1: 69 percent / NaOMe / dioxane / 45 h / 110 °C
2: 94 percent / water / aq. NaOH / dioxane / 17 h / 110 °C
3: 70 percent / PCC / CH2Cl2 / 2 h / Ambient temperature
4: 59 percent / BF3*MeOH / 17 h / Ambient temperature; reaction of its derivatives HCl too with sev. alcohols
View Scheme
参考文献
Martin, Tracey; Moody, Christopher J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1988 , p. 235 - 240
palladium diacetate in acetic acid
Cyclization; 1.5 h; Heating;
参考文献
Yamamura, Tatsuo; Suzuki, Kyouichi; Yamaguchi, Tatsuya; Nishiyama, Tomihiro
Bulletin of the Chemical Society of Japan, 1997 , vol. 70, # 2 p. 413 - 419