Bertrand, J.; Gorrichon, L.; Maroni, P.
Tetrahedron, 1984 , vol. 40, # 20 p. 4127 - 4140

Gorrichon-Guigon,L. et al.
Bulletin de la Societe Chimique de France, 1972 , p. 4187 - 4194
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Maroni-Barnaud,Y. et al.
Tetrahedron Letters, 1966 , p. 2243 - 2248