作者:Takashi Tsukamoto、Pavel Majer、Dilrukshi Vitharana、Chiyou Ni、Bunda Hin、Xi-Chun M. Lu、Ajit G. Thomas、Krystyna M. Wozniak、David C. Calvin、Ying Wu、Barbara S. Slusher、David Scarpetti、George W. Bonneville
DOI:10.1021/jm049258g
日期:2005.4.1
edioic acid 3, were synthesized in high optical purities (>97%ee). The two enantiomers of 2 were prepared from previously reported chiral intermediates, (R)- and (S)-2-(hydroxyphosphinoylmethyl)pentanedioic acid benzyl esters 8. The synthesis of (R)- and (S)-3 involves the hydrolysis of (R)- and (S)-3-(2-oxo-tetrahydro-thiopyran-3-yl)propionic acids, (R)- and (S)-11, the corresponding optically pure
以高光学纯度(> 97%ee)合成了两种代表性的谷氨酸羧肽酶II(GCP II)抑制剂2-(羟基五氟苯基甲基-膦酰基甲基)戊二酸2和2-(3-巯基丙基)戊二酸3。2的两个对映异构体是由先前报道的手性中间体(R)-和(S)-2-(羟基膦酰基甲基)戊二酸苄酯8制备的。(R)-和(S)-3的合成涉及水解(R)-和(S)-3-(2-氧代-四氢-硫吡喃-3-基)丙酸,(R)-和(S)-11,通过手性色谱分离得到的相应的光学纯硫内酯外消旋体11. GCP II抑制试验表明,(S)-2的效力比(R)-2高40倍。相反,两种3的对映体均以几乎相同的效力抑制GCP II。