Results 31 to 40 of about 34,032 (255)

Dearomative, Intramolecular Bromoetherification of Carbohydrate‐derived Glycosyl Furans: Access to Enantiopure 6‐Bromo‐Furo[3,2‐b]furans

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract Glycosyl furans represent versatile chiral platform molecules that can be readily accessed via the Garcia Gonzalez reaction. Herein, we report a dearomative, intramolecular bromoetherification of carbohydrate‐derived glycosyl furans to generate enantiopure 6‐bromo‐furo[3,2‐b]furans in up to 69% yield. The method employs N‐Br aromatic amides as
William J. Berkey   +5 more
wiley   +1 more source

PCBs and dioxins/furans in attic dust collected near former PCB production and secondary copper facilities in Sauget, IL [PDF]

open access: yes, 2011
Samples of settled attic dust from fourteen buildings located within two miles of the Solutia W.G. Krummrich and Cerro Flow Products facilities in Sauget, Illinois were analyzed for PCBs and dioxins/furans using HRGC/HRMS.
Feng, Lydia   +6 more
core   +5 more sources

Greening Consumer Electronics: Moving Away From Bromine and Chlorine [PDF]

open access: yes, 2009
Presents case studies of seven electronics companies that have engineered environmental solutions that eliminate the use of most brominated and chlorinated chemicals that generate toxic materials.
Alexandra McPherson   +2 more
core  

Development of Photo‐Biocatalytic Redox System for Asymmetric Synthesis of Optically Active Amines Using Blue Light and Transaminases. A Case Study Toward Mavacamten

open access: yesAdvanced Synthesis &Catalysis, EarlyView.
Abstract α‐Chiral amines are versatile building blocks for the asymmetric synthesis of optically pure high‐added‐value chemicals, including pharmaceuticals, agrochemicals, and natural products. Herein, we report a one‐pot, two‐step sequential deracemization of racemic sec‐alcohols to optically enriched primary amines throught a photo‐biocatalytic ...
Natalia Antos   +5 more
wiley   +1 more source

Response to Corner Brook Pulp & Paper Tire Derived Fuel (TDF) Co-Firing Trial Project Proponent: Corner Brook Pulp & Paper Ltd. (Reg. 1539) [PDF]

open access: yes, 2010
While acknowledging potential economic benefits for Corner Brook Pulp and Paper (CBPP) in using tire-derived fuel (TDF), we remain unconvinced of the net public and environmental health benefits of its use and are concerned with the methodology of the ...
Curtis, Gerard   +8 more
core  

Mechanochemistry: Fundamental Principles and Applications

open access: yesAdvanced Science, EarlyView.
In this review, the physicochemical principles of mechanochemistry are first clarified. Based on this foundation, the research basis and cutting‐edge scientific achievements in four areas are introduced: solid‐state organic chemistry, polymers, interface science, and biomechanochemistry.
Liang Dong   +4 more
wiley   +1 more source

Continuous Flow Synthesis of Nitrofuran Pharmaceuticals Using Acetyl Nitrate

open access: yesAngewandte Chemie, EarlyView.
A robust, automated continuous flow system enables safe, high‐yield nitration of furfural to key nitrofuran intermediates using in situ acetyl nitrate generation. Demonstrated on representative essential World Health Organization (WHO) active pharmaceutical ingredients (API), this innovative open‐source platform ensures rapid synthesis, enhanced safety,
Hubert Hellwig   +8 more
wiley   +2 more sources

Furan carcinogenicity: DNA binding and genotoxicity of furan in rats in vivo [PDF]

open access: yesMolecular Nutrition & Food Research, 2012
ScopeFuran is a potent hepatotoxicant and liver carcinogen in rodents. However, short‐term tests for genotoxicity of furan are inconclusive. The aim of this study was to assess the potential of furan to covalently bind to DNA, and to assess furan genotoxicity in rats in vivo.Materials and methodsAccelerator mass spectrometry was used to determine the ...
Kenneth W. Turteltaub   +7 more
openaire   +3 more sources

Assessment of risks related to agricultural use of sewage sludge, pig and cattle slurry [PDF]

open access: yes, 2019
In April 2017, the Organic Business Development Team released a report with 25 recommendations for the Minister of Environment and Food (Det økologiske erhvervsteam 2017).
Brandt, Kristian Kofoed   +4 more
core  

One‐Pot Synthesis of Chiral Succinate Dehydrogenase Inhibitors and Antifungal Activity Studies

open access: yesAdvanced Science, EarlyView.
This work describes an efficient synthetic method for chiral succinate dehydrogenase inhibitors, showcasing their potent and broad‐spectrum antifungal properties. Notably, substantial differences in biological activity between the enantiomers have been observed, underscoring the pivotal role of stereochemistry in the development of fungicides ...
Donghua Du   +4 more
wiley   +1 more source

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