Tetrahedron letters

Formation of a tribenzo [12] annulene by thermolysis of a benzotricinnoline. A unique [2+ 2+ 2] benzene-acetylene cycloreversion?

JW Barton, MK Shepherd

Index: Barton, J.W.; Shepherd, M.K. Tetrahedron Letters, 1984 , vol. 25, # 43 p. 4967 - 4970

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Citation Number: 21

Abstract

Tetrahedron Letters,Vo1.25,No.43,pp 4967-4970,1984 0040-4039/84 $3.00 + .OO Printed in Great Britain ... FORMATION OF A TRIBENZO[12]ANNULENE BY THERMOLYSIS OF A BENZOTRICINNOLINE. A UNIQUE [2 + 2 + 2]BENZENE - ACETYLENE CYCLOREVERSION? ... JW Barton* and MK Shepherd School of Chemistry, The University, Bristol BS8 lTS, England. ... Abstract: The synthesis of benzotricinnoline (3) is described; ...