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Pyrrole-2-carboxaldehyde is used as a pharmaceutical intermediate. It undergoes condensation reaction to produce pyrrole-2-carboxaldehyde salicylhydrazone (PCSH). It is used as a key starting material for the preparation of pyrrole -2-carboxylic acid by oxidation reaction. It is also used to prepare 4-Difluoro-4-bora-3a,4a-diaza-s-indacene (BODIPY dyes) through condensation with a pyrrole, which is an important probes for biotechnology and other applications.
Rawat, P.; Singh, R. N. Eco-friendly synthesis, spectral and computational study of pyrrole-2-carboxaldehyde salicylhydrazone (PCSH) for its application. J. Mol. Struct. 2015, 1100, 105-115.
Otaibi, A. A.; Gordon, C. P.; Gilbert, J.; Sakoff, J. A.; McCluskey, A. The influence of ionic liquids on the Knoevenagel condensation of 1H-pyrrole-2-carbaldehyde with phenyl acetonitriles - cytotoxic 3-substituted-(1H-pyrrol-2-yl)acrylonitriles. RSC Adv. 2015, 4 (38), 19806-19813.
Hazard Statements: H315-H319-H335
Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves and eye/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.