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The selections or defaults defined for this collection may have been too restrictive for this search query. You can refine your results for this search. 03/30/2020 10:27
The Honor Play 9A was unveiled today, a budget-conscious entry to the company's lineup. It houses a large 5,000mAh battery - that's 1,000mAh more than the Honor 9X and Play 3 have - but is missing their 48MP camera. Night Black, Blue Emerald and Jasper Green. The 9A has a 6.3" LCD on the front with 720p+ resolution (20:9 aspect ratio), it covers 70% of the NTSC color space. Nestled in a teardrop notch on top is an 8MP selfie camera with 1080p video recording capabilities. Around the back is a 13MP main camera (f/1.8 aperture) that also shoots video in 1080p. Next to it is a...
Total Retail 03/30/2020 10:19
For many years, customer experience experts have stressed the importance of balancing the convenience of self-service and digital channels, with the loyalty-building power of human interaction. Stein Mart, a national specialty omnichannel off-price retailer offering designer and name-brand fashion apparel, home décor, accessories and shoes at everyday discount prices, aimed to harness the best of […]
We report tandem alkyl‐arylations and phosphonyl‐arylations of vinyl ureas by way of a photocatalytic radical‐polar crossover mechanism. Addition of photoredox‐generated radicals to the alkene forms a new C–C or C–P bond and generates a product radical adjacent to the urea function. Reductive termination of the photocatalytic cycle generates an anion that undergoes a polar Truce‐Smiles rearrangement, forming a C–C bond. The reaction is successful with a range of α‐fluorinated alkyl sodium sulfinate salts and diarylphosphine oxides as radical precursors, and the conformationally accelerated Truce‐Smiles rearrangement is not restricted by the electronic nature of the migrating aromatic ring. Formally the reaction constitutes an α,β‐difuctiona.
The C‐O bond cleavage for activation of alcohols is synthetically useful and practically challenging. This work describes carbazate as a new type of electrochemically activated alkylating agent derived from ubiquitous alcohols for direct functionalization of heteroarenes under mild electrolytic conditions. The simple undivided cell at low oxidative potentials with carbon/platinum electrode set‐ups offers excellent substrate tolerance, affording a variety of primary, secondary and tertiary alkyl‐decorated heterocycles in good chemical yields. Furthermore, the mechanism for this electrochemical deoxyalkylation reaction has been investigated.
Recent advances in scanning probe microscopy on surface enable not only direct observation of molecular structures but also local probe reactions, in which unstable short‐lived products have been synthesized and analyzed. Here, we demonstrate an endergonic reaction to synthesize a single Sondheimer‐Wong diyne from 6,13‐dibromopentaleno[1,2‐ b :4,5‐ b’ ]dinaphthalene by local probe chemistry on a ultra‐thin film of NaCl formed on a Cu(111) surface at 4.3 K. The structures of the precursor and two intermediates, as well as the final product, were directly identified by the differential conductance imaging with a CO functionalized tip. Our density functional theory calculations revealed that the multiple steps reaction, being endergonic overal.

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