Tetrahedron letters

Hydrogenation of [7] paracyclophane. Formation of a hyperstable bridgehead olefin

ZH Li, M Jones

Index: Li, Zhen-Hong; Jones, Maitland Tetrahedron Letters, 1987 , vol. 28, # 7 p. 753 - 754

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Citation Number: 5

Abstract

Abstract Catalytic hydrogenation of [7] paracyclophane results in absorption of only two moles of hydrogen to give the olefin 1. Resistance to further hydrogenation and MM2 calculations show that 1 is a member of the class of hyperstable olefins. The structure of 1 is