Reactivity of Pyrrole Pigments. Part 5: Electrophilic Substitution - Nitration and Bromination - of Some Pyrromethenones and 5-Arylmethylene-3,4-dimethyl-3-pyrrolin-2-ones

DOI: 10.1007/BF00798807

Source and publish data:

Monatshefte fur Chemie p. 357 - 374 (1984)

Update date:2022-08-05

Topics:

Authors:

Daroca, Agustin

Merce, Ramon

Ribo, Josep M.

Trull, Francesc

Valles, Asuncion

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Article abstract of DOI:10.1007/BF00798807

Some 5-arylmethylene-3,4-dimethyl-3-pyrrolin-2-ones react with both bromine and nitronium tetrafluoroborate (NO2BF4) to give 5-(aryl)nitromethylene-3-pyrrolin-2-ones and 5-(aryl)bromomethylene-3-pyrrolin-2-ones, respectively.The use of bromine in methanol

Full text of DOI:10.1007/BF00798807

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