Chemical Reactions in Solution: The New Photochemistry
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چکیده
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mesuring the staff technology readiness, the case of a multi national chemical company operating in iran
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15 صفحه اولVisualizing chemical reactions in solution by picosecond x-ray diffraction.
We present a time-resolved x-ray diffraction study to monitor the recombination of laser-dissociated iodine molecules dissolved in CCl4. The change in structure of iodine is followed during the whole recombination process. The deexcitation of solute molecules produces a heating of the solvent and induces tiny changes in its structure. The variations in the distance between pairs of chlorine ato...
متن کاملPhotochemistry of Linearly Conjugated Cyclohexadienones in Solution'
Objects of study: The cyclohexa-2,4-dienones 1, II and 111. Special methods of examination Low temperature spectroscopy and Mauser diagrams. Main results of investigation: Cyclo/seco isomeri7ation of a it*,nexcited reactant to a transient dienylketene, able to recyclize and/or to add a protic nucleophile, furnishes derivatives of a substituted hexadienoic acid in high yield. Alternatively, a cy...
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ion from the solvent by the excited cyclocamphanone to give (XXV), cleavage of the cyclopropane ring to give (XXXVI), and hydrogen atom transfer and ketonization. This postulated route for the isomerization of cyclocamphanone to (XXXIV) is based on the proposal by Srinivasan for the route of isomerization of camphor to the ketone (XIV)'°. The photolysis of (XXXIV) to give (XVI) finds close anal...
متن کاملOn New Chemical Reactions of Polymers
INTRODUCTION Three major areas of work present themselves to a chemist who is concerned with polymer materials namely: synthesis and degradation of polymers; structure analysis of natural and synthetic polymers; and chemical transformations of polymers. Although these three fields are very closely related,. I wish to concern myself only with the last of them. Reactions with natural or synthetic...
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ژورنال
عنوان ژورنال: Laser Chemistry
سال: 1983
ISSN: 0278-6273,1476-3516
DOI: 10.1155/lc.3.163