D-Lysine lactam is a chiral building block.1,2It has been used in the synthesis of a chiral antibiotic synthetic intermediate, as well as in the stereoselective synthesis of neurokinin (NK) receptor antagonists.
1.Kumar, A., Bhashkar, B., Bhavsar, J., et al.Catalytic reduction: Efficient synthesis of chiral key intermediate of besifloxacin hydrochlorideDer Pharma Chemica7(9)297-3000(2015) 2.Gerspacher, M., Lewis, C., Ball, H.A., et al.Stereoselective preparation of N-[(R,R)-(E)-1-(3,4-dichlorobenzyl)-3- (2-oxoazepan-3-yl)carbamoyl]allyl-N-methyl-3,5-bis(trifluoromethyl)benzamide, a potent and orally active dual neurokinin NK(1)/NK(2) receptor antagonistJ. Med. Chem.46(16)3508-3513(2003)