4-Bromo-2-pyrrolecarboxaldehyde

Catalog Number	ACM931339
CAS	931-33-9
Structure
Synonyms	4-Bromo-1H-pyrrole-2-carboxaldehyde; 4-Bromopyrrole-2-carboxaldehyde;
Molecular Weight	174
Molecular Formula	C₅H₄BrNO
Application	Twenty-one halo- and cyanopyrroles related to the trail pheromone of A. texana, Methyl 4-Methylpyrrole-2-carboxylate [34402-78-3], were prepared and tested by a faster and more sensitive bioassay than was previously available. Methyl 4-Chloropyrrole-2-carboxylate [1194-96-3] and Methyl 4-bromopyrrole-2-carboxylate appeared to be as active as the first one. Responsiveness of the ants in descending order to these compounds based on the constituent in the number two position, was: esters, methyl ketones, aldehydes.
References	Sonnet, P.E., et al.: Environ, Ent., 2, 851 (1973),

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