A mild and efficient method for large scale synthesis of 3-aminocoumarins and its further application for the preparation of 4-bromo-3-aminocoumarins

2014 ◽  
Vol 55 (35) ◽  
pp. 4869-4874 ◽  
Author(s):  
Deb K. Das ◽  
Satavisha Sarkar ◽  
Musawwer Khan ◽  
Md. Belal ◽  
Abu T. Khan
Keyword(s):  
Efficient Method ◽  
Large Scale ◽  
Large Scale Synthesis

Full-colour carbon dots: from energy-efficient synthesis to concentration-dependent photoluminescence properties

2017 ◽  
Vol 53 (21) ◽  
pp. 3074-3077 ◽  
Author(s):  
Xun Meng ◽  
Qing Chang ◽  
Chaorui Xue ◽  
Jinlong Yang ◽  
Shengliang Hu
Keyword(s):  
Efficient Method ◽  
Carbon Dots ◽  
Energy Efficient ◽  
Large Scale ◽  
Fluorescence Emission ◽  
Efficient Synthesis ◽  
Photoluminescence Properties ◽  
Large Scale Synthesis ◽  
Fluorescent Carbon Dots ◽  
Fluorescent Carbon

A facile and energy-efficient method is presented for the large-scale synthesis of fluorescent carbon dots whose fluorescence emission wavelengths shift gradually from 630 to 400 nm with reduction in their concentration.

scholarly journals An Efficient Method for the Large-Scale Synthesis of Atorvastatin Calcium

2008 ◽  
Vol 16 (1) ◽  
pp. 28-33 ◽  
Author(s):  
Hong-Woo Lee ◽  
Young-Min Kim ◽  
Choong-Leol Yoo ◽  
Sung-Kwon Kang ◽  
Soon-Kil Ahn
Keyword(s):  
Efficient Method ◽  
Large Scale ◽  
Atorvastatin Calcium ◽  
Large Scale Synthesis

The Rupe Rearrangement:  A New Efficient Method for Large-Scale Synthesis of Unsaturated Ketones in the Pilot Plant

2002 ◽  
Vol 6 (3) ◽  
pp. 216-219 ◽  
Author(s):  
Hilmar Weinmann ◽  
Michael Harre ◽  
Harribert Neh ◽  
Klaus Nickisch ◽  
Carlo Skötsch ◽  
...  
Keyword(s):  
Efficient Method ◽  
Pilot Plant ◽  
Large Scale ◽  
Unsaturated Ketones ◽  
Large Scale Synthesis

ChemInform Abstract: The Rupe Rearrangement: A New Efficient Method for Large-Scale Synthesis of Unsaturated Ketones in the Pilot Plant.

ChemInform ◽  
2010 ◽  
Vol 33 (48) ◽  
pp. no-no
Author(s):  
Hilmar Weinmann ◽  
Michael Harre ◽  
Harribert Neh ◽  
Klaus Nickisch ◽  
Carlo Skoetsch ◽  
...  
Keyword(s):  
Efficient Method ◽  
Pilot Plant ◽  
Large Scale ◽  
Unsaturated Ketones ◽  
Large Scale Synthesis

Exogenous Directing Group Free, Ligand-Enabled gamma-C(sp3)–H Arylation of Free Primary Aliphatic Amines and α-Amino Esters

2019 ◽  
Author(s):  
Yongzheng Ding ◽  
Shuai Fan ◽  
Xiaoxi Chen ◽  
yuzhen gao ◽  
Gang Li
Keyword(s):  
Amino Acids ◽  
Large Scale ◽  
Free Ligand ◽  
Aliphatic Amines ◽  
Rapid Synthesis ◽  
Amino Esters ◽  
Directing Group ◽  
Large Scale Synthesis ◽  
Primary Aliphatic Amines

A Pdᴵᴵ-catalyzed, ligand-enabled gamma-C(sp3)–H arylation of free primary aliphatic amines and amino esters without using an exogenous directing group is reported. This reaction is compatible with unhindered free aliphatic amines, and it is also be applicable to the rapid synthesis of biologically and synthetically valuable unnatural α-amino acids. Large scale synthesis is also feasible using this method.<br>

A Simplified Protocol for the ortho-Deuteration of Acidic Aromatic Compounds in D2O

2019 ◽  
Author(s):  
Alyssa Garreau ◽  
Hanyang Zhou ◽  
Michael Young
Keyword(s):  
Carboxylic Acid ◽  
Aromatic Compounds ◽  
Large Scale ◽  
Simplified Approach ◽  
Directing Group ◽  
Large Scale Synthesis

<div>Methods to catalytically introduce deuterium in synthetically useful yields ortho to a carboxylic acid directing group on arenes typically requires D2 or CD3CO2D, which makes using these approaches cost prohibitive for large scale synthesis (equipment and reagent costs respectively). Herein we present a simplified approach using catalytic RhIII and D2O as deuterium source, and show its application to H/D exchange on various acidic substrates.</div>

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