41270-33-1

Upstream product

• 10574-69-3 3-benzylrhodanine 
• 75-15-0 carbon disulfide 
• 762-42-5 dimethyl acetylenedicarboxylate 
• 100-46-9 benzylamine 
• 15867-06-8 N-benzyldithiocarbamic acid 
• 5316-84-7 (3-benzyl-4-oxo-2-thioxothiazolidin-5-yl)acetic acid 
• 67-56-1 methanol 

Downstream Products

• 54326-52-2 (3-benzyl-4-oxo-2-thioxo-thiazolidin-5-yl)-(4-chloro-phenylsulfanyl)-acetic acid methyl ester 
• 54255-29-7 (2-amino-phenylsulfanyl)-(3-benzyl-4-oxo-2-thioxo-thiazolidin-5-yl)-acetic acid methyl ester 
• 54255-31-1 2-(3-benzyl-4-oxo-2-thioxo-thiazolidin-5-yl)-4H-benzo[1,4]thiazin-3-one 
• 42963-70-2 (E)-3,3'-dibenzyl-2'-thioxo-dihydro-[5,5']bithiazolylidene-2,4,4'-trione 
• 42963-68-8 (E)-3'-benzyl-3-methyl-2'-thioxo-dihydro-[5,5']bithiazolylidene-2,4,4'-trione 
• 54370-48-8 acetylsulfanyl-(3-benzyl-4-oxo-2-thioxo-thiazolidin-5-yl)-acetic acid methyl ester 
• 54255-35-5 2-((E)-3-benzyl-4-oxo-2-thioxo-thiazolidin-5-ylidene)-4H-benzo[1,4]thiazin-3-one 
• 54255-45-7 ((E)-3-benzyl-4-oxo-2-thioxo-thiazolidin-5-ylidene)-(4-chloro-phenylsulfanyl)-acetic acid methyl ester 
• 54255-47-9 ((Z)-3-benzyl-4-oxo-2-thioxo-thiazolidin-5-ylidene)-(4-chloro-phenylsulfanyl)-acetic acid methyl ester 

Relevant academic research and scientific papers

Hexafluoroisopropanol dispersed into the nanoporous SBA-15 (HFIP/SBA-15) as a rapid, metal-free, highly reusable and suitable combined catalyst for domino cyclization process in chemoselective preparation of alkyl rhodanines

Hexafluoroisopropanol dispersed catalytically amount of SBA-15 (HFIP/SBA-15) with organic substrate was found to be an efficient, ultra-fast and waste-free approach for the synthesis of the biologically and pharmaceutically interesting alkyl rhodanines. The advantages of the present method are low catalyst loading, simple procedure, waste-free and direct synthetic entry to excellent yield of rhodanines, high reusability of the catalyst, and short reaction time. Also, the reaction can be performed without activation and modification of the substrates under the neutral conditions. The solid SBA-15 and HFIP could be recovered and reused for recycling.

Synthesis of Substituted Phthalimides via Ultrasound-Promoted One-Pot Multicomponent Reaction

In this work, a novel strategy for the straightforward synthesis of substituted phthalimides is described, which includes base-mediated Michael addition/intramolecular cyclization/[1,5]-H shift/cleavage of CS2/aromatization/nucleophilic acyl substitution reaction of 2-(4-oxo-2-thioxothiazolidin-5-ylidene)acetates and α,α-dicyanoolefines under ultrasound (US) irradiation. Some advantages of this method are as follows: having simple operation, easily accessible starting materials, chemoselective cascade process, synthetically useful yields, and green conditions by utilizing US irradiation as a source of energy and using ethanol as solvent.

The use of κ-carrageenan/Fe3O4 nanocomposite as a nanomagnetic catalyst for clean synthesis of rhodanines

In this work, magnetically separable Fe3O4 nanoparticles were synthesized in the presence of natural κ-carrageenan (KCAR) biopolymer to provide Fe3O4@KCAR. FT-IR analysis, scanning electron microscopy (SEM), X-ray diffraction, VSM analysis, and SEM-EDAX were incorporated for the characterization of Fe3O4@KCAR nanocomposite. And then, the first catalytic report of Fe3O4@KCAR with no post-modification was achieved by studying its catalytic activity in the multicomponent reaction of rhodanine synthesis. Based on this study, Fe3O4@KCAR was an efficient, magnetically separable and recyclable, water-dispersible and green catalyst with natural source. This catalyst also showed 9-run recyclability with no significant yield decrease.

Application of the β-cyclodextrin supramolecules as a green accelerator hosts in one-step preparation of highly functionalised rhodanine scaffolds

β-Cyclodextrin (β-CD) supramolecule was found to be a convenient, green and economical tool in one-pot synthesis of rhodanine scaffolds as a highly efficient mediating agent in aqueous media in which the reaction accelerated to complete in 15 min and room temperature. In this work, amines reacted with equimolar ratio of CS2 (not excess ratio of CS2) and then with activated acetylenes in the presence of β-CD in aqueous media.

Application of the β-cyclodextrin supramolecules as a green accelerator hosts in one-step preparation of highly functionalised rhodanine scaffolds

β-Cyclodextrin (β-CD) supramolecule was found to be a convenient, green and economical tool in one-pot synthesis of rhodanine scaffolds as a highly efficient mediating agent in aqueous media in which the reaction accelerated to complete in 15 min and room

EtOAc-dispersed magnetic nanoparticles (DMNPs) of γ-Fe 2O3 in the single-pot domino preparation of 5-oxo-2-thioxo-3-thiophenecarboxylate derivatives

EtOAc-dispersed magnetic nanoparticles (DMNPs) of γ-Fe 2O3 represent a straightforward and green catalyst for the rapid three-component synthesis of 5-oxo-2-thioxo-3-thiophenecarboxylate derivatives as rhodanine skeletons via a single-pot domino process. The rhodanines were prepared over magnetic nanoparticles of γ-Fe 2O3 without any salt or additives. Dispersed nano-γ-Fe2O3 have many advantages, such as stability in air, reusability, reactions with high efficiency, simple separation with magnetic external field from mixture reactions, chemical stability, and also low toxicity.

Cetyltrimethylammonium bromide-surfactant aqueous micelles as a green and ultra-rapid reactor for synthesis of 5-oxo-2-thioxo-2,5-dihydro-3- thiophenecarboxylate derivatives

Aqueous cetyltrimethylammonium bromide-surfactant micelles were found to be an efficient and rapid reactor system for the synthesis of rhodanine by a three-component reaction of amine, carbon disulfide, and activated acetylene. The advantages of this method are the use of awater medium and a simple and easy workup resulting in a green and direct synthetic method to give excellent yields of rhodanine derivatives.

A rapid, catalyst-free, three-component synthesis of rhodanines in water using ultrasound

A green, efficient, rapid, high-yielding, catalyst-free method for the synthesis of rhodanines in water using ultrasonic irradiation is described. The procedure is straightforward and the rhodanine products are isolated by simple filtration. Georg Thieme Verlag Stuttgart New York.

A simple and effective approach to the synthesis of rhodanine derivatives via three-component reactions in water

A facile and direct synthetic entry to rhodanine derivatives via the three-component coupling of carbon disulfide, primary amines, and acetylenic esters under neutral conditions in water is reported.