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compound was prepared as described for Ilia by starting from trans-[(PPh3)2Pt(CNC6H4-p-OMe)Cl]BF4 (482 mg, 0.49 mmol), NaCl (144 mg, 2.47 mmol), and oxirane (4 mL) in 2-chloroethanol (5 mL). After it was stirred for 3 days at room temperature, the reaction mixture was evaporated to dryness, dissolved in CH2C12 (10 mL), and filtered. The filtrate was treated with Et20 (50 mL) to give a white precipitate of the product, which was filtered and dried under vacuum:

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The pulsed laser excitation of iron pentacarbonyl in solutions of 1-pentene photoinitiates a highly active catalytic process for isomerization of the olefin. This process is observed in situ by rapid scanning FTIR spectroscopy, allowing subsecond acquisition of spectra. These are deconvoluted into discrete spectral components which are assigned molecular formulas.