首页>
外国专利>
PRODUCTION OF SIDE-CHAIN-FLUORINATED ALKYLOXAZOLE AND NEW SIDE-CHAIN FLUORINATED ALKYLOXAZOLE
PRODUCTION OF SIDE-CHAIN-FLUORINATED ALKYLOXAZOLE AND NEW SIDE-CHAIN FLUORINATED ALKYLOXAZOLE
展开▼
机译:侧链氟化烷基恶唑的生产和新型侧链氟化烷基恶唑的生产
展开▼
页面导航
摘要
著录项
相似文献
摘要
Prepn. of 4-fluoromethyl-5-phenyl-oxazolidine, -oxazoline or oxazolidin-2-one derivs. of formula (I) comprises reacting the corresp. 4-hydroxymethyl cpd. of formula (II) with an alpha , alpha -difluoroalkylamine of formula (III). The novelty is that reaction is carried out at a press. below 2 bars, in presence of an inert solvent which boils above 100 degrees C (under normal press.). X1=H, NO2, alkylthio, etc.; X2=alkyl, haloalkyl, cycloalkyl, etc.; X3=H or as X2; X4=H; or X2+X3=O or X3+X4=bond; Y1=F or Cl; Y2=F, Cl or CF3; Y3,Y4=alkyl; or Y3+Y4=4-5C (un)satd. hydrocarbon chain; alkyl moieties have 1-6C.
展开▼
机译:准备4-氟甲基-5-苯基-恶唑烷,-恶唑啉或恶唑烷丁-2-酮衍生物。式(I)的化合物包括使对应物反应。 4-羟甲基cpd。式(II)的化合物与式(III)的α,α-二氟烷基胺。新颖之处在于反应是在压力机上进行的。低于2巴,在惰性溶剂中沸点高于100摄氏度(在正常压力下)。 X 1 = H,NO 2,烷硫基等; X 2 =烷基,卤代烷基,环烷基等; X 3 = H或X 2; X 4 = H;或X 2 + X 3 = O或X 3 + X 4 =键;或Y 1 = F或Cl; Y 2 = F,Cl或CF 3; Y 3,Y 4 =烷基;或Y 3 + Y 4 = 4-5C(un)饱和。烃链烷基部分具有1-6C。
展开▼