( ( Peripheral ( carbon atoms ) ) ( ( ( ( were oxidized ) , ) ( producing ( ( ( aromatic alcohols ) , ) ketones ) ) ) ; ) )
(ROOT (S (NP (JJ Peripheral) (NN carbon) (NNS atoms)) (VP (VBD were) (ADJP (JJ oxidized)) (, ,) (S (VP (VBG producing) (NP (NP (JJ aromatic) (NNS alcohols)) (, ,) (NP (NNS ketones)))))) (: ;)))
Peripheral carbon atoms were oxidized, producing aromatic alcohols, ketones;
(ROOT (S (NP (JJ Secondary) (NN alcohol)) (VP (VBZ forms) (NP (DT a) (NN ketone)) (SBAR (WHADVP (WRB when)) (S (VP (VBD oxidized))))) (. .)))