enhanced cycling stability ...
Vasudeva Rao Bakuru, Darsi Rambabu, Xiaodong Lin, Robert Markowski, Petru Apostol, Viliam Frano, Xiaolong Guo, Taniya Purkait, Shubhadeep Pal, Tom Goossens, Da Tie, Augustin Ramackers, Alexandru Vlad   +12 more
wiley   +1 more source

Maternal exposure to polychlorinated biphenyls and the secondary sex ratio: an occupational cohort study

Environmental Health, 2011
Background Though commercial production of polychlorinated biphenyls was banned in the United States in 1977, exposure continues due to their environmental persistence.
Waters Martha A, Lawson Christina C, Ruder Avima M, Deddens James A, Bertke Stephen J, Rocheleau Carissa M, Hopf Nancy B, Riggs Margaret A, Whelan Elizabeth A   +8 more
doaj   +1 more source

Asymmetrically Fluorinated Phenyl 4‐biphenylcarboxylate Motifs as a Design Principle for Enantiotropic Ferroelectric Liquid Crystals

Advanced Science, EarlyView.
The effect of the structural arrangement of DIO and its analogs on ferroelectric phases is explored. Consequently, it is found that an asymmetrically fluorinated phenyl 4‐biphenylcaroboxylate skeleton is one of the favorable structural motifs for the emergence of enantiotropic ferroelectric liquid crystal phases.
Hiroyuki Matsukizono, Koichiro Hayashi, Keiko Kojima, Yasushi Okumura, Hirotsugu Kikuchi   +4 more
wiley   +1 more source

Bioconversion of biphenyl to a polyhydroxyalkanoate copolymer by Alcaligenes denitrificans A41

AMB Express, 2020
A polyhydroxyalkanoate (PHA) copolymer, poly(3-hydroxybutyrate-co-3-hydroxyvalerate) [P(3HB-co-3HV)], was biosynthesized from biphenyl as the sole carbon source using Alcaligenes (currently Achromobacter) denitrificans A41.
Taito Yajima, Mizuki Nagatomo, Aiko Wakabayashi, Michio Sato, Seiichi Taguchi, Michihisa Maeda   +5 more
doaj   +1 more source

Kinetics and Mechanism of the Stereochemical Isomerization of an Arene−Ruthenium Complex of the Atropisomeric Ligand 1,1‘-Biphenyl-2,2‘-diamine

, 2016
(η6-Benzene)(δ/λ-1,1‘-biphenyl-2,2‘-diamine)chlorometal(II) hexafluorophosphate (1; metal = ruthenium, osmium) have been synthesized. The rigid nature of the seven-membered chelate ring formed by the 1,1‘-biphenyl-2,2‘-diamine (dabp) ligand renders the ...
Michael T. Ashby (2067304), Susan S. Alguindigue (2722657), Masood A. Khan (452032)   +2 more
core   +1 more source

A Folded, Structure‐Integrated Bimodal Sensor Enabling Non‐Contact and Tactile Perception for Intelligent Robots

Advanced Science, EarlyView.
A foldable bimodal sensor integrates a triboelectric nanogenerator and graphene piezoresistive effect into a monolithic laser‐induced graphene film. It enables synchronous non‐contact and tactile perception, achieving a distance of 110 mm, a sensitivity of 11.2 kPa−1, and a response time of 10 ms.
Weixiong Yang, Yuhan Guo, Mingguang Han, Bin Feng, Yuan Ma, Bingang Xu, Fu Liu, Dan Wang, Pingping Hao, Xilun Ding, Sida Luo   +10 more
wiley   +1 more source

Control of asymmetric biaryl conformations with terpenol moieties: Syntheses, structures and energetics of new enantiopure C2-symmetric diols

Beilstein Journal of Organic Chemistry, 2008
New enantiopure, C2-symmetric biphenyl-2,2′-diols based on (−)-menthone (BIMOL), (−)-verbenone (BIVOL) and (−)-carvone (BICOL and hydrogenated BIMEOL), are accessible via short, synthetic routes. All diols form intramolecular hydrogen bonds and hence can
Y. Alpagut, B. Goldfuss, J.-M. Neudörfl
doaj   +1 more source

4-Benzyloxy-1,1′-biphenyl

IUCrData, 2016
In the title compound, C19H16O, the dihedral angle between the benzene rings of the biphenyl unit is 1.54 (13)° and the C—O—C—C torsion angle is 174.4 (2)°.
Farook Adam, Nadiah Ameram, Shevgoor Dhiraj Kamath, Pallavi, Seranthimata Samshuddin   +4 more
doaj   +1 more source