458531-56-1Relevant articles and documents
Concise total synthesis of (+)-carpamic acid
Randl, Stefan,Blechert, Siegfried
, p. 1167 - 1169 (2007/10/03)
We report herein an efficient enantioselective synthesis of (+)-carpamic acid, with nine steps as the longest linear sequence, the key strategy being based on a novel sequence of a cross-metathesis (CM) reaction and a subsequent cyclizing reductive amination to form the piperidine ring.
Palladium-catalyzed formation and stereoselective isomerization of 5- vinyloxazolines. Application to the formal synthesis of (S,S)-4-amino-3- hydroxy-5-phenylpentanoic acid
Cook,Shanker
, p. 3405 - 3408 (2007/10/03)
Vinyloxazolidinones have been found to undergo Pd(0)-catalyzed ionization followed by loss of carbon dioxide and subsequent cyclization to form vinyloxazolines. The reaction occurred under mild conditions, and enhancement of diastereomeric ratios with chiral substrates was obtained. 4- Benzyl-5-vinyloxazoline prepared by this method has been utilized in the stereoselective synthesis of (S,S)-4-amino-3-hydroxy-5-phenylpentanoic acid (AHPPA).