【药物名称】Tauromustine, TCNU, LS-2667, Tauricyt
化学结构式(Chemical Structure):
参考文献No.41904
标题:N-nitroso compounds and compositions containing such compounds
作者:Carlsson, J.-I.; Jensen, P.H.G.; Stamvik, A.R. (Leo Pharma AB)
来源:EP 0106123; JP 59073562; US 4613695
合成路线图解说明:

1) N,N-Dimethyl-2-aminoethanesulfonamide (I) is condensed with 2-chloroethyl isocyanate (II) by means of triethylamine in CHCl3 giving 1-(2-chloroethyl)- isocyanate (II) by means of triethylamine in CHCl3 giving 1-(2-chloroethyl)-3-[2-(dimethylsulfamoyl)ethyl]urea (III), which is nitrosated with NaNO3, N2O4 or NOCl in acetic acid-acetic anhydride.

合成路线图解说明:

2) By condensation of (I) with N-(2-chloroethyl)-N-nitrosocarbamoyl hydrazide (IV) in ethanol with triethylamine as catalyst.

合成路线图解说明:

3) By condensation of (I) with 1-[N-(2-chloroethyl)-N-nitrosocarbamoyloxy]pyrrolidine-2,5-dione (V) in methanol with triethylamine as catalyst.

合成路线图解说明:

4) By condensation of (I) with 4-nitrophenyl N-(2-chloroethyl)-N-nitrosocarbamate (VI) in methanol with triethylamine as before.

参考文献No.51512
标题:Tauromustine
作者:Prous, J.; Casta馿r, J.
来源:Drugs Fut 1986,11(7),585
合成路线图解说明:

1) N,N-Dimethyl-2-aminoethanesulfonamide (I) is condensed with 2-chloroethyl isocyanate (II) by means of triethylamine in CHCl3 giving 1-(2-chloroethyl)- isocyanate (II) by means of triethylamine in CHCl3 giving 1-(2-chloroethyl)-3-[2-(dimethylsulfamoyl)ethyl]urea (III), which is nitrosated with NaNO3, N2O4 or NOCl in acetic acid-acetic anhydride.

合成路线图解说明:

2) By condensation of (I) with N-(2-chloroethyl)-N-nitrosocarbamoyl hydrazide (IV) in ethanol with triethylamine as catalyst.

合成路线图解说明:

3) By condensation of (I) with 1-[N-(2-chloroethyl)-N-nitrosocarbamoyloxy]pyrrolidine-2,5-dione (V) in methanol with triethylamine as catalyst.

合成路线图解说明:

4) By condensation of (I) with 4-nitrophenyl N-(2-chloroethyl)-N-nitrosocarbamate (VI) in methanol with triethylamine as before.

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