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
1: NaOCH3 / methanol 2: NaH / dimethylformamide 3: TMSOTf, molecular sieves 4A / diethyl ether / 0.5 h / -35 °C View Scheme
参考文献
Tetrahedron Letters, , vol. 28, # 40 p. 4701 - 4704
反应条件
in dichloromethane 5 h; Ambient temperature; Yield given. Yields of byproduct given;
参考文献
Helvetica Chimica Acta, , vol. 72, p. 1371 - 1382
反应条件
4 A molecular sieve; lithium perchlorate; cesium fluoride in dichloromethane 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
Cu2(OTf)2; 4 A molecular sieve; triethylamine; copper(II) oxide in acetonitrile 0.0833333 h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Tetrahedron Letters, , vol. 39, # 44 p. 8097 - 8100
反应条件
1: 91 percent / I2, Et3N / methanol / 0.25 h / -25 °C 2: CH2Cl2 / 5 h / Ambient temperature View Scheme
参考文献
Helvetica Chimica Acta, , vol. 72, p. 1371 - 1382
反应条件
1: 82 percent / NH3 / methanol / 36 h / Ambient temperature 2: 91 percent / I2, Et3N / methanol / 0.25 h / -25 °C 3: CH2Cl2 / 5 h / Ambient temperature View Scheme
参考文献
Helvetica Chimica Acta, , vol. 72, p. 1371 - 1382
反应条件
1: 81 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU), N-bromosuccinimide (NBS) / dimethylformamide / 0.75 h / Ambient temperature 2: 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
1: 18-crown-6 ether / acetonitrile / 16 h / 20 °C / Inert atmosphere 2: 1,2-dichloro-ethane View Scheme
参考文献
Angewandte Chemie - International Edition, , vol. 50, # 18 p. 4197 - 4201
反应条件
1: silver(l) oxide; N-ethyl-N,N-diisopropylamine / dichloromethane / 8 h / 20 °C / |Molecular sieve; |Inert atmosphere 2: trimethylsilyl trifluoromethanesulfonate / -78 °C / |Molecular sieve; |Inert atmosphere View Scheme
参考文献
Journal of the American Chemical Society, , vol. 136, # 3 p. 921 - 923
反应条件
sodium hydride in tetrahydrofuran 3.5 h; Ambient temperatureIrradiation; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Helvetica Chimica Acta, , vol. 74, # 8 p. 2100 - 2111