M C. White, Chem 153 Hydrogenation -149 Week of october 15. 2002 Synthetic applications of directed hydrogenations MOMO Rh(NBD)DIPHOS-4)] BF4 NaH. THF MOMO Me osem H2(800ps), MOMO Me osem Paquette OL 2002 (4)937 aPC (PF6) H Ir( CODXpy)PCy3)'PF6 Me OH HO 99% Yield dr. 11: 1 at cl arriault OL 2001 (3)1925M.C. White, Chem 153 Hydrogenation -149- Week of October 15, 2002 Synthetic applications of directed hydrogenations O O O OH H H OSEM MOMO Me O O O OH H OSEM MOMO MOMO Me MOMO [Rh(NBD)(DIPHOS-4)]+BF4- NaH, THF H2 (800 psi), rt Paquette OL 2002 (4) 937. HO H OH O Me H2, CH2Cl2 HO H OH O Me Me Barriault OL 2001 (3) 1925. HO HO O Me H HO HO O Me H Me H Rh(I) Ph2 P P Ph2 (BF4-) + ()n= 3 68% [Ir(COD)(py)(PCy3)]+PF6- 99% Yield, d.r. 11:1 at C10 10 Ir(I) PCy3 N (PF6-) +