Mangga baca bagian di handap ieu, tuluy ngajawab patarosan di handap ieu dina basa nu sarua jeung bagian: Passage: Due to the decreased electron density in the aromatic system, electrophilic substitutions are suppressed in pyridine and its derivatives. Friedel<unk>Crafts alkylation or acylation, usually fail for pyridine because they lead only to the addition at the nitrogen atom. Substitutions usually occur at the 3-position, which is the most electron-rich carbon atom in the ring and is, therefore, more susceptible to an electrophilic addition. Pertanyaan: Posisi atom mana anu paling beunghar karbon?
3-posisi