50615-66-2

基本信息
2,3,4,6-四-O-乙酰基-1-硫代-Β-D-吡喃半乳糖
2,3,4,6-四-O-乙?;?1-硫代-Β-D-吡喃半乳糖
2,3,4,6-四-O-乙酰基-1-硫代-BETA-D-吡喃半乳糖
(2R,3S,4S,5R,6S)-2-(乙酰氧基甲基)-6-巰基四氫-2H-吡喃-3,4,5-三乙酸酯
PHENYL 2,3,4,6-TETRA-O-ACETYL-Β-D-THIOGALACTOPYRANOSIDE 2,3,4,6-四-O-乙?;?1-硫代-Β-D-吡喃半乳糖
2,3,4,6-Tetra-O-acetyl-β-D-thiogalactopyranose
2,3,4,6-Tetra-O-acetyl-b-D-thiogalactopyranose
b-D-Galactopyranose,1-thio-,2,3,4,6-tetraacetate
2,3,4,6-Tetra-O-acetyl-1-thio-β-D-galactopyranose
β-D-Galactopyranose, 1-thio-, 2,3,4,6-tetraacetate
2,3,4,6-Tetra-O-acetyl-1-thio-β-D-galactopyranoside
2,3,4,6-Tetra-O-acetyl-beta-D-1-thioglacatopyranoside
(2R,3S,4S,5R,6S)-2-(Acetoxymethyl)-6-mercaptotetrahydro-2H-pyran-3,4,5-triyl triacetate
物理化學(xué)性質(zhì)
制備方法

6806-56-0

19879-84-6
一種合成1-硫代-β-D-葡萄糖四乙酸酯的方法,包括以下步驟:(1)將硫代乙酰基保護的糖、硫醇和弱堿溶于有機溶劑中,配置混合溶液。具體操作如下:以2,3,4,6-四-O-乙?;?1-S-乙?;?β-D-吡喃半乳糖(600mg,1.48mmol)為硫代乙?;Wo的糖,L-半胱氨酸甲酯鹽酸鹽(254mg,1.48mmol)為硫醇,三乙胺(0.2mL,1.48mmol)為弱堿,二甲基甲酰胺(14.8mL)為溶劑。硫代乙?;Wo的糖與硫醇的摩爾比為1:1,硫代乙?;Wo的糖與弱堿的摩爾比也為1:1,硫代乙?;Wo的糖的濃度為0.1M。(2)將步驟(1)中得到的混合溶液在室溫下攪拌反應(yīng)1.5小時。反應(yīng)完成后,進行萃取和純化操作:向反應(yīng)混合物中加入50mL水,用甲苯(3×100mL)萃取,合并有機相,用飽和食鹽水洗滌有機相,隨后用無水硫酸鈉干燥,最后減壓濃縮,得到517mg的2,3,4,6-四-O-乙?;?β-D-吡喃半乳糖基硫醇,產(chǎn)率為96%。
參考文獻(xiàn):
[1] Green Chemistry, 2015, vol. 17, # 4, p. 2545 - 2551
[2] Patent: CN105418696, 2016, A. Location in patent: Paragraph 0056; 0057; 0058; 0059; 0060; 0061
[3] Angewandte Chemie - International Edition, 2004, vol. 43, # 29, p. 3818 - 3822
[4] Tetrahedron Letters, 2017, vol. 58, # 24, p. 2381 - 2384
報價日期 | 產(chǎn)品編號 | 產(chǎn)品名稱 | CAS號 | 包裝 | 價格 |
2025/05/22 | XW025061566203 | (2R,3S,4S,5R,6S)-2-(乙酰氧基甲基)-6-巰基四氫-2H-吡喃-3,4,5-三乙酸酯 | 50615-66-2 | 1G | 714元 |
2025/05/22 | XW025061566202 | (2R,3S,4S,5R,6S)-2-(乙酰氧基甲基)-6-巰基四氫-2H-吡喃-3,4,5-三乙酸酯 | 50615-66-2 | 250MG | 237元 |
2024/11/08 | XW025061566201 | (2R,3S,4S,5R,6S)-2-(乙酰氧基甲基)-6-巰基四氫-2H-吡喃-3,4,5-三乙酸酯 | 50615-66-2 | 100MG | 125元 |