Results 121 to 130 of about 6,045 (246)

Remarkable Formation of Indene Derivatives Upon Friedel–Crafts Acylation Reactions

European Journal of Organic Chemistry, EarlyView.
This shows indene derivatives. Under the reaction conditions of a Friedel–Crafts acylation, alkyl benzenes underwent an unprecedented cyclopentannulation furnishing indene derivatives. Alkylbenzene derivatives react with two equivalents of pivaloyl chloride (PivCl) in the presence of aluminum trichloride under formation of indene derivatives with up to
Leah Bantel, Neels Kruse, Marc Schmidtmann, Jens Christoffers   +3 more
wiley   +1 more source

Synthesis of aryl-fused bicyclo[3.1.1]heptanes and validation as naphthyl bioisosteres. [PDF]

Nat Chem
Kerckhoffs A, Tregear M, Hernández-Lladó P, Runfola M, Shearsmith H, Frank N, Panosetti M, Squire SE, Moir L, Christensen KE, Duarte F, Davies KE, Russell AJ.   +12 more
europepmc   +1 more source

Dibenzosuberene‐Winged Polycyclic Aromatic Hydrocarbons

European Journal of Organic Chemistry, EarlyView.
The twisted acene 8, which features two dibenzosuberene “wings”, was prepared by the addition of a crowded aryne to a similarly “winged” cyclopentadienone. Compound 8 is chiral, and it has a high barrier to thermal racemization (ΔG‡rac = 36 kcal/mol), but it undergoes fast photochemical racemization even in ambient light.
Mingshu Xie, Xiaodong Zhang, Michael W. Johnson, Robert A. Pascal Jr   +3 more
wiley   +1 more source

Visible-light-enabled excited-state dearomatization reactions. [PDF]

Sci Adv
Li M, Cheng YZ, You SL.
europepmc   +1 more source

Investigation and Evaluation of Wax Deposition Treatment Methods in Large Natural Gas Plants

Energy Science &Engineering, EarlyView.
Problem: Wax blockage (Biphenyl, PAHs) in low‐temperature units crippled plant capacity. Solution: A novel Circulating Light Hydrocarbon Injection technology. Mechanism: Light hydrocarbons disrupt wax crystals via “like dissolves like” and are continuously recovered. Outcome: 1. Throughput dropped from 10 MMscmd to 3 MMscmd 2.
Jiahao Wu, Xing Chen, Fanzeng Yang, Kejia Zhang, Zhihan Cao, Xuyang Zhang, Dong Jiang   +6 more
wiley   +1 more source

Manganese-Catalyzed Enantioselective Dearomative Epoxidation of Naphthalenes with Aqueous Hydrogen Peroxide. [PDF]

Angew Chem Int Ed Engl
Choukairi Afailal N, Chan SC, Costas M.
europepmc   +1 more source

Material design strategies for flexible n‐type polymer semiconductors

FlexMat, EarlyView.
This Perspective surveys recent progress in flexible n‐type polymer semiconductors, emphasizing the interplay between molecular design and microstructure control. It outlines strategies including backbone and side‐chain engineering, multilevel microstructure optimization, to maintain charge‐transport pathways under mechanical deformation.
Xiao‐Yan Zhang, Yang‐Yang Zhou, Jie‐Yu Wang, Jian Pei, Ze‐Fan Yao   +4 more
wiley   +1 more source

Fluorene‐based blue emitters: On the path to electrically pumped organic lasers

FlexMat, EarlyView.
Electrically pumped efficient operation remains unrealized, a major challenge in optoelectronics. Fluorene‐based blue‐emitting semiconductors are promising gain media, thanks to their structural tunability and favorable emission properties. This review summarizes recent advances, highlights their reliability and versatility in lasing, and outlines key ...
Yong Yan, Hao Li, Mengna Yu, Huiyin Wang, Jiangqiang He, Menghan Wu, Quanyou Feng, Linghai Xie   +7 more
wiley   +1 more source

Pathways of Conversion of Middle Distillate Hydrocarbons in Deep Catalytic Cracking to Produce Light Olefins. [PDF]

ACS Omega
Atlasov VR, Palankoev TA, Dement'ev KI.
europepmc   +1 more source

The role of additives in the film formation kinetics of active layers in organic solar cells: From in situ characterization to mechanistic elucidation

FlexMat, EarlyView.
This review highlights the critical regulatory role of liquid and solid additives in the film formation kinetics of organic solar cells (OSCs) active layer. Real‐time in situ characterization technology techniques (in situ UV‐Vis, PL, GIWAXS, and GISAXS) are utilized to monitor the dynamic solution‐to‐solid transformation, revealing how additives ...
Yuanwei Zhao, Weichao Zhang, Tianyu Zhang, Jigui Tang, Yali Chen, Zheling Zhang, Dongjie Wang, Jian Zhang, Huiqiong Zhou   +8 more
wiley   +1 more source