Monatshefte fur Chemie p. 1087 - 1096 (1983)
Update date:2022-09-26
Topics:
Ribo, Josep M.
Trull, Francesc R.
5-Arylmethylene-3,4-dimethyl-3-pyrrolin-2-ones on treatment with d1-trifluoroacetic acid (d1-TFA) undergo deuterium substitution at the carbon atom of the methylene bridge.This electrophilic substitution is related to similar deuteration reactions of verdins (bilatrienes-a,b,c).The results obtained can be interpreted by a free energy relationship, assuming that the field effect, becomes negligible by the influence of TFA. - Keywords: Bile pigments; Deuteration; Trifluoroacetic acid; Field effect; FMMF method
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Doi:10.1134/S1070428006060145
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(1983)
