Publication | Closed Access
2‐Pyrazolines from 1,3 ‐ dipolar cycloaddition of diazomethane to arylsulfonylethenes
11
Citations
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References
2003
Year
DerivativesHeterocyclic‐ Dipolar CycloadditionNatural SciencesDiversity-oriented SynthesisOrganic ChemistryAbstract Novel 2‐PyrazolinesStereoselective SynthesisChemistryHeterocycle ChemistryPharmacologySynthetic ChemistryEnantioselective Synthesis
Abstract Novel 2‐pyrazolines were obtained by the cycloaddition of diazomethane to bis(arylsulfonylethenyl)‐sulfones ( 3 ) and 1‐arylsulfonyl‐2‐styrylsulfonylethenes (7). Dehydrogenation of 2‐pyrazolines with chloranil gave pyrazoles.
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