carbonyl group

American  

noun

1. the bivalent radical CO, occurring in acids, ketones, aldehydes, and their derivatives.

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Example Sentences

However, analogues in which a methyl group is attached next to the carbonyl group were poor substrates.

From Nature

Using X-ray photoelectron spectroscopy and Fourier transform infrared imaging, the team found carbonyl groups at the tail ends of the polymer chains.

From Scientific American

The bundle makes minimal protein contacts between helices, but is stabilized by anchoring to the semi-clathrate water monolayers through backbone carbonyl groups in the protein interior.

From Science Magazine

By transformations of the carbonyl group, and at the same time of the hydroxyl group, many interesting types of nitrogen compounds may be correlated.

From Project Gutenberg

The average value for the carboxyl group is 119.75 calories, i.e. it is equal to the sum of the thermal effects of the aldehyde and carbonyl groups.

From Project Gutenberg