A Microwave-Assisted Synthesis of (S)-N-Protected Homoserine γ-Lactones from l-Aspartic Acid

SP Singh, A Michaelides, AR Merrill…

Index: Niggemann, Meike; Jelonek, Andreas; Biber, Nicole; Wuchrer, Margarita; Plietker, Bernd Journal of Organic Chemistry, 2008 , vol. 73, # 18 p. 7028 - 7036

Full Text: HTML

Citation Number: 6

Abstract

... The Journal of Organic ... The organic layers were then combined, dried over Na 2 SO 4 , filtered, and concentrated. ... EtOAc/n-hexanes (1/1) as the eluant: white solid; yield = 2.37 g (87%); mp 172–174 °C; [α] D 27 −4.0 (c = 1, MeOH); 1 H NMR(34) (MeOH-d 4 ) δ 7.68 (d, J = 7.4 Hz ...