2799-07-7

基本信息
(+)-S-三苯甲基-L-半胱氨酸
(+)-S-三苯甲基-L-半胱氨酸,97%
EG5 INHIBITOR II
H-CYS(TRT)-OH
NSC 83265
S-(TRIPHENYLMETHYL)-L-CYSTEINE
(+)-S-TRITYL-L-CYSTEINE
S-TRITYL-L-CYSTEINE
TRITYL-L-CYSTEINE
3-(tritylthio)-l-alanin
3-tritylthio-l-alanine
s-(triphenylmethyl)-l-cystein
S-TRITYL-L-CYSTEINE CRYSTALLINE
(+)-S-TRITYL-L-CYSTEINE 97%
L-Cysteine, -3,3-D2-S-Trityl
Dimethyl 5-bromopyridine-2,3-dicarboxylate
H-L-Cys(Trt)-OH
S-TRITYL-L-CYSTEINE extrapure
(R)-2-Amino-3-(tritylthio)propionic acid
(R)-S-Tritylcysteine
S-Trityl-(R)-cycteine
物理化学性质
安全数据
制备方法

76-84-6

52-89-1

2799-07-7
以三苯基甲醇(3.3 g,12.7 mmol)和L-半胱氨酸盐酸盐(2 g,12.7 mmol)为原料,在25 mL三氟乙酸(TFA)中反应。将混合物在室温下搅拌2小时。反应完成后,将混合物冷却至0℃,随后缓慢加入4 N氢氧化钠溶液和乙醚(40 mL),调节pH至4-5。接着,加入10%乙酸钠水溶液,进一步调节pH至5-6。反应混合物中析出的沉淀经过滤收集,用新鲜乙醚洗涤,干燥后得到S-三苯甲基-L-半胱氨酸(5 g,收率98%)。产物结构通过1H NMR(DMSO-d6)确认:δ 2.35-2.61(m,2H,CH2),2.85-2.98(m,1H,CH),7.2-7.45(m,15H,三苯甲基-H)。MALDI-TOF MS分析显示m/z 364.7 [M + H]+,与C22H21NO2S的理论分子量(363.47)相符。
参考文献:
[1] European Journal of Medicinal Chemistry, 2012, vol. 50, p. 383 - 392
[2] Chemical Communications, 2013, vol. 49, # 92, p. 10808 - 10810
[3] Journal of the Chemical Society [Section] C: Organic, 1970, p. 2687
[4] Journal of Medicinal Chemistry, 1970, vol. 13, p. 414 - 418
[5] Canadian Journal of Chemistry, 1981, vol. 59, # 2, p. 406 - 421