Conclusions
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1.
Processes of formation and photoconversion of radicals of N,N-dimethylformamide and N,N-dimethylacetamide, generated by chlorine atoms or phenyl radicals at 77°K, were investigated.
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2.
The radicals RC(O)N(CH3)CH2 (R=H, CH3) break down under the action of light with λ 365 nm with cleavage of the amide bond, forming radicals HC.O and CH3C.O.
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3.
The radicals O=C.-N(CH3)2 eliminate CO under the action of light with λ ≥ 280 nm, being converted to the radicals N. (CH3)2.
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4.
The processes of photoconversion of radicals established for low-molecular amides coincide with the conversions of macroradicals, responsible for the destruction of the macroradicals of polyproamide.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1054–1061, May, 1973.
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Pariiskii, G.B., Davydov, E.Y. & Toptygin, D.Y. Mechanism of the low-temperature photoconversion of radicals in polycaproamide and low-molecular amides. Russ Chem Bull 22, 1013–1019 (1973). https://doi.org/10.1007/BF00854240
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DOI: https://doi.org/10.1007/BF00854240