DECARBOXYLATION OF ALPHA-AMINO-ACIDS CONTAINING 2 AND 3 STEREOGENIC CENTERS - A SIMPLE ONE-STEP PROCEDURE TO PREPARE 2 OPTICALLY-ACTIVE BETA-AMINO ALCOHOLS AND A BICYCLIC PYRROLIDINE DERIVATIVE
S. Wallbaum et al., DECARBOXYLATION OF ALPHA-AMINO-ACIDS CONTAINING 2 AND 3 STEREOGENIC CENTERS - A SIMPLE ONE-STEP PROCEDURE TO PREPARE 2 OPTICALLY-ACTIVE BETA-AMINO ALCOHOLS AND A BICYCLIC PYRROLIDINE DERIVATIVE, Synthetic communications, 24(10), 1994, pp. 1381-1387
The decarboxylation of L-threonine (2S,3R)-1, L-hydroxyproline (2S,4R)
-2 and D-2-azabicyclo[3.3.0]octan-3-carboxylic acid (1R,3R,5R)-5 yield
in a simple one-step procedure the corresponding optically active bet
a-amino alcohols (R)-3 and (R)-4 and the bicyclic pyrrolidine derivati
ve (1R,5R)-6 in 72-82% yield and >99% ee.