The a-amino-carboxylic-acids are one of the five major classes of natural products and they
exhibit.-important and diverse biological functions.',* Historically, the aminoacids have been …

Since its introduction to the synthetic community in 1984, Garner's aldehyde has gained
substantial attention as a chiral intermediate for the synthesis of numerous amino alcohol …

Containing fully authenticated data on virtually all known natural products, the" Dictionary of
Natural Products", main work, published in 1993 was the end result of over 12 years …

The synthesis of optically active organic compounds is one of themost important problems of
contemporary chemistry. Pure enantiomers attain increasing com-mercial interest, especially …

Syntheses of 1, 1-dimethylethyl (S)-4-formyl-2, 2-dimethyl-3-oxazolidinecarboxylate (5) and
1, 1-dimethylethyl (4S-trons)-4-formyl-2, 2, 5-trimethyl-3-oxazolidinecarboxylate (6) from …

The protected serine aldehyde 10 was converted to the crystalline N‐Boc‐protected
sphingosines 6–9 by a three‐step reaction sequence. Compound 10 was transformed with …

A solution to the long-standing problem presented by the oxidative cyclization of a phenolic
3-arylpropionamide to a spirolactam has been developed in this laboratory via oxazoline …

Enantioselective total synthesis of the biologically important indole alkaloids (+)-lysergol,(+)-
isolysergol, and (+)-lysergic acid is described. Key features of these total synthesis include …

A three-step synthesis of JV-(9-(9-phenylfluorenyl))-L-alaninal (5) from alanine is described.
Exposure to silica or nonnucleophilic base causes no detectable racemization of this-amino …

3.1 Addition of organometallic reagents 3.1. 1 Lithium-activated nucleophiles 3.1. 2
Allylboration 3.1. 3 Allyltitanation 3.1. 4 Allylindium reagents 3.1. 5 Chromium reagents 3.1 …