Acid promoted rearrangement of PCU-derived pinacols

Collins, 1960, Quart. Rev. Chem. Soc., 14, 357, 10.1039/qr9601400357 Pocker, 1963, Vol. 1, 1 de Mayo, 1980, Vol. 1 Nakamura, 1990, J. Phys. Org. Chem., 3, 737, 10.1002/poc.610031107 Nakamura, 1990, Tetrahedron Lett., 31, 251, 10.1016/S0040-4039(00)94384-3 Nakamura, 1993, J. Am. Chem. Soc., 115, 9112, 10.1021/ja00073a029 Marchand, 1989, Vol. 1, 357 Marchand, 1991, SYNLETT, 73, 10.1055/s-1991-20632 Nasipuri, 1991, Stereochemistry of Organic Compounds, 348 Zefirov, 1977, Tetrahedron, 33, 2719, 10.1016/0040-4020(77)80296-2 Seeman, 1983, Chem. Rev., 83, 83, 10.1021/cr00054a001