底物，用于研究铑催化的和二乙烯基酮的还原性羟醛缩合反应，生成顺式ß-hydroxyenones。 6-Bromo-2-pyridinecarboxaldehyde is a pyridine derivative. It participates in the synthesis of meso-substituted trans-A2B2-porphyrin 6-Bromo-2-pyridinecarboxaldehyde may be used in the synthesis of: · 6-([2,2’-bi(1,3-dithiolylidene)]-4-yl)picolinaldehyde · tris(2-pyridylmethyl)amine (Tpy) derivative having Tpy core bearing a 3-formyl-phenyl substituent on one of the three arms · syn- and anti- forms of 4-(6-bromopyridin-2-yl)-3-methyl-3-phenyloxetan-2-one · 6-(2,4,6-triisopropylphenyl)-2-pyridinecarboxaldehyde Substrate used in a study of a rhodium-catalyzed, reductive aldol coupling with divinyl ketones leading to syn ?-hydroxyenones. Useful building block for Tris[(pyridyl)methyl]amine ligands