respectively.Cycloaddition also takes place between ester 2 and furan, but the majorproducts (considered to be isomeric 1:1 adducts) have not been fully characterised.Although, ester 2 undergoes reaction with trifluoronitrosomethane, a cycloadduct hasnot been isolated, while nucleophilic attack by imidazole on the triple bond leads to the(Z)-alkene (18).
该盐的CF治疗3 CCLi(3)与醛RCH 2 CHO(RH和pH下)affordsthe仲醇CF 3 CCCHROH(1A)RMe和(1B)RCH 2 pH值。
酒精1a中没有给出对应的酮上试图氧化(
吡啶鎓chlorochromateor的Na 2的Cr 2 ö 7 / H 2 SO 4),但醇1B氧化成二酮(CF 3 CCCOCHPh)2(7)(41%)由活性MnO 2。
醋酸纤维CF 3CCCHMeO 2
CME(2)经历容易reactionwith
重氮甲烷,得到3 - [(1'-乙酰氧基)乙基] -4-三
氟甲基
吡唑(10A)和hencethe 3-和5 - [(1 ' -乙酰氧基)乙基-1-甲基-4- trifluoromethylpyrazoles(11A)和(12A),respectively.Cycloaddition也发生酯之间2和
呋喃,但majorproduct