L-4,4-Difluoroglutamine 1 of high optical purity was prepared from (R)-Garner's aldehyde 2 using Reformatsky reaction as the key step for introducing the fluorinated side-chain. (C) 2001 Elsevier Science Ltd. All rights reserved.
L-4,4-Difluoroglutamine 1 of high optical purity was prepared from (R)-Garner's aldehyde 2 using Reformatsky reaction as the key step for introducing the fluorinated side-chain. (C) 2001 Elsevier Science Ltd. All rights reserved.