Synthesis of sulphur-containing heterocycles by ring closing diene metathesis

作者: Susan K Armstrong , Brett A Christie

DOI: 10.1016/S0040-4039(97)82967-X

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摘要: Abstract We have shown that, surprisingly, the Schrock molybdenum alkylidene catalyst 1 can perform ring closing metathesis reactions on substrates containing a sulphide group, converting diallyl 5 to 2,5-dihydrothiophene 6 with >99 % conversion. By contrast, ruthenium 2 , which is generally more tolerant of functional groups in substrate, unreactive towards diallylsulphide. However even proved unable catalyse closure tetrathiafulvalene derivative 7 .

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