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1)  5-arylmethylidene-2-thio-4-thiazolidinone
5-芳亚甲基-2-硫代-4-噻唑酮
1.
A series of 5-arylmethylidene-2-thio-4-thiazolidinones were synthesized by the condensation reaction of aromatic aldehydes with 2-thio-4-thiazolidinone in a boiling water bath for 30~75 min with alkaline ionic liquids bmimOH as dual solvent and catalyst in yields from 89% to 96% and identified by 1H NMR and IR spectra.
以碱性离子液体[bmim]OH为溶剂和催化剂,由芳香醛与2-硫代-4-噻唑酮在沸水浴中反应30~75min,以89%~96%的产率制备了5-芳亚甲基-2-硫代-4-噻唑酮
2)  Aryl 5 benzoyl 2 thioxo 4 thiazolinone
3-芳基-5-苯甲酰基-2-硫代-4-噻唑啉酮
3)  5-[4-(dimethylamino)phenyl]methylene-2-thioxo-4-Thiazolidinone
5-[4-(二甲基氨基)苯基]亚甲基-2-硫代-4-噻唑烷酮
4)  3-phenyl-5-benzoyl-2-thioxo-4-thiazolinone
3-苯基-5-苯甲酰基-2-硫代-4-噻唑啉酮
5)  5-(1-methyl-2(1H)-pyridinylidene)-3-(2-propenyl)-2-thioxo-4-Thiazolidinone
5-(1-甲基-2(1H)-吡啶亚基)-3-(2-丙烯基)-2-硫代-4-噻唑烷酮
6)  5-arylmethylidene-4-oxo-2-thiothiazolidine
5-芳亚甲基-2,4-噻唑二酮
1.
The mixed solvent of ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate and water has efficiently promoted the synthesis of a variety of 5-arylmethylidene-4-oxo-2-thiothiazolidines from the cor- responding aromatic aldehydes and rhodanine at room temperature in 80%~93% yields within 10 to 120 min.
在室温条件下,离子液体1-正丁基-3-甲基咪唑四氟硼酸盐([bmim]BF4)与水组成的混合溶剂能有效催化一系列芳醛与罗丹宁反应,以80%~93%的产率生成相应的5-芳亚甲基-2,4-噻唑二酮。
补充资料:噻唑(thiazole)
【噻唑】(thiazole)学名“1,3-硫氮杂茂”。一种含硫、氮的五元杂环化合物。分子式`C_3H_3NS`,分子量85.12。它的衍生物广泛存在于自然界中(如维生素`B_1`)。无色或淡黄色液体。具有吡啶相似气味。易挥发、吸湿。比重1.1998(17/4℃)。沸点116.8℃。与水互溶,溶于多种有机溶剂。呈弱碱性(`pK_b=11.5`)。它的苦味酸盐熔点159-160℃(分解)。化学性质较为稳定,不易被还原及与热硝酸反应。能与溴、发烟硫酸
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