5,6-二氢-4H-吡咯并[1,2-b]吡唑-2-羧酸乙酯合成路线 (共 5 条)
反应条件
in DMF (N,N-dimethyl-formamide) T=120 - 122°C; 12 h;
参考文献
US2004/242874 A1, ;
Page 13-14 ;
反应条件
in xylene 8 h; Heating / reflux;
参考文献
EP1241170 A2, ;
Page 47 ;
EP 1241170 A2
反应条件
in xylene 8 h; Heatingπ4s+π2s cycloaddition reactions of mesoionic title compound.; Product distribution;
参考文献
Tetrahedron Letters, , vol. 24, # 10 p. 1067 - 1070
反应条件
water; sodium hydroxide in 1,4-dioxane T=65°C; 2.5 h;
参考文献
GENENTECH, INC.; Crawford, James John; Ortwine, Daniel Fred; Wei, BinQing; Young, Wendy B.
Patent: US2013/116246 A1, 2013 ;
Location in patent: Paragraph 0581 ;
反应条件
1: With potassium hydroxide in ethanol T=10 - 26°C; 4.2 - 5.5 h; 2: With hydrogenchloride in water pH=2;
参考文献
Wyeth Holdings Corporation
Patent: US2004/242874 A1, 2004 ;
Location in patent: Page 14-15 ;