| abstract |
NEW MATERIAL:A phenolic compound of formula I (R 1 is alkyl, cycloalkyl; R 2 is H, alkyl). n EXAMPLE: 1-(4-Hydroxyphenyl)-1-(3-isopropyl-4-hydroxyphenyl)cyclohexane. n USE: A coloring agent for thermosensitive recorder, which can be applied to a wide range of fields such as instrumentation recording, terminal recording for information communication devices and output recording for computers, because of the high whiteness of the recorder, high durability of records and thermal sensitivity of the recorder. n PREPARATION: The reaction of p-cyclohexenylphenol of formula II with an o- substituted phenol of formula III in the presence of an acidic catalyst enables high-efficiency production of the compound of formula I . n COPYRIGHT: (C)1984,JPO&Japio |