How is 5-Bromo-1H-pyrrole-3-carbaldehyde (CAS: 881676-32-0) typically synthesized?

5-Bromo-1H-pyrrole-3-carbaldehyde is commonly synthesized through bromination of 1H-pyrrole-3-carbaldehyde. This involves the addition of bromine to the pyrrole ring under alkaline conditions. Commonly used catalysts include sodium hydride, and the reaction typically provides a yield of around 70-80%. The exact conditions can vary depending on the specific methodology.