Conclusions
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1.
(Pyridylamino)dialkylboranesadd to the carbonyl group of aldehydes or ketones to form boron chelates, dialkylboryl-[2-(α-hydroxyalkyl) aminopyridinates].
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2.
Reaction of 2-aminopyridine, aldehydes (ketones), and diphenylborinic esters gives diphenylboryl-[2-(α-hydroxyalkyl) aminopyridinates].
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3.
We have synthesized a coordination compound of boron, dibutylboryl-[2-(carboxyamino)pyridinate], by reaction of (2-pyridylamino)dibutylborane with CO2.
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4.
The primary step in the electron-impact fragmentation of the synthetic chelates is loss from the molecular ion of the alkyl (aryl) group attached to boron.
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For part 329 see [1].
Translated from Izvestiya Akademiya Nauk SSSR, Seriya Khimicheskaya, No. 7, pp. 1587–1593, July, 1977.
We thank L. I. Lavrinovich for assistance with the experiment.
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Dorokhov, V.A., Zolotarev, B.M., Chizhov, O.S. et al. Organoboron compounds 330. Cyclic coordination compounds of boron from 2-aminopyridine and carbonyl compounds. Russ Chem Bull 26, 1458–1463 (1977). https://doi.org/10.1007/BF00928528
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DOI: https://doi.org/10.1007/BF00928528