Shanazarov, K. S. published the artcilePreparation of esters of pelvirinic acid [3,5-diiodo-4-oxo-1(4H)-pyridineacetic acid], Application In Synthesis of 101-29-1, the publication is Khimiko-Farmatsevticheskii Zhurnal (1968), 2(4), 40-2, database is CAplus.
Esterification of 3,5-diiodo-4-oxo-1(4H)-pyridineacetic acid (I) was accomplished in the presence of KU 2 catalyst. The following esters were prepared (% yield and m.p. given): Pr, 94.8, 188-9°; iso-Pr, 91.2, 214-15°; and Bu, 87, 194°.
Khimiko-Farmatsevticheskii Zhurnal published new progress about 101-29-1. 101-29-1 belongs to iodides-buliding-blocks, auxiliary class Pyridine,Iodide,Carboxylic acid,Ketone, name is 2-(3,5-Diiodo-4-oxopyridin-1(4H)-yl)acetic acid, and the molecular formula is C14H20BNO4, Application In Synthesis of 101-29-1.
Referemce:
https://en.wikipedia.org/wiki/Iodide,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com