The asymmetric synthesis of 2-alkyl (aryl)-2, 3-dihydro-4-pyridones 3 by addition of various
Grignard reagents to chiral l-acyl-4-methoxypyridinium salts was studied in detail. Chiral …

The development and characterization of enantioselective organocatalytic oxidative kinetic
resolution (OKR) of racemic secondary alcohols using chiral alkoxyamines as precatalysts …

Concise asymmetric syntheses of indolizidine alkaloids (−)-205A,(−)-207A, and (−)-235B
were accomplished with a high degree of stereocontrol in eleven steps. Addition of 4-(1 …

A concise asymmetric synthesis of (−)-septicine (1) and (−)-tylophorine (2) was
accomplished with a high degree of stereocontrol in eight and nine steps, respectively …

(−)-Rosmarinecine (2) is the necine base portion of the pyrrolizidine alkaloid (−)-
rosmarinine.(−)-Rosmarinecine is a representative of the group of pyrrolizidines that show a …

Cyclohexyl-based chiral auxiliaries can be used effectively in an asymmetric Pictet-Spengler
synthesis of tetrahydroisoquinoline, aporphine and protoberbine alkaloids. Using this …

A new variant of the tandem inter [4+ 2]/intra [3+ 2] cycloaddition of nitroalkenes is described
in detail. The scope and limitations of the bridged mode tandem cycloaddition in which the …

The addition of metallo enolates to chiral 1-acylpyridinium salts. An asymmetric synthesis of
(-)-sedamine Page 1 J. Org. Chem. 5035-5036 5035 The Addition of MetalloEnolates to …

Asymmetric induction by several chiral alcohols in the reaction of their bromoaceates with
imines in the presence of activated Zn (Reformatsky reaction) was studied. Trans-2 …

A remarkable number of physiologically active alkaloids are found in the skin secretions of
neotropical frogs belonging to the family Dendrobatidae. 1 One major class of dendrobatid …