27895-87-0Relevant academic research and scientific papers
A novel reaction of 2,4,6-triphenyl(thio)selenopyrylium salts leading to benzoyl(thio)selenophenes and 2,4,6-triphenyl(thio)selenopyrans
Drevko,Bol'Shakova,Almaeva,Suchkov,Mandych,Shekhter
experimental part, p. 1526 - 1527 (2011/01/06)
Thio- and selenopyrylium salts undergo simultaneous oxidation, leading to the corresponding benzoylselenophene or benzoylthiophene, and reduction reactions leading to 4H-selenopyran or 4H-thiopyran In the presence of water and triethylamine .
Facile synthesis of 2-aroyl-3,5-diarylthiophene
Wang, Jin-Xian,Shi, Xiaoning,Men, Xiuqin,Zhao, Lianbiao
, p. 2849 - 2856 (2007/10/03)
2-Aroyl-3,5-diarylthiophenes were prepared in very good yields by reaction of 2,4,6-triarylpyrylium salts or 2,4,6-triarylthiopyrylium salts with an aqeous solution of sodium sulfide and iodine at room temperature.
Palladium-catalyzed multiple arylation of thiophenes
Okazawa, Toru,Satoh, Tetsuya,Miura, Masahiro,Nomura, Masakatsu
, p. 5286 - 5287 (2007/10/03)
Secondary 2-thiophenecarboxamides efficiently undergo unique triarylation accompanied by formal decarbamoylation under palladium catalysis. 3-Substituted thiophenes, especially having an electron-withdrawing group, can also be triarylated. Copyright
Oxidation reactions of 4H-chalcogenopyrans
Drevko,Smushkin,Kharchenko
, p. 777 - 780 (2007/10/03)
We have studied the oxidation of 4H-chalcogenopyrans and chalcogenopyrylium salts by lead tetraacetate. We have established that the major reaction products on oxidation of 2,6-diphenyl-4H-thiopyran and selenopyran are 2,6-diphenyl-4H-thio(seleno)pyran-4-
Oxidation of 4H-Pyran, 4H-Thiopyran, and 4H-Selenopyran with Lead Tetraacetate
Drevko, B. I.,Smushkin, M. I.,Kharchenko, V. G.
, p. 1298 - 1299 (2007/10/03)
Oxidation of 2,4,6-triphenyl-4H-pyran, 2,4,6-triphenyl-4H-thiopyran, and 2,4,6-triphenyl-4H-selenopyran with lead tetraacetate yields, respectively, 2-benzoyl-3,5-diphenylfuran, 2-benzoyl-3,5-diphenylthiophene, and 2-benzoyl-3,5-diphenylselenophene.
OXIDATION OF 2,4,6-TRIARYL-4H-THIO(SELENO)PYRANS WITH SELENIUM DIOXIDE
Drevko, B. I.,Fomenko, L. Al,Kharchenko, V. G.
, p. 632 - 634 (2007/10/02)
The oxidation of 2,4,6-triaryl-4H-thio(seleno)pyrans with selenium oxide in pyridine was studied.It is shown that the corresponding 2,4-diaryl-5-aroylthiophenes and -selenophenes are formed as a result of the oxidation.
