Reactions of norbornadiene with haloacetylenes activated with a trifluoroacetyl or ethoxalyl group proceed as stereospecific conjugated exo-addition of the alkynyl substituent and the halogen atom to the double bond of norbornadiene.
降
冰片二烯与三
氟乙酰基或乙氧基乙酰基活化的卤代炔的反应,是降
冰片二烯双键上的炔基取代基和卤素原子进行立体特异性共轭外加成。