There is, I think, something ethereal about i —the square root of minus one. I remember first hearing about it at school. It seemed an odd beast at that time—an intruder hovering on the edge of reality.

Usually familiarity dulls this sense of the bizarre, but in the case of i it was the reverse: over the years the sense of its surreal nature intensified. It seemed that it was impossible to write mathematics that described the real world in …

I and i

A new class of C-dimethylated-chalcones (9a–q) were synthesized by using 2-hydroxy-3,5-dimethyl-4,6-dimethoxy acetophenone as a key intermediate. The compounds were screened for anti-tubercular activity against Mycobacterium tuberculosis strain (H37Rv) by Microplate Alamar Blue assay (MABA) method at a concentration of 100–0.8 µg/mL. The chalcones, 9a, 9b, 9c, 9k, 9o, and 9p were found to have higher antitubercular activity than the standard drugs, while the remaining compounds showed moderate activity. The antitubercular activity of the chalcones, 9b (MIC90 = 3.98 µM) and 9o (MIC90 = 3.84 µM) was found to be more than two-fold more active than the standard drugs, streptomycin (MIC90 = 10.75 µM) and ciprofloxacin (MIC90 = 9.43 µM), while their antitubercular activity was found to be more than six-fold more active than pyrazinamide (MIC90 = 25.38 µM). Further, the molecular docking studies employing Mycobacterium tuberculosis protein tyrosine phosphatase (MtbPtp) was carried out to observe docking scores.

Synthesis of new C -dimethylated chalcones as potent antitubercular agents

Synthesis, Characterization, Docking and Study of Inhibitory Action of Some Novel C‐Alkylated Chalcones on 5‐LOX Enzyme

The efficient, one-pot access to the transamidation of 8-aminoquinoline (8-AQ), notorious for its harsh removal conditions, has been widely employed as an auxiliary in C⁻H functionalization reactions due to its strong directing ability In this study, the facile and mild Boc protection of the corresponding 8-AQ amide was critical to activate the amide C(acyl)⁻N bond by twisting its geometry to lower the amidic resonance energy Both aryl and alkyl amines proceeded transamidation in one-pot, user-friendly conditions with excellent yields

https://www.mdpi.com/1420-3049/24/7/1234/pdf

An Efficient, One-Pot Transamidation of 8-Aminoquinoline Amides Activated by Tertiary-Butyloxycarbonyl

Concise total syntheses of biosynthetic retro-dihydrochalones evelynin B and taccabulin D isolated from roots and rhizomes of Tacca chantrieri and T. integrifolia, have been achieved from pyrogallo...

Total Synthesis of Evelynin B and Taccabulin D

A new class of alkylated chalcones and flavanones was synthesised and screened for antituberculosis, antixoidant, and cytotoxic activities. The desired compounds were synthesised using methyl substituted 2-hydroxyacetophenone as a key intermediate. The acetophenone derivative having methyl substitution was prepared in turn from methtylated phloroglucinol by formylation (by Vilsmeier-Haack reaction), followed by reduction with Wolf-Kishnner approach, and finally acetylation was involved. Among 17 compounds, compound 5 and compound 4a inhibited M. tuberculosis at minimum inhibitory concentration (MIC) in the range between 25 μg/mL and 50 μg/mL. The remaining other 15 compounds also potently inhibited M. tuberculosis at MIC in range between 50 μg/mL and 100 μg/mL. Some of these compounds also showed moderate antioxidant and cytotoxic activities.

/pdf/synthesis-of-pisonivanone-and-other-analogs-as-potent-4w9nahjb6r.pdf

Synthesis of ()-Pisonivanone and Other Analogs as Potent Antituberculosis Agents

/pdf/tpa-pro-ionic-liquid-as-efficient-reaction-medium-for-n-tert-1ruu3azndq.pdf

[TPA][Pro] Ionic Liquid as Efficient Reaction Medium for N-tert-Boc Protection of Amines

An Improved Synthesis of Apigenin and Luteolin

Handle everyday research tasks with reliable, citation-backed results

Your personal Research Agent to handle research tasks with citation-backed results

Popular Tasks used by Researchers

How can I help with your research?

Meet SciSpace

Get more enhanced response by uploading the PDFs you want me to reference.

No relevant PDFs in your library

SciSpace is the AI research assistant for academics. Run systematic literature reviews on 280M+ papers, and write papers with cited sources. Trusted by 1M+ students, PhDs & researchers.

SciSpace | AI for Research

Analyze PDFs

Code & Manuscripts

Funding & Grants

Literature & Patents

Medical & Clinical Data

Systematic Review

Visualize & Present

Web & Data

Build a Google Scholar-like website for your research.

Build a website

Create charts and images for your research

Create a Chart

Write a paper for submission to a journal

Draft a manuscript

Patent Search

Design eye-catching scientific posters in minutes.

Scientific Poster Generation

Systematic Literature Review

One task is running at the moment. Your messages will be shown right after.

Drag and drop or click here to browse

Loved by <highlight>1 million+</highlight> researchers

Extract a list of specific topics and their sources from unstructured text

Topics

Compare and analyze relevant papers that matches with your search

Papers

Get insights from PDFs and bookmarked papers from your library

My library

Recent searches

Try searching for:

Catch AI-generated content in scholarly and non-scholarly content

{ai} Detector

Ai Writer

Get PDF Summaries, highlighted text explanations 

Chat with PDF

Effortlessly create in-text citations and bibliographies in APA and 2,500 other formats

Citation generator

Get explanations, summaries, and answers on academic papers

Ease up your research workflow with {scispace}'s cohort of exciting AI tools

Elevate your academic writing skills and convey your ideas the way you want

Paraphraser

Explore our range of reading and writing tools

Your file is being prepared and should be ready in a few minutes. If it's a large file, it might take a bit longer. You can close this window, and we'll email you the file when it's done.

You have reached a maximum limit of <strong>{limit}</strong> columns in the table. Remove at least <strong>1</strong> column to add or create another one.

A. Rambabu

Author Tools

Chat about Author

Papers

Synthesis of ()-Pisonivanone and Other Analogs as Potent Antituberculosis Agents

[TPA][Pro] Ionic Liquid as Efficient Reaction Medium for N-tert-Boc Protection of Amines

An Improved Synthesis of Apigenin and Luteolin