发明授权
US4048200A 1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes 失效
1,1,2-三 - (邻 - 对羟基苯基)-1-苯基 - 乙烷

1,1,2-Tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes
摘要:
New [1,1,2-tris-(o/p-hydroxyphenyl)-1-phenyl-ethanes] and their preparation by reacting acetophenone derivatives with phenol at temperatures between -20.degree. and 200.degree. C.
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