Tetrahedron p. 1517 - 1524 (1981)
Update date:2022-08-03
Topics:
Pichon, R.
Saint, J. Le
Courtot, P.
A syn-anti photoisomerisation of the carbon-nitrogen double bond is responsible for the photochromic properties observed with 2-arylhydrazones of 2-substituted 1,2-diketones.We have determined the multiplicity of the excited state involved in the process and we have shown that, in the thermal back-reaction, syn-anti isomerisation takes place through rotation around the C=N bond rather than through inversion of the nitrogen atom.
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Doi:10.1002/ardp.19813140109
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(2013)
