A new and versatile one-pot strategy to synthesize alpha-bromoketones from secondary alcohols using ammonium bromide and oxone

2017 ◽  
Vol 41 (10) ◽  
pp. 3710-3714 ◽  
Author(s):  
Banothu Rammurthy ◽  
Peraka Swamy ◽  
Mameda Naresh ◽  
Kodumuri Srujana ◽  
Chevella Durgaiah ◽  
...  
Keyword(s):  
Ammonium Bromide ◽  
Secondary Alcohols ◽  
One Pot ◽  
Green Protocol ◽  
One Pot Synthesis ◽  
The One

A new, efficient and green protocol for the one-pot synthesis of alpha-bromoketones from secondary alcohols is reported.

scholarly journals An efficient and green protocol for the one-pot synthesis of 3-amido-alkyl-4-hydroxycoumarin derivatives by choline chloride/urea as a deep eutectic solvent

2020 ◽  
Vol 65 (9) ◽  
pp. 795-800
Author(s):  
Hamed ASADI ◽  
◽  
Hossein ANARAKI-ARDAKANI ◽  
Parviz TORABI ◽  
Narghes TAHERI ◽  
...  
Keyword(s):  
Choline Chloride ◽  
Deep Eutectic Solvent ◽  
One Pot ◽  
Green Protocol ◽  
One Pot Synthesis ◽  
The One

scholarly journals Microwave-Assisted Three-Component “Catalyst and Solvent-Free” Green Protocol: A Highly Efficient and Clean One-Pot Synthesis of Tetrahydrobenzo[b]pyrans

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Sougata Santra ◽  
Matiur Rahman ◽  
Anupam Roy ◽  
Adinath Majee ◽  
Alakananda Hajra
Keyword(s):  
Knoevenagel Condensation ◽  
One Pot ◽  
Green Protocol ◽  
Microwave Assisted ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Purification Technique ◽  
The One ◽  
High Yields ◽  
Operational Simplicity

A green and highly efficient method has been developed for the one-pot synthesis of tetrahydrobenzo[b]pyrans via a three-component condensation of aldehydes, 1,3-cyclic diketones, and malononitrile under MW irradiation without using any catalyst and solvent. This transformation presumably occurs by a sequential Knoevenagel condensation, Michael addition, and intramolecular cyclization. Operational simplicity, solvent and catalyst-free conditions, the compatibility with various functional groups, nonchromatographic purification technique, and high yields are the notable advantages of this procedure.

One-pot synthesis of α-iodoketones from alcohols using ammonium iodide and Oxone® in water

RSC Advances ◽  
2015 ◽  
Vol 5 (16) ◽  
pp. 12186-12190 ◽  
Author(s):  
Marri Mahender Reddy ◽  
Peraka Swamy ◽  
Mameda Naresh ◽  
Kodumuri Srujana ◽  
Chevella Durgaiah ◽  
...  
Keyword(s):  
Aqueous Media ◽  
Secondary Alcohols ◽  
Ammonium Iodide ◽  
One Pot ◽  
Green Protocol ◽  
One Pot Synthesis

A novel and green protocol for the synthesis of α-iodoketones from various secondary alcohols in aqueous media is reported.

An Overview of the One-pot Synthesis of Imidazolines

2020 ◽  
Vol 24 (20) ◽  
pp. 2341-2355
Author(s):  
Thaipparambil Aneeja ◽  
Sankaran Radhika ◽  
Mohan Neetha ◽  
Gopinathan Anilkumar
Keyword(s):  
Asymmetric Catalysis ◽  
Organic Compounds ◽  
Ring Opening ◽  
Ecological Impact ◽  
Chiral Auxiliary ◽  
One Pot ◽  
One Pot Synthesis ◽  
The One ◽  
Synthetic Intermediate ◽  
Heterocyclic Moiety

One-pot syntheses are a simple, efficient and easy methodology, which are widely used for the synthesis of organic compounds. Imidazoline is a valuable heterocyclic moiety used as a synthetic intermediate, chiral auxiliary, chiral catalyst and a ligand for asymmetric catalysis. Imidazole is a fundamental unit of biomolecules that can be easily prepared from imidazolines. The one-pot method is an impressive approach to synthesize organic compounds as it minimizes the reaction time, separation procedures, and ecological impact. Many significant one-pot methods such as N-bromosuccinimide mediated reaction, ring-opening of tetrahydrofuran, triflic anhydrate mediated reaction, etc. were reported for imidazoline synthesis. This review describes an overview of the one-pot synthesis of imidazolines and covers literature up to 2020.

A highly efficient and green approach for the synthesis of pyrimido[4,5-b]quinolines using N,N-diethyl-N-sulfoethanaminium chloride

2021 ◽  
Vol 76 (2) ◽  
pp. 85-90
Author(s):  
Abdolkarim Zare ◽  
Manije Dianat
Keyword(s):  
Reaction Times ◽  
Solvent Free ◽  
One Pot ◽  
Catalyst Amount ◽  
Green Protocol ◽  
Highly Efficient ◽  
Green Approach ◽  
Solvent Free Conditions ◽  
The One ◽  
High Yields

Abstract A highly efficient and green protocol for the synthesis of pyrimido[4,5-b]quinolines has been described. The one-pot multicomponent reaction of dimedone with arylaldehydes and 6-amino-1,3-dimethyluracil in the presence of N,N-diethyl-N-sulfoethanaminium chloride ([Et3N–SO3H][Cl]) as an ionic liquid (IL) catalyst under solvent-free conditions afforded the mentioned compounds in high yields and short reaction times. Our protocol is superior to many of the reported protocols in terms of two or more of these factors: the reaction times, yields, conditions (solvent-free versus usage of organic solvents), temperature and catalyst amount.

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