New derivatives of phenyl 3-phenylbutyrate, a method of obtaining new derivatives of phenyl 3-phenylbutyrate and the application of new derivatives of phenyl 3-phenylbutyrate for liquid crystalline mixtures
申请人:UNIWERSYTET WARSZAWSKI
公开号:EP0337489A2
公开(公告)日:1989-10-18
The subject of the invention are new derivatives of phenyl 3-phenylbutyrate and a method of obtaining new derivatives of phenyl 3-phenylbutyrate of the general formula 1,
wherein
A denotes a hydrogen atom, the radical C₁-C₁₂-alkyl, the residue -O(C₁-C₁₂-alkyl), -CO(C₁-C₁₂-alkyl), -COO(C₁-C₁₂-alkyl), -OOC(C₁-C₁₂-alkyl) and the group -CN, -NCS or -NO₂,
B denotes residues of formulas
wherein R denotes substituents mentioned for A, R′ denotes the radical C₁-C₁₂-alkyl, while X denotes the group -N=N-, -N(O)N-, -COO- or -OOC-,
consisting in that the acid of the general formula 2
wherein A has the above mentioned meaning,
or in the form of an acid chloride, is reacted with phenol of the general formula 3
wherein B has the above mentioned meaning.
New derivatives of phenyl 3-phenylbutyrate are applied for the preparation of chiral or achiral liquid-crystalline mixtures.
本发明的主题是 3-苯基丁酸苯酯的新衍生物和获得通式 1 的 3-苯基丁酸苯酯新衍生物的方法、
其中
A 表示氢原子、基 C₁-C₁₂-烷基、残基 -O(C₁-C₁₂-烷基)、-CO(C₁-C₁₂-烷基)、-COO(C₁-C₁₂-烷基)、-OOC(C₁-C₁₂-烷基)和基团 -CN、-NCS 或 -NO₂、
B 表示式子的残基
其中 R 表示 A 所述的取代基,R′表示基团 C₁-C₁₂-烷基,而 X 表示基团 -N=N-、-N(O)N-、-COO- 或 -OOC-、
包括通式 2 的酸
其中 A 具有上述含义、
或以酸氯化物的形式与通式 3 的苯酚反应
其中 B 具有上述含义。
3-苯基丁酸苯酯的新衍生物可用于制备手性或非手性液晶混合物。