【结 构 式】 |
【药物名称】Tauromustine, TCNU, LS-2667, Tauricyt 【化学名称】1-(2-Chloroethyl)-3-[2-(dimethylsulfamoyl)ethyl]-1-nitrosurea 【CA登记号】85977-49-7 【 分 子 式 】C7H15ClN4O4S 【 分 子 量 】286.739 |
【开发单位】Leo (Originator) 【药理作用】Oncolytic Drugs, DNA-Damaging Drugs |
合成路线1
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.
【1】 Carlsson, J.-I.; Jensen, P.H.G.; Stamvik, A.R. (Leo Pharma AB); N-nitroso compounds and compositions containing such compounds. EP 0106123; JP 59073562; US 4613695 . |
【2】 Prous, J.; Castaner, J.; Tauromustine. Drugs Fut 1986, 11, 7, 585. |
合成路线2
2) By condensation of (I) with N-(2-chloroethyl)-N-nitrosocarbamoyl hydrazide (IV) in ethanol with triethylamine as catalyst.
【1】 Carlsson, J.-I.; Jensen, P.H.G.; Stamvik, A.R. (Leo Pharma AB); N-nitroso compounds and compositions containing such compounds. EP 0106123; JP 59073562; US 4613695 . |
【2】 Prous, J.; Castaner, J.; Tauromustine. Drugs Fut 1986, 11, 7, 585. |
合成路线3
3) By condensation of (I) with 1-[N-(2-chloroethyl)-N-nitrosocarbamoyloxy]pyrrolidine-2,5-dione (V) in methanol with triethylamine as catalyst.
【1】 Carlsson, J.-I.; Jensen, P.H.G.; Stamvik, A.R. (Leo Pharma AB); N-nitroso compounds and compositions containing such compounds. EP 0106123; JP 59073562; US 4613695 . |
【2】 Prous, J.; Castaner, J.; Tauromustine. Drugs Fut 1986, 11, 7, 585. |
合成路线4
4) By condensation of (I) with 4-nitrophenyl N-(2-chloroethyl)-N-nitrosocarbamate (VI) in methanol with triethylamine as before.
【1】 Carlsson, J.-I.; Jensen, P.H.G.; Stamvik, A.R. (Leo Pharma AB); N-nitroso compounds and compositions containing such compounds. EP 0106123; JP 59073562; US 4613695 . |
【2】 Prous, J.; Castaner, J.; Tauromustine. Drugs Fut 1986, 11, 7, 585. |