(3R,4R)-3,4-Dihydro-2H-pyran-3,4-diyl diacetate合成路线 (共 22 条)
反应条件
[Cp2Ti(III)Cl]2 in tetrahydrofuran Ambient temperature;
参考文献
Spencer, Roxanne P.; Cavallaro, Cullen L.; Schwartz, Jeffrey
Journal of Organic Chemistry, 1999 , vol. 64, # 11 p. 3987 - 3995
反应条件
1: With hydrogen bromide; acetic acid in dichloromethane T=0°C; 2: With sodium acetate; copper; acetic acid; zinc in tetrahydrofuran
参考文献
Angewandte Chemie - International Edition, , vol. 43, # 21 p. 2834 - 2837
反应条件
1: With hydrogen bromide; acetic anhydride; acetic acid T=0 - 20°C; 2 h; 2: With sodium acetate; acetic acid; zinc in water; acetone T=0 - 20°C; 3.75 h;
参考文献
BASF AKTIENGESELLSCHAFT
Patent: WO2004/2979 A2, 2004 ;
Location in patent: Page/Page column 16 ;
反应条件
silver-graphite; zinc in tetrahydrofuran T=-20 - 25°C; 0.333333 h;
参考文献
Csuk, Rene; Fuerstner, Alois; Glaenzer, Brigitte I.; Weidmann, Hans
Journal of the Chemical Society, Chemical Communications, 1986 , # 15 p. 1149 - 1150
反应条件
1.1: pyridine 2.1: HBr; AcOH / CH2Cl2 / 0 °C 2.2: Zn/Cu; NaOAc; AcOH / tetrahydrofuran View Scheme
参考文献
Angewandte Chemie - International Edition, , vol. 43, # 21 p. 2834 - 2837
反应条件
lt;Cr(II)(EDTA)gt;(2-) in water; N,N-dimethyl-formamide 432 h; pH 5.0;
参考文献
Tetrahedron, , vol. 55, # 16 p. 5253 - 5264
反应条件
tetra-.mu.-acetatodichromium dihydrate; (ethylenedinitrilo)tetraacetic acid disodium salt in water; ethyl acetate pH=5.0; 18 h;
参考文献
Kovacs, Gyoengyver; Micskei, Karoly; Somsak, Laszlo
Carbohydrate Research, 2001 , vol. 336, # 3 p. 225 - 228
参考文献
Journal of Biological Chemistry, , vol. 83, p. 803,809
反应条件
1: TMS-Br / CH2Cl2 2: 89 percent / (Cp2TiCl)2 / tetrahydrofuran / Ambient temperature View Scheme
参考文献
Journal of Organic Chemistry, , vol. 60, # 21 p. 7055 - 7057
反应条件
copper(II) sulfate; acetic acid; zinc T=-8°C;
参考文献
Chemische Berichte, , vol. 87, p. 1488,1490
Tetrahedron, , vol. 4, p. 351,358