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Site-specific labelling of caged atp with deuterium or 18oxygen

✍ Scribed by John E. T. Corrie; Gordon P. Reid

Publisher
John Wiley and Sons
Year
1995
Tongue
French
Weight
488 KB
Volume
36
Category
Article
ISSN
0022-2135

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✦ Synopsis

Abstract

[3‐D]2‐Nitroacetophenone and [alcohol‐^18^O]‐1‐(2‐nitrophenyl)ethyl alcohol were prepared and used to synthesise labelled P^3^‐l‐(2‐nitrophenyl)ethyl esters of ATP (“caged ATP”) with isotope present either as deuterium on the 3‐position of the nitrosubstituted ring or as ^18^oxygen in the bridging position between the terminal phosphate and the nitrophenylethyl group. The availability of the deuterated compounds enabled complete assignment of their ^1^H NMR spectra.

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A series of puascine dihydrochlorides specifically labelled at the 2 and 3 positions have been prepared by hydrogenation of olefinic and acetylenic pncursors with deuterium of tritium gas. The olefinic precursor was synthesized by a modification of the Dekpine reaction. and the acetylenic compound i