Journal ArticleDOI
A three-component reaction of phenol, aldehyde, and active methylene substrate under Lewis acid catalysis: Successful trapping of o-quinone methide to afford benzopyran systems
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TLDR
In this article, a three-component condensation involving reactive phenols, aldehydes, and active methylene substrates is described under BF3.Et2O catalysis to afford benzopyranyl products in satisfactory yields.Abstract:
A three-component condensation involving reactive phenols, aldehydes, and active methylene substrates is described under BF3.Et2O catalysis to afford benzopyranyl products in satisfactory yields.read more
Citations
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An efficient one-pot synthesis of tetrahydrobenzo[a]xanthene-11-one and diazabenzo[a]anthracene-9,11-dione derivatives under solvent free condition
TL;DR: Indium(III) chloride catalyzed one-pot synthesis of 12-aryl/alkyl-8,9,10,12-tetrahydrobenzo[a]xanthene-11-one and 8,10-dimethyl as mentioned in this paper.
Journal ArticleDOI
Recent Progress in Three-Component Reactions. An Update
TL;DR: Three-component reactions have emerged as useful methods because the combination of three components to generate new products in a single step is extremely economical, among the multi-component rea... as discussed by the authors.
Journal ArticleDOI
Strontium triflate catalyzed one-pot condensation of β-naphthol, aldehydes and cyclic 1,3-dicarbonyl compounds
TL;DR: An efficient one-pot condensation of β-naphthol, aldehydes, and cyclic 1,3-dicarbonyl compounds has been achieved with strontium triflate as a catalyst, thus a variety of 8,9,10,12-tetrahydrobenzo derivatives were prepared in good yields as discussed by the authors.
Journal ArticleDOI
Diversity oriented synthesis of benzoxanthene and benzochromene libraries via one-pot, three-component reactions and their anti-proliferative activity.
TL;DR: The protocol offers rapid synthesis of structurally diverse benzoxanthenes and benzochromenes for biologically screening and several compounds were exhibiting promising anti-proliferative activity.
References
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Journal ArticleDOI
Atom Economy—A Challenge for Organic Synthesis: Homogeneous Catalysis Leads the Way
TL;DR: The ability of transition metal complexes to preorganize π-electron systems serves as the basis both of simple additions usually accompanied by subsequent hydrogen shifts and of cycloadditions as mentioned in this paper.
Journal ArticleDOI
Tandem [4+2]/[3+2] Cycloadditions of Nitroalkenes.
TL;DR: Denmark et al. as mentioned in this paper proposed a method to match the change in molecular complexity at each step with reactions of comparable synthetic complexity, which is a necessary condition for high synthetic efficiency.
Journal ArticleDOI
Tandem Reactions in Organic Synthesis: Novel Strategies for Natural Product Elaboration and the Development of New Synthetic Methodology.
Journal ArticleDOI
o-Quinone methides: intermediates underdeveloped and underutilized in organic synthesis
Journal ArticleDOI
Tandem Reaction Sequences under Hydroformylation Conditions: New Synthetic Applications of Transition Metal Catalysis.
Peter Eilbracht,Lars Bärfacker,Christian Buss,Christoph Hollmann,Beate E. Kitsos-Rzychon,Christian L. Kranemann,Thorsten Rische,Rafael Roggenbuck,Andreas Schmidt +8 more
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