ABSTRACT

I. Introduction ......................................................................................................................... 1463 II.Stereocontrol in Electrochemical Reactions ....................................................................... 1463

A.Steric and Polar Factors ............................................................................................... 1463 B.Conformational and Conšgurational Stabilities .......................................................... 1464 C.Thermodynamic and Kinetic Controls ........................................................................ 1464 D. Stereoselective Synthesis ............................................................................................. 1465

III.Stereoselective and Stereospecišc Electroreduction ........................................................... 1465 A.Olešnic Compounds .................................................................................................... 1465

1.Hydrogenation to Alkanes .................................................................................... 1465 2.Hydrodimerization ................................................................................................ 1465

B. Acetylenic Compounds ................................................................................................ 1468 C.Aromatic Compounds .................................................................................................. 1469 D.Carbonyl Compounds .................................................................................................. 1469

1.Hydrogenation to Alcohols ................................................................................... 1469 2.Hydrodimerization to Pinacols ..............................................................................1471 3. Cross-Dimerization with Unsaturated Systems .................................................... 1472

E.vic-Oxygen Compounds ...............................................................................................1474 F.Nitrogen Compounds ....................................................................................................1474 G.Sulfur Compounds ........................................................................................................1475 H.Halogen Compounds ....................................................................................................1475