Thiophene, 2,5-dihydro-3-methyl 1-dioxide

ISOPRENE CYCLIC SULFONE (Thiophene, 2,5-dihydro-3-methyl-, 1-dioxide)... [Pg.59]

The mass spectra of 2-phenyl-, 3-phenyl-, and 3-methyl-2-phenyl-benzo[6]thiophene have been discussed, and tentative structural assignments of the main fragment ions have been made.121 The mass spectra of benzo[6]thiophene-l, 1-dioxide and its 2,3-dihydro derivative have been examined in detail.121> 127 The partial mass spectrum of 2,3-dihydrobenzo[6]thiophene has been recorded.124... [Pg.191]

C5H802S 2,5-dihydro-3-methyl-thiophene 1,1-dioxide 1193-10-8 25.00 1.1370 2 5416 C5H10N2O2 2,3-pentanedione dioxime 4775-86-4 25.00 1.1011 2... [Pg.217]

Methyl-2,5-dihydro-thiophen-l,l-dioxid laBt sich in waBrig, alkalischem Medium photochemisch zu 3-Mcthyl-4,5-dihydro-thiophen-l,l-dioxid umlagem6 ... [Pg.215]

The crystal structure of tra j -2,5-dibromo-7-thiabicyclo[4,2,0]oct-l(6)-ene 7,7-dioxide indicates that the cyclohexene ring is in a half-chair conformation. Methyl 2if-benzothiet-2-carboxylate (57) has been prepared by photolysis of 3-diazo-2-oxo-2,3-dihydro-benzo[6]thiophen it is thermally stable and does not undergo valence tautomerism. ... [Pg.207]

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