VI
USEFUL SYNTHETIC PREPARATIONS
VI.A.
Functional Group Preparations
VI.A.I, Acetals and Ketals
VI.A.1-1 Zhao, K. et al., TU 35, 7147; Knapp, S. et al., JOC, 59, 4800;
Shimizu, H., Ito, Y., and Ogawa, T., SL, 535; Takeda, K. et al., TL, 35, 125;
see also: Pinto, B.M. et al., TA, 5, 2367; Lichtenthaler, F.W. and
Schneider-Adams, T. JOC, 59, 6728 and 6735; Boger D.L. and Honda, T.,
JACS, 116, 5647; Borowiecka, J. and Michalska, M., S, 709.
R t f e ^ V s R · ROH.BTIB, R 0 5 ^ \ ^ 0 R "
75-95 %
VI.A.1-2 Beaupere, D. et al., TL, 35, 6279.
-°v
l;SO(Im) 2
^ ^ _ ^ °
R O ^ - — ■ - \ h
2:ArOLi
+
'
R C T ^ C - — - V
O A r
"OH
38-50 %
331