Complex sentence: ExxonMobil developed a process in which benzene is hydroalkylated to cyclohexylbenzene, the latter product is oxidized to a hydroperoxide and cleaved to phenol and cyclohexanone.
Split into simpler sentences: ExxonMobil developed a process in which benzene is hydroalkylated to cyclohexylbenzene. This latter product is oxidized to a hydroperoxide and then cleaved to phenol and cyclohexanone.