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formaldehyd l-cysteine hydr°Chloride L-thioproline L-cysteine ethyl ester hydr°Chlorideethyl L-thiazolidine-4-carboxylate (R)-6-(4-Chloro-phenyl)-dihydro-imidazo[1,5-c]thiazole-5,7-dione °Ctane6,8-dioxo-7-phenyl-3-thia-1,7-diazabicyclo3.3.0°Ctane (R)-6-phenyl-5-thioxotetrahydroimidazo[1,5-c]thiazol-7(3H)-one 合成工艺路线路线简述
- 合成目标产物 Ethyl (R)-Thiazolidine-4-Carboxylate 主要起始原料 Ethyl L-Thiazolidine-4-Carboxylate Hydrochloride
- (文献来源)合成步骤主要原料 Ethyl L-Thiazolidine-4-Carboxylate Hydrochloride
📜L-硫代脯氨酸乙酯盐酸盐置于sodium Carbonate体系中,用96%的收率获得产物(R)-噻唑烷-4-羧酸乙酯
参考文献:Synthesis Ofc2-Symmetric Bisthiazolidine Ligands Derived From L-Cysteine
标题:Synthesis Ofc2-Symmetric Bisthiazolidine Ligands Derived From L-Cysteine
摘要:Treatment Of L-Cysteine Esters And Thiazolidine-4-Carboxylic Esters With An Excess Of Paraformaldehyde In The Presence Of Trifluoroacetic Acid Provides C-2-Symmetric N,N'-Methylenebisthiazolidines In Good Yield.
DOI:10.1081/scc-100103989
海关参考信息
- 2905121000-正丙醇
2909110000-乙醚
2912110000-甲醛
2912120000-乙醛 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
专利信息
专利号:IT-MI941955-A1
优先权日:1994-09-27
标 题:'QUANTITATIVE SYNTHESIS OF 3- (L-PIROGLUTAMIL) -L-THIAZOLIDIN-4- CARBOXYLIC ACID AND ITS DERIVATIVES'
专利号:BG-63895-B1
优先权日:1994-09-27
标题 :METHOD FOR QUANTITATIVE SYNTHESIS OF 3- [L-PYROGLUTAMYL] -L-TIAZOLIDINE-4-CARBOXYLIC ACID AND ITS DERIVATIVES
专利号:SK-40097-A3
优先权日:1994-09-27
标 题:A process for the quantitative synthesis of 3-(l-pyroglutamyl)-l- -thiazolidine-4-carboxylic acid and derivatives thereof
专利号:CN-108530516-A
优先权日:2018-04-13
标 题 :Synthesis and purification process of high chiral purity pidotimod