ketal


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ketal

[′kē‚tal]
(organic chemistry)
Former term for the =CO group, as in dimethyl ketal (acetone).
Any of the ketone acetates from condensation of alkyl orthoformates with ketones in the presence of alcohols.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Dorf Ketal Chemicals India Private Limited, a global leader in specialty chemicals, has started production of mph and milEx patented fuel detergents in a new technically advanced manufacturing plant within its Mundra facility in India.
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Generally, methyl branched ketones and alcohols are used as pheromone components by weevils of the subfamily Rhynchophorinae, with the exception of Cosmopolitessordidus (Germar), which uses a bicyclic ketal as pheromone (Beauhaire et al.
Evidence for male-produced aggregation pheromone in Sphenophorus incurrens (Coleoptera: Curculionidae)
Chaturvedi H Ketal reported in their study from rural India, the mean age for starting tobacco use was 17.2 years.
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Beelen R, Stafoggia M, Raaschou-Nielsen O, Andersen ZJ, Xun WW, Katsouyanni Ketal. 2014b.
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[sup.13]C NMR (CD3OD, 100 MHz) spectrum of 1 exhibited ketal resonance at SC 100.0, and the [sup.1]H NMR (C[D.sub.3] OD, 400 MHz) spectrum yielded AB system protons at [[delta].sub.H] 3.31 (1H, d, 3.4 Hz) and 4.17 (1H, d, 3.4 Hz), which indicates the presence of an A-type double-linked structure [16].
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