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Secondary silylium ion drives one-pot ketone sulfonamidation, reaching 95% yields

Secondary silylium ion drives one-pot ketone sulfonamidation, reaching 95% yields Lisa Lock Scientific Editor Andrew Zinin Lead Editor A research team has developed a novel organocatalysis method based on a silylium Lewis acid. This technology employs an ion-pair catalyst combining a diethylsilylium ion with a weakly coordinating anion, enabling the direct installation of sulfonamide groups into functionalized ketone compounds, including β-ketoesters, which had previously been difficult to...

Phys.org 1d ago

Nonbossy Mechanisms: Mechanism Design Robust to Secondary Goals

arXiv:2307.11967v2 Announce Type: replace Abstract: We study mechanism design when agents may have hidden secondary goals which will play a role when the primary utility of the outcomes is the same. We show that in such cases, a mechanism is immune to strategic manipulation if and only if it is incentive compatible with regard to primary utility -- a property we term "primary incentive compatibility" -- and nonbossy -- a well-studied property in the context of matching and allocation...

arXiv CS 8d ago

Mullin tells Congress primary border wall will be done by June 2027, secondary wall by summer 2028

U.S. Department of Homeland Security Secretary Markwayne Mullin announced on Wednesday the administration is on track to have the primary border wall, from the Pacific to the Gulf of America, completed by June 2027.He added all contracts will be out by the end of this month, noting the department is making "great progress. "Mullin's comments came as he testified before the House Homeland Security Committee about his department's 2027 fiscal year budget. He testified before the Senate...

Fox News Politics 6d ago

Mullin tells Congress primary border wall will be done by June 2027, secondary wall by summer 2028

U.S. Department of Homeland Security Secretary Markwayne Mullin announced on Wednesday the administration is on track to have the primary border wall, from the Pacific to the Gulf of America, completed by June 2027.He added all contracts will be out by the end of this month, noting the department is making "great progress. "Mullin's comments came as he testified before the House Homeland Security Committee about his department's 2027 fiscal year budget. He testified before the Senate...

Fox News 6d ago

N-CEN - Coller Secondaries Private Equity Opportunities Fund (0001969180) (Filer)

Filed: 2026-06-09 AccNo: 0001410368-26-057368 Size: 23 KB

SEC EDGAR Filings 22h ago

Mobile phones to be banned in all Edinburgh secondary schools

From August, pupils will have to put their devices in magnetically sealed pouches throughout the school day, including during breaks and lunchtime.

BBC Scotland 22h ago

A Hybrid Approach For Malware Classification Using Secondary Features Fusion

arXiv:2606.03432v1 Announce Type: new Abstract: The number of malware (either variant or novel) is rapidly increasing, making malware detection and mitigation a complex problem. One approach to improving malware mitigation is automatic detection and malware family classification. However, traditional malware detection methods cannot classify detected malware into their respective families, hindering effective malware mitigation.

arXiv CS 7d ago

Aquifer microbial communities differentially display metabolisms capable of secondary effects on uranium speciation across a former metal processing site

Groundwater contamination presents challenges across world, yet remediation solutions in variably oxidized regions are limited and many co-interactions between contaminant metals and microbial reactions occur. Here we present a genomic and metabolic study into the biogeochemistry of a uranium-contaminated surficial aquifer site in Riverton, WY. We identified unique communities that varied based on geochemistry, geography, and compartment, matching microbial subsurface studies.

bioRxiv 8d ago

Estimates of global causes of death for children and adolescents aged 5-19 in 2000-24: secondary data analysis using bayesian multinomial logistic regression

AbstractObjectiveTo estimate cause specific mortality among children and adolescents aged 5-19 years for 195 countries from 2000 to 2024.DesignSecondary data analysis using a bayesian multinomial logistic regression model to estimate cause specific mortality fractions. Data sourcesPubMed, Embase, Web of Science, Scopus, Cochrane Library, Global Index Medicus, Pan American Health Organization, Global Health Ovid, Africa-Wide Information, IndMed, WHO Mortality Database, Demographic and Health...

BMJ (British Medical Journal) 5d ago

Revolut Weighs Secondary Share Sale at $115 Billion Valuation

Company branding at the offices of Revolut Ltd. near La Bourse in Paris, France, on Tuesday, April 7, 2026. The company signed a 10-year lease for space in the historic Bourse business district in the French capital, according to a statement on Wednesday. Photographer: Nathan Laine/Bloomberg

Bloomberg Technology 4d ago