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GIÁO TRÌNH THỰC HÀNH HÓA HỮU CƠ TRƯỜNG ĐẠI HỌC CÔNG NGHIỆP TP. HỒ CHÍ MINH (2016)

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Bảng 1.11: Độ dời hóa học của proton (giá trị gần đúng)<br />

Kiểu proton<br />

Độ dời hóa học (δ, ppm)<br />

Alkyl bậc 1, RCH 3 0.8 – 1.0<br />

Alkyl bậc 2, RCH 2 R 1.2-1.4<br />

Alkyl bậc 3, R 3 CH 1.4-1.7<br />

Alyl, R 2 C=CRCH 3 1.6.1.9<br />

Benzilic, Ar-CH 3 2.2-2.5<br />

Alkyl halogenua, RCH 2 Cl 3.6-3.8<br />

Alkyl bromua, RCH 2 Br 3.4-3.6<br />

Alkyl iodua, RCH 2 I 3.1-3.3<br />

Ete, ROCH 2 R 3.3-3.9<br />

Rượu, HO-CH 2 -R 3.3-3.4<br />

Xeton, R(C=O)CH 3 2.1-2.6<br />

Vinylic, R 2 C=CH 2 4.6-5.0<br />

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