ADVANCES IN TETRAZOLE CHEMISTRY IN RUSSIA

V.A. Ostrovskii (all other questions, proposals or information) , Michael Yudintceff (web-master)

St.-Petersburg State Institute of Technology , 198013, St.Petersburg, Russia

Hammett Correlations For the Specified Above Cases Tetrazoles Alkylations With Electrophilic Reagents

 

 

Õ

Series

For rate const.: lgkR = r s + lgko;

For regiosel.factor: lgFR = D r s + lgFo

1

 5-Aryltetrazolates (II) with Dimethyl Sulfate in Acetonitril [1]

  • lgk25oC = - 0.60 s - 0.48;

    lgF25oC = 0.60 s + 0.40;

    •

    2

    		 5-Aryltetrazolates (II) with Dimethyl Sulfate in Water [2]

    lgF25oC = 0.31s + 0.41;

    3

    		 5-Aryltetrazolates (II) with Ethylbromoacetate in Acetonitril [3]

  • lgk25oC = - 0.75 s - 1.61;

    •

    lgF25oC = 0.67 s + 0.42;

    4

    		 5-Aryltetrazolates (II) with Methyl Iodine in CH2Cl2 - NaOH - TBAB [4]

    lgF25oC = 0.36 s + 0.42;

    5

    		 Triethylamin -5-Aryltetrazolate with Methyl Vinyl Ketone in Acetonitril [5]

    lgk25oC = - 0.23 s - 3.61;

    6

    		 5-Aryltetrazoles with Isopropyl Alcohole in Sulfuric Acid Medium [6]

  • lgk25oC = - 0.49 s - 0.42;

    •

     

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    1. V.A.Ostrovskii, I.Yu.Shchirobokov,G.I.Koldobskii, Zh.Org.Khim. 17, Õ 1, 146-151 (1981).
    2. M.L.Shpak,V.A.Ostrovskii, I.Yu.Shchirobokov,G.I.Koldobskii, B.V.Gidaspov, Zh.Org.Khim. 14, Õ 11, 2444-2446 (1978).
    3. V.S.Poplavskii, I.E.Titova, V.A.Ostrovskii, G.I.Koldobskii, Zh.Org.Khim. 18, Õ 9, 1081-1085 (1982).
    4. T.F.Osipova, V.A.Ostrovskii, G.I.Koldobskii, G.B.Erusalimskii, Zh.Org.Khim. 20, Õ 2, 398-403 (1984).
    5. V.S.Poplavskii, I.E.Titova, V.A.Ostrovskii, G.I.Koldobskii, Zh.Org.Khim. 25, Õ 10, 2182-2186 (1989).
    6. A.O.Koren, P.N.Gaponik, V.A.Ostrovskii, Int.J.Chem.Kinet., 27, Õ 9, 919-924 (1995).