Prelab_ Acetanilide to p-Nitroanilline
- 최초 등록일
- 2019.09.19
- 최종 저작일
- 2016.07
- 5페이지/
한컴오피스
- 가격 1,500원
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소개글
"Prelab_ Acetanilide to p-Nitroanilline"에 대한 내용입니다.
목차
Ⅰ. Objectives
Ⅱ. Principles & Methods
1. Aromatic compound
2. Nomenclature of aromatic compound
3. Electrophilic aromatic substitution reaction
4. Nitration of benzene
5. Ortho/Para directing & Meta directing
6. Hydrolysis of the amide
7. Simple principle of this experiment
8. Apparatus
9. Method
본문내용
Aromatic compounds, also known as arenes or aromatics, are chemical compounds that contain conjugated planar ring systems with delocalized pi electron clouds instead of discrete alternating single and double bonds. Typical aromatic compounds are benzene and toluene. Benzene is a ring of six sp2 hybrid carbon atoms, each bonded to one hydrogen atom.
All the carbon-carbon bonds are the same length, and all the bond angles are exactly 120°. Each sp2 carbon atom has an unhybridized p orbital perpendicular to the plane of the ring, and six electrons occupy this circle of p orbitals.
Aromatic compounds are those that meet the following criteria :
① The structure must be cyclic, containing some number of conjugated pi bonds
② Each atom in the ring must have an unhybridized p orbital
③ The unhybridized p orbitals must overlap to form a continuous ring of parallel orbitals. In most cases, the structure must be (nearly) planar for effective overlap to occur
④ Delocalization of the pi electrons over the ring must lower the electronic energy
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