3,6-二氢-4-甲基-2-(2-甲基-1-丙烯基)-2H-吡喃合成路线 （共 6 条）
反应条件
hydrogenchloride in hexane; water
2 h;
参考文献
Council of Scientific and Industrial Research
Patent: US7166728 B2, 2007 ;
Location in patent: Page/Page column 6 ;
反应条件
sodium hydrogen sulphate in water; toluene
T=110 - 115°C; 21.5 h; Dean-Stark;
参考文献
BASF SE; Heidemann, Thomas; Königsmann, Lucia
Patent: US2013/109867 A1, 2013 ;
Location in patent: Paragraph 0083 ;
反应条件
1: 89 percent / KOH / methanol / 9 h / Heating
2: 80 percent / aq. HCl / hexane / 2 h / 0 °C
View Scheme
参考文献
Gupta, Pankaj; Sethi, Vijay K.; Taneja, Subhash C.; Shah, Bhahwal A.; Andotra, Samar S.; Koul, Surrinder; Chimni, Swapandeep S.; Qazi, Ghulam N.
Helvetica Chimica Acta, 2007 , vol. 90, # 1 p. 196 - 204
反应条件
1: 85 percent / methanol / 5 - 10 °C
2: 89 percent / KOH / methanol / 9 h / Heating
3: 80 percent / aq. HCl / hexane / 2 h / 0 °C
View Scheme
参考文献
Gupta, Pankaj; Sethi, Vijay K.; Taneja, Subhash C.; Shah, Bhahwal A.; Andotra, Samar S.; Koul, Surrinder; Chimni, Swapandeep S.; Qazi, Ghulam N.
Helvetica Chimica Acta, 2007 , vol. 90, # 1 p. 196 - 204
反应条件
1: 64 percent / LDA / tetrahydrofuran / 0.5 h / -78 °C
2: 99 percent / LiAlH4 / diethyl ether / 1 h
3: 25 percent / 20percent H2SO4 / 20 h / Ambient temperature
View Scheme
参考文献
Kitahara, Takeshi; Takagi, Yoshikazu; Matsui, Masanao
Agricultural and Biological Chemistry, 1980 , vol. 44, # 4 p. 897 - 902
反应条件
1: 99 percent / LiAlH4 / diethyl ether / 1 h
2: 25 percent / 20percent H2SO4 / 20 h / Ambient temperature
View Scheme
参考文献
Kitahara, Takeshi; Takagi, Yoshikazu; Matsui, Masanao
Agricultural and Biological Chemistry, 1980 , vol. 44, # 4 p. 897 - 902
