Stereocontrolled synthesis of stereoregular, chiral analogs of nylon 5,5 and nylon 5,6

Article abstract of DOI:10.1016/S0957-4166(97)00121-3

L-glutamic acid (1) was employed as a chiral template in the preparation of the pentachlorophenyl ester of (4S)-carboxy-1,4-butirolactone (3), a key precursor of chiral analogs of nylon 5,5 and nylon 5,6. Stereocontrol in the synthesis of these polymers w