The stereochemistry of the [2+2]-cycloadditions of cyclopentyne - evidence for an antisymmetrical singlet ground state
Autor: | Lutz Fitjer, Said Modaressi |
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Rok vydání: | 1983 |
Předmět: |
chemistry.chemical_classification
Bicyclic molecule 010405 organic chemistry Diradical Stereochemistry Chemistry Organic Chemistry 010402 general chemistry Photochemistry 01 natural sciences Biochemistry Cycloaddition 0104 chemical sciences 3. Good health Singlet ground state Hydrocarbon Stereospecificity Drug Discovery Singlet state |
Zdroj: | Tetrahedron Letters. 24:5495-5498 |
ISSN: | 0040-4039 |
DOI: | 10.1016/s0040-4039(00)94121-2 |
Popis: | Cyclopentyne 2 , as generated from dibromomethylenecyclobutane 1 , adds stereospecifically cis to both cis - and trans -2-butene and prefers 1,2-to 1,4-addition with 1,3-butadiene. This points to an antisymmetrical singlet ground state of the cyclopentyne diradical. |
Databáze: | OpenAIRE |
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