Metal carbonyl-promoted reactions of ferrocenylacetylene with sulfur to form thiophene, dithiine, thioketone and vinylthioketone derivatives |
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| Authors: | Pradeep Mathur Amrendra K Singh Vinay K Singh Shaikh M Mobin |
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| Institution: | a Department of Chemistry, Indian Institute of Technology, Bombay 400 076, India
b National Single Crystal X-ray Diffraction Facility, Indian Institute of Technology, Bombay 400 076, India |
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| Abstract: | Photolysis of a hexane solution of ferrocenylacetylene and sulfur powder in presence of Cr(CO)6 resulted in the formation of 2,6-diferrocenyldithiine and 2,5-diferrocenylthiophene. Similar reactions with Mo(CO)6 or W(CO)6 gave only the thiophene derivative. Formation of ferrocenyl-substituted thioketone complexes was observed in the reaction of ferrocenylacetylene with water and sulfur, in presence of W(CO)6. Use of D2O confirmed water as source of protons for the conversion of acetylenic CH to CH3. |
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| Keywords: | Dithiine Thioketone Vinylthioketone Ferrocenylacetylene Photolysis |
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