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412.046652, M2L3+ observed by LRMS11 only-mje 566 (<1% intensity)].Synthesis of Bis(i|6-diphenylmethane)chromium(0) (VI).Chromium metal (0.496 g, 14.0 mmol) was evaporated into diphenylmethane (15.1 g, 89.9 mmol) by using a time-averaged 350 W at an average pressure of 9.3 X 10-6 torr during a period of 1.0 h. After transfer and workup, compound VI [mp 132-133 °C (lit.12 132-135 °C)] was collected by sublimation [140 °C (10™3 torr)].

The '€I and -C NMR signals of cyclohexyl phenyl sulphides, sulphoxides and sulphones were almost completely assigned, and the effects of diastereotopism in cis-4-tert-butylcyclohexyl phenyl sulphoxide were rationalized. Substituent effects on the "0 chemical sbift of numerous sulphoxides and sulphones are discussed. An unusual paramagnetic y gauche effect on the "S nucleus was detected in cis-4-tert-butylcyclohexyl phenyl sulphone.

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