The treatment of F-alkyl ketones with sodium diethyl phosphite in tetrahydrofuran at −10 to 0 °C gave high yields of 1-substituted F-1-alkenyl phosphates, which readily reacted with amidine or hydrazine derivatives at room temperature to afford the corresponding fluorinated pyrimidines or pyrazoles, respectively, in good to excellent yields.
在四氢呋喃中在 -10 至 0 °C 下用二乙基亚磷酸钠处理 F-烷基酮,得到高产率的 1-取代 F-1-烯基磷酸酯,其在室温下容易与脒或肼衍生物反应,得到相应的氟化物。嘧啶类或吡唑类,分别具有良好到极好的产率。
Partially Fluorinated Aliphatic Compounds by Reductive Desulfurization of Substituted Thiophene
作者:S. Portnoy、H. Gisser
DOI:10.1021/jo01056a518
日期:1962.9
ISHIHARA, TAKASHI;OKADA, YOSHIJI;KUROBOSHI, MANABU;SHINOZAKI, TAKAO;ANDO,+, CHEM. LETT.,(1988) N 5, 819-822