In this chapter, we focus on a third possibility: reactions in which the electrons in a carbon-carbon pi bond react in a nucleophilic or basic fashion: But don't let the nomenclature confuse you - the...In this chapter, we focus on a third possibility: reactions in which the electrons in a carbon-carbon pi bond react in a nucleophilic or basic fashion: But don't let the nomenclature confuse you - these reactions, like all other reactions in organic chemistry, involve the interaction between an electron-rich species (a nucleophile or base, in this chapter a pair of pi-bonded electrons), and a electron-poor species (an electrophile or a proton).