Tetrahedron Letters,Vol.27,No.9,pp 1089-1092,1986 0040-4039/86 $3.00 + .OO ... the diol concentration rose steadily to reach a maximum after 6 days, then sfter 9 days the ... 2. A. Archelas and C. Morin, Tetrahedron Letters, 1984, 2J, 1277; Y. Yamazaki and H. Maeda, ibid, 1985 ...