Bài giảng phenol lớp 11 năng cao

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Benzen metyl benzen(toluen) naphtalen
HIĐROCACBON THƠM
OH
OH
OH
PHENOL
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
Liên kết O-H trở nên phân cực hơn, làm
cho nguyên tử H linh động hơn so với ancol.
Suy ra phenol có tính axit rất yếu.

Mật độ e ở vòng benzen tăng lên, nhất
là ở vị trí o và p. Suy ra phản ứng thế ở
nhân thơm dễ hơn benzen.
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
Liên kết C-O trở nên bền vững hơn so
với ancol vì thế nhóm OH phenol không bị
thế như nhóm OH ancol.
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