Další formáty:
BibTeX
LaTeX
RIS
@article{372971, author = {Janča, Michal and Nečas, Marek and Žák, Zdirad and Příhoda, Jiří}, article_location = {Velká Británie}, article_number = {20}, keywords = {four-membered heterocycle; five-membered heterocycle; diazadiphosphetidine; chlorodithiophosphoric acid pyridiniumbetaine}, language = {eng}, issn = {0277-5387}, journal = {Polyhedron}, title = {On the reaction of chlorodithiophosphoric acid pyridiniumbetaine with polyfunctional nucleophiles; Part II. Reaction with thiosemicarbazide derivatives.}, volume = {2001}, year = {2001} }
TY - JOUR ID - 372971 AU - Janča, Michal - Nečas, Marek - Žák, Zdirad - Příhoda, Jiří PY - 2001 TI - On the reaction of chlorodithiophosphoric acid pyridiniumbetaine with polyfunctional nucleophiles; Part II. Reaction with thiosemicarbazide derivatives. JF - Polyhedron VL - 2001 IS - 20 SP - 2823 EP - 2823 SN - 02775387 KW - four-membered heterocycle KW - five-membered heterocycle KW - diazadiphosphetidine KW - chlorodithiophosphoric acid pyridiniumbetaine N2 - Chlorodithiophosphoric acid pyridiniumbetaine, PyPS2Cl (I), reacts with thiosemicarbazide derivatives (RNH)(H2N-Me)CS, R= iso-propyl, tert.-butyl, in acetonitrile in absence of any HCl-acceptor to new compounds with five-membered heterocycle, i.e. 5-iso-propylamino-4-methyl-2-sulfido-2-thioxo-1,3,4,2?5-thiadiazaphospholan-5-onium (II) or 5-tert.-butylamino-4-methyl-2-sulfido-2-thioxo-1,3,4,2?5-thiadiazaphospholan-5-onium (III). The triethylammonium salt of 1,3-bis-(N-methyl-N'-tert.-butyl-thioureido)-2,4-disulfido-2,4-dithioxo-1,3-diaza-2?5,4?5-diphosphetidine (IV) is formed when the reaction is carried out in the presence of triethylamine. The prepared compounds were characterised by 31P-NMR, FT-IR spectroscopies, mass spectrometry, and the molecular structures of II, III, and IV were determined by X-ray crystallography. ER -
JANČA, Michal, Marek NEČAS, Zdirad ŽÁK a Jiří PŘÍHODA. On the reaction of chlorodithiophosphoric acid pyridiniumbetaine with polyfunctional nucleophiles; Part II. Reaction with thiosemicarbazide derivatives. \textit{Polyhedron}. Velká Británie, 2001, roč.~2001, č.~20, s.~2823-2828. ISSN~0277-5387.
|