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INTRAMOLECULAR CYCLOADDITIONS OF METHYLENECYCLOPROPANES - A NOVEL CHELATION EFFECT

MOTHERWELL, WB; SHIPMAN, M; (1991) INTRAMOLECULAR CYCLOADDITIONS OF METHYLENECYCLOPROPANES - A NOVEL CHELATION EFFECT. TETRAHEDRON LETT , 32 (8) 1103 - 1106.

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Abstract

In contrast to the palladium catalysed reactions of methylenecyclopropane (1), cyclisation of methylenecyclopropane (7) yields trans fused bicyclo[3.3.0]octanes (8) and (9). Intramolecular chelation by an appended ether unit is proposed to account for the observed selectivities.

Type:Article
Title:INTRAMOLECULAR CYCLOADDITIONS OF METHYLENECYCLOPROPANES - A NOVEL CHELATION EFFECT
Keywords:3+2 CYCLO-ADDITION
UCL classification:UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry

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