Technical Notes:

1. Ligand used in the ruthenium catalyzed, enantioselective hydrogenation of alkenes, carbonyls,

and imines.

2.Ligand used in the rhodium-catalyzed cyclization of acetylenic aldehydes .

3. Ligand used in the iridium-c atalyzed hydrogenative coupling of alkynes to aromatic and aliphatic N-arylsulfonyl aldimines.

4.Asymmetric Cu catalyzed propargylic substitution with amines,a and enamines.

5.Catalytic desymmetrizing intramolecular Heck reaction.

6.Assembly of 1,3-polyols.

7.Pd-catalyzed diastereo/enantios elective allylic alkylations of ketone enolates .

8.Enantios elective vinylogous R eformatsky-type addition.

9. Cu-catalyzed chemoselective preparation of 2-(pinacolato)boron- substituted allylcopper complexes

and their In situ site-, diastereo-, and enantios elective additions to ketones .