Photogenerated reagents for membrane labeling. 2. Phenylcarbene and adamantylidene formed within the lipid bilayer.
Phenylcarbene and adamantylidene have been generated photochemically from the corresponding diazirines within lipid bilayers. Reasonable yields of labeled fatty acid side chains have been observed. The products have been characterized by gas chromatography-mass spectrometry and derive both from the insertion of the carbene into carbon-hydrogen bonds of saturated fatty acids and from the addition of the carbene to the carbon-carbon double bonds of unsaturated fatty acids. In contrast to the r...Expand abstract
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