( ( ( Especially versatile ) methods ) ( ( ( included ( ( ( ( ( ( ( the addition ) ( of ( halogens ( to alkenes ) ) ) ) , ) ( hydrohalogenation ( of alkenes ) ) ) , ) and ) ( ( the conversion ) ( of alcohols ) ) ) ) ( to ( alkyl halides ) ) ) . ) )
(ROOT (S (NP (ADJP (RB Especially) (JJ versatile)) (NNS methods)) (VP (VBD included) (NP (NP (NP (DT the) (NN addition)) (PP (IN of) (NP (NP (NNS halogens)) (PP (TO to) (NP (NNS alkenes)))))) (, ,) (NP (NP (NN hydrohalogenation)) (PP (IN of) (NP (NNS alkenes)))) (, ,) (CC and) (NP (NP (DT the) (NN conversion)) (PP (IN of) (NP (NNS alcohols))))) (PP (TO to) (NP (JJ alkyl) (NNS halides)))) (. .)))
Especially versatile methods included the addition of halogens to alkenes, hydrohalogenation of alkenes, and the conversion of alcohols to alkyl halides.
(ROOT (S (NP (NNS Alkenes)) (VP (VBP are) (VP (VBN formed) (PP (IN from) (NP (NP (DT an) (NN alcohol)) (SBAR (WHNP (WDT that)) (S (VP (VBZ loses) (NP (NN water))))))))) (. .)))