2,3,4,6-四-O-苯甲基-β-D-异丙基吡喃葡萄糖苷合成路线 (共 39 条)
反应条件
phenyl-trifluoro-silane in dichloromethane T=-40°C; 2 h; optical yield given as percent dediastereoselective reaction;
参考文献
Advanced Synthesis and Catalysis, , vol. 354, # 8 p. 1489 - 1499
反应条件
1: 2,3,4,6-tetra-O-benzyl-D-glucopyranose With bis-(phenyl)-sulfoxide; trifluoromethanesulfonic acid anhydride in dichloromethane; toluene T=-78 - -40°C; Dehydration; 1 h; 2: isopropyl alcohol With alpha-chloropyridine in dichloromethane; toluene T=-40 - 23°C; glycosylation; 1.25 h;
参考文献
Journal of the American Chemical Society, , vol. 119, # 32 p. 7597 - 7598
反应条件
4 A molecular sieve; lithium perchlorate in diethyl ether T=25°C; 24 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Liebigs Annalen, , # 4 p. 613 - 620
反应条件
trimethylsilyl trifluoromethanesulfonate T=-78°C; Molecular sieveInert atmosphere;
参考文献
Journal of the American Chemical Society, , vol. 136, # 3 p. 921 - 923
反应条件
trimethylsilyl trifluoromethanesulfonate T=-78°C; 0.416667 h; Yield given. Yields of byproduct given;
参考文献
Chemical Communications, , # 19 p. 2129 - 2130
反应条件
trimethylsilyl trifluoromethanesulfonate; 3 A molecular sieve in acetonitrile T=0°C; 0.25 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Tetrahedron Letters, , vol. 28, # 40 p. 4701 - 4704
反应条件
4 A molecular sieve; lithium perchlorate in acetonitrile T=25°C; 24 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Liebigs Annalen, , # 4 p. 613 - 620
反应条件
montmorillonite K-10 in dichloromethane; acetonitrile T=-20°C; 0.5 h;
参考文献
Tetrahedron Letters, , vol. 43, # 5 p. 847 - 850
Carbohydrate Research, , vol. 340, # 3 p. 337 - 353
反应条件
1: 82 percent / AcOH / toluene / 1.5 h / Heating 2: 81 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU), N-bromosuccinimide (NBS) / dimethylformamide / 0.75 h / Ambient temperature 3: NaH / tetrahydrofuran / 3.5 h / Ambient temperature; Irradiation View Scheme
参考文献
Helvetica Chimica Acta, , vol. 74, # 8 p. 2100 - 2111
反应条件
4 A molecular sieve; methyl iodide in dichloromethane T=50°C; 34 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Tetrahedron, , vol. 47, # 32 p. 6435 - 6448