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A series of 5-substituted-1H-tetrazoles (RCN4H) have been synthesized by cycloaddition reaction of different aryl and alkyl nitriles with sodium azide in DMSO using CuSO4•5H2O as catalyst. A wide ...
Needles picked up by the Newmarket Business Improvement District's Back2Work team. (Jesse Costa/WBUR) Editor's Note: This is an excerpt from WBUR's politics newsletter, Mass. Politics. If you like ...
Alcohols and phenols were efficiently acetylated with acetic anhydride in the presence of copper (II) sulfate at room temperature in high yields. copper (II) sulfate; solventless acetylation; alcohols ...
Leeron is a New York-based writer who specializes in covering technology for small and mid-sized businesses. Her work has been featured in publications including Bankrate, Quartz, the Village Voice, ...
Since the Fair Share Amendment, or the so-called “millionaires tax,” passed in 2022, Massachusetts has seen an increase in high earners. Voter approval of the Fair Share Amendment in 2022 led to the ...
10monon MSN
TS Inter 2nd Year Chemistry Model Paper 2025: Practise for Last Minute Revision, Download PDF
TS Inter 2nd Year Model Paper 2025: In Telangana state, intermediate or 12th grade education is administered by the Telangana ...
The mass shooting at a Georgia school on Wednesday sparked a narrative on social media that all mass shootings at schools in the U.S. in recent years have been carried out by transgender people, which ...
Copyright 2026 The Associated Press. All Rights Reserved. Copyright 2026 The Associated Press. All Rights Reserved. Blood stains were visible on the sidewalk outside ...
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