Results 131 to 140 of about 12,432 (295)

Synthesis, toxicological and in silico evaluation of novel spiro pyrimidines against Culex pipiens L. referring to chitinase enzyme

Scientific Reports
The exponential development of resistance to conventional chemical insecticides adds another important motive for the creation of novel insecticidal active agents.
Eslam M. Abbass, Ali Khalil Ali, Ahmed F. El-Farargy, Doaa R. Abdel-Haleem, Safaa S. Shaban   +4 more
doaj   +1 more source

Baeyer-Villiger monooxygenase-catalyzed desymmetrizations of cyclobutanones. Application to the synthesis of valuable spirolactones [PDF]

, 2016
Collado, Iván, Frutos, Óscar de, García Cerrada, Susana, Gotor Fernández, Vicente, Gotor Santamaría, Vicente Miguel, Lavandera García, Iván, Mendiola, Javier, Rodríguez Mata, María   +7 more
core   +2 more sources

Advances in Spiro Compounds [PDF]

, 1980
Spiro compounds (also named as spiranes following the suggestion of Adolf von Baeyer as early as 1900) are ubiquitous molecules, which contain a fused bicyclic system that share a single atom.
Burke, Anthony, Somsák, Lazlo
core  

SPIRO-COMPOUNDS. PART IV FORMATION OF SPIRO- COMPOUNDS FROM CYCLOPENTANONE. SYNTHESIS OF CYCLOPENTANE-SPIRO-CYCLOPENTANE AND ITS DERIVATIVES.

, 1937
SPIRO-COMPOUNDS. PART IV FORMATION OF SPIRO- COMPOUNDS FROM CYCLOPENTANONE. SYNTHESIS OF CYCLOPENTANE-SPIRO-CYCLOPENTANE AND ITS DERIVATIVES.
openaire   +1 more source

CXIX.—The formation and stability of spiro-compounds. Part I. spiro-Compounds from cyclohexane [PDF]

J. Chem. Soc., Trans., 1915
Richard Moore Beesley, Christopher Kelk Ingold, Jocelyn Field Thorpe   +2 more
openaire   +1 more source

Quantifying Optical Disorder in CsFaPb(Br,I)3 Perovskites via Urbach Energy Analysis Using OPAL2 Fresnel‐Based Simulations

Advanced Physics Research, EarlyView.
ABSTRACT This study examines light‐matter interactions in CsFAPb(Br, I)3 perovskite thin films by analyzing their absorption, reflection, and emission properties using Fresnel‐based OPAL2 simulations. The optical spectra show sharp absorption edges at 1.55 – 1.60 eV for CH3NH3PbI3 and triple‐cation perovskites, which blue‐shift to ∼1.8 eV with ...
Miller Shatsala, Celline Awino, Maxwell Mageto, Hussein Golicha   +3 more
wiley   +1 more source

Halide perovskites in wide‐spectrum photodetection

Bulletin of the Korean Chemical Society, EarlyView.
Recent advances in perovskite‐based photodetectors (PPDs), phototransistors, and photoconductors are technically discussed in this review. Moreover, the mechanism behind different harvesting processes in perovskite following the energy of photons is explained, where the gamma or x‐rays are ionizing.
Somayeh Gholipour, Reza Rahighi, Mohammad Panahi, Muhammad Naufal Lintangpradipto, Reza Ghayoor, Michael Saliba   +5 more
wiley   +1 more source

Defect engineering for highly efficient and stable perovskite top cells for Si tandems

Bulletin of the Korean Chemical Society, EarlyView.
Defect passivation in wide‐bandgap perovskites is essential for enabling high‐efficiency and stable perovskite/Si tandem solar cells. Bulk, surface, and buried‐interface passivation strategies focus on suppressing nonradiative recombination, ion migration, and halide segregation, thereby clarifying critical design principles for next‐generation tandem ...
Ju Yeong Hong, Young Seon Yoon, Jin Young Kim   +2 more
wiley   +1 more source

Synthesis, Molecular Docking Study, Anti-Oxidant and Cytotoxicity Evaluation of New Spiro Six Membered Ring Derivatives of 5-nitro isatin

Iraqi Journal of Pharmaceutical Sciences
Spiro-5-nitro isatino six memberd ring (quinazoline-4-one, thiazine-4-one and oxazine-4-one) respectively were produced by a cycloaddition of 5-nitro isatin Schiff bases [1–5] with anthranilic acid, o-mercapto benzoic acid and salicylic acid.
Hala Ayad Mohamed Rasheed, Suaad M. H. Al-Majidi   +1 more
doaj   +1 more source

Carbon‐14 Perovskite Betavoltaics Reach Record 10.79% Efficiency

Carbon Energy, EarlyView.
A perovskite‐based betavoltaic cell incorporating carbon‐14 nanoparticles and formamidinium lead iodide achieves a record energy conversion efficiency of 10.79%. The device design enhances charge generation through an electron avalanche multiplication mechanism.
Hong Soo Kim, Ryan Rhee, Junho Lee, Muhammad Bilal Naseem, Jung Hwan Lee, Jong Hyeok Park, Su‐Il In   +6 more
wiley   +1 more source