Silver(I) fluoride and related compounds in chemical synthesis
作者:Wieland Tyrra
DOI:10.1002/hc.10102
日期:——
Silver(I) fluoride is a versatile tool in desulfuration-fluorination reactions with thiuram disulfides and thioureas. Reactions of AgF and trimethyl(perfluoroorgano)- and trimethyl(alkynyl)-silanes offer a convenient approach to the corresponding organosilver derivatives, which are excellent reagents for oxidative organylations of group 12–16 elements. Reactions of AgF and elements of groups 13–16
Addition reactions of heterocyclic compounds. Part 74. Products from dimethyl acetylenedicarboxylate with thiourea, thioamide, and guanidine derivatives
作者:R. Morrin Acheson、John D. Wallis
DOI:10.1039/p19810000415
日期:——
in acetonitrile gave a fused thiazolidinone derivative, but in methanol a fused thiazinone was obtained. Structures were assigned to adducts from other thioureas by comparison with the 13C n.m.r. spectra for these compounds. A method has been developed for distinguishing between the possible structural types of adducts for guanidine and amidine derivatives with DMAD using 1H and 13C n.m.r. spectroscopy
将苯并咪唑-2-硫酮与乙炔二甲酸二甲酯(DMAD)在乙腈中混合,得到稠合的噻唑烷酮衍生物,但在甲醇中,得到了稠合的噻嗪酮。通过与这些化合物的13 C nmr光谱比较,将结构分配给其他硫脲的加合物。已开发出一种使用1 H和13 C nmr光谱技术来区分DMAD与胍和am衍生物的加合物可能的结构类型的方法。从各种硫代酰胺和DMAD的产物通过其核磁共振谱和其他光谱进行鉴定。
Thiazolidine derivatives
申请人:Hoechst Aktiengesellschaft
公开号:US04118501A1
公开(公告)日:1978-10-03
4-(Sulfamoyl-phenyl)-4-hydroxy-2-imino-thiazolidine-derivatives having salidiuretic activity and a process for their manufacture.
具有利尿作用的4-(磺酰基苯基)-4-羟基-2-亚氨基噻唑啉衍生物及其制造方法。
6-Epithioethyl-3-oxatricyclo (3.2.1.02.4) octane and process for preparation thereof
申请人:NIPPON OIL CO. LTD.
公开号:EP0452092A2
公开(公告)日:1991-10-16
6-Epithioethyl-3-oxatricyclo [3.2.1.02.4] octane, a novel compound, is prepared by reaction of the corresponding 6-epoxyethyl-3-oxatricyclo [3.2.1.02.4] octane with an ammonium or alkali or alkaline earth metal thiocyanate or a thiourea, and is useful as a monomer for preparation of, e.g., heat resistant plastics and plastics for optical use.